Mit.Edu - Info 
mit.edu receives about 4,672,336 unique visitors and 21,025,513 (4.50 per visitor) page views per day which should earn about $137,248.45/day from advertising revenue. Estimated site value is $100,191,807.75. According to Alexa Traffic Rank mit.edu is ranked number 425 in the world and 0.103% of global Internet users visit it. Site is hosted in Cambridge, MA, 02142, United States and links to network IP address 184.30.185.198. This server supports HTTPS and doesn't support HTTP/2.
About - mit.edu
Admissions information, events calendar, visitor's information and news items.The mission of MIT is to advance knowledge and educate students in science, technology and other areas of scholarship that will best serve the nation and the world in the 21st century. Edit Site Info
Technologies used on Website
mit.edu Profile
Title: MIT - Massachusetts Institute of Technology
Description: Admissions information, events calendar, visitor's information and news items.
Keywords: Massachusetts Institute of Technology, MIT
Description: Admissions information, events calendar, visitor's information and news items.
Keywords: Massachusetts Institute of Technology, MIT
Last update was 120 days ago
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*HypeStat.com is not linking to, promoting or affiliated with mit.edu in any way. Only publicly available statistics data are displayed.
How popular is mit.edu?
4.7M daily visitors
Is this your site?
Verify your site's metrics.
Verify your site's metrics.
- Daily Unique Visitors:
- 4,672,336
- Monthly Unique Visitors:
- 112,136,064
- Pages per Visit:
- 4.50
- Daily Pageviews:
- 21,025,513
- Alexa Rank:
- 425 visit alexa
- Alexa Reach:
- 0.103% (of global internet users)
- Avg. visit duration:
- 08:00
- Bounce rate:
- 44.14%
Traffic sources
- Direct:
- 39.55%
- Referral:
- 3.93%
- Search:
- 49.00%
- Social:
- 3.62%
- Paid:
- 0.06%
Visitors by country
- Users%Pageviews%Rank
- United States 36.1%41.5%235
- India 9.8%7.2%567
- United Kingdom 7.7%11.1%98
- Japan 2.9%2.0%1816
- Canada 2.5%2.7%410
- Spain 2.1%3.2%360
- France 1.9%1.3%804
- Korea, Republic of 1.8%2.1%670
- Germany 1.8%1.7%968
- Mexico 1.5%1.2%791
- Nigeria 1.4%0.6%449
- Italy 1.4%1.0%800
- Australia 1.3%1.1%580
- Pakistan 1.2%1.0%519
- Turkey 1.2%1.1%858
- Brazil 1.0%0.5%3115
- Egypt 0.9%0.7%871
- Russian Federation 0.9%0.9%2638
- Iran 0.9%0.6%2336
- China 0.8%0.8%6160
- Saudi Arabia 0.8%0.7%757
- Romania 0.7%0.5%413
- Thailand 0.7%0.6%656
- Sudan 0.7%1.0%272
- Hong Kong 0.6%0.8%590
- Indonesia 0.6%0.4%1528
- Greece 0.6%0.9%974
- Switzerland 0.5%0.3%880
- Taiwan 0.5%0.4%1564
- Ireland 0.5%1.8%174
- Netherlands 0.5%0.4%823
- Ethiopia 0.5%0.3%195
Where do visitors go on this site?
- Reach%Pageviews%PerUser
- scratch.mit.edu
- 45.60%67.61%6.01
- ocw.mit.edu
- 10.03%7.90%3.2
- web.mit.edu
- 7.65%2.33%1.2
- appinventor.mit.edu
- 5.94%4.16%2.8
- mit.edu
- 3.15%1.14%1.5
- csail.mit.edu
- 2.53%1.23%2.0
- news.mit.edu
- 2.37%0.73%1.2
- sloanreview.mit.edu
- 1.82%0.78%1.7
- mitpress.mit.edu
- 1.79%0.77%1.7
- shakespeare.mit.edu
- 1.54%0.54%1.4
- mitsloan.mit.edu
- 1.32%0.89%2.8
- math.mit.edu
- 1.18%0.60%2.1
- dspace.mit.edu
- 0.98%0.43%1.8
- media.mit.edu
- 0.95%0.49%2.1
- executive.mit.edu
- 0.74%0.68%3.8
- idp.mit.edu
- 0.69%0.43%2.5
- executive-education-online.mit.edu
- 0.60%0.15%1.0
- executive-education.mit.edu
- 0.55%0.15%1
- exchange.mit.edu
- 0.54%0.23%1.7
- economics.mit.edu
- 0.50%0.21%1.7
- gradadmissions.mit.edu
- 0.48%0.23%1.9
- classics.mit.edu
- 0.45%0.19%1.7
- kb.mit.edu
- 0.44%0.12%1.1
- gradapply.mit.edu
- 0.42%0.25%2.4
- stuff.mit.edu
- 0.41%0.12%1.2
- deeplearning.mit.edu
- 0.37%0.09%1
- scripts.mit.edu
- 0.35%0.14%1.6
- my.mit.edu
- 0.32%0.11%1.4
- solve.mit.edu
- 0.31%0.34%4.4
- applymitsloan.mit.edu
- 0.30%0.23%3.1
- bootcamp.mit.edu
- 0.29%0.10%1.4
- engineering.mit.edu
- 0.29%0.11%1.5
- programasprofesionales.mit.edu
- 0.27%0.07%1
- abaqus-docs.mit.edu
- 0.27%0.14%2
- livingwage.mit.edu
- 0.27%0.11%1.6
- wi.mit.edu
- 0.26%0.13%2
- cba.mit.edu
- 0.26%0.11%2
- professional.mit.edu
- 0.26%0.16%2.5
- learn-xpro.mit.edu
- 0.26%0.07%1
- micromasters.mit.edu
- 0.24%0.10%1.6
- ist.mit.edu
- 0.24%0.12%2.0
- executive-ed.mit.edu
- 0.23%0.06%1
- student.mit.edu
- 0.23%0.15%2.6
- learning-modules.mit.edu
- 0.23%0.20%3
- catalog.mit.edu
- 0.22%0.14%2.6
- architecture.mit.edu
- 0.22%0.14%2.5
- registrar.mit.edu
- 0.21%0.09%1.7
- ll.mit.edu
- 0.19%0.07%2
- professionalprograms.mit.edu
- 0.19%0.07%1
- professionalonline1.mit.edu
- 0.19%0.06%1
- stellar.mit.edu
- 0.18%0.12%2.7
- eecs.mit.edu
- 0.17%0.10%2
- openlearning.mit.edu
- 0.17%0.14%3
- alum.mit.edu
- 0.16%0.08%2.0
- energy.mit.edu
- 0.16%0.08%2
- www-math.mit.edu
- 0.15%0.07%2
- xpro.mit.edu
- 0.09%0.05%2
- dusp.mit.edu
- 0.08%0.06%3
- registration.mit.edu
- 0.08%0.06%3
- OTHER
- 0%3.83%0
Competitive Data
- Domain:
- mit.edu
- Rank:
(Rank based on keywords, cost and organic traffic) - 367
- Organic Keywords:
(Number of keywords in top 20 Google SERP) - 4,167,860
- Organic Traffic:
(Number of visitors coming from top 20 search results) - 6,782,526
- Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords) - $9,273,179.00
- Adwords Keywords:
(Keywords a website is buying in Google AdWords for ads that appear in paid search results) - 8,830
- Adwords Traffic:
(Number of visitors brought to the website via paid search results) - 282,205
- Adwords Cost:
(Estimated budget spent for buying keywords in Google AdWords for ads that appear in paid search results - monthly estimation) - $522,798.00
Backlinks Report
- Total Sites Linking In (Alexa):
- 86,004
- Total Backlinks:
- 305,482
- Follow Links:
- 272,373
- Nofollow Links:
- 33,108
- Referring Domains:
- 6,997
- Referring IPs:
- 8,727
- Authority Domain Score:
- 67
Backlinks by country
- Domains
- United States 5,987
- Germany 755
- France 210
- United Kingdom 174
- Canada 159
Backlinks by TLDs
- TLD Distribution
- Domains
- .com
- 3,351
- .org
- 1,024
- .net
- 382
- .edu
- 223
- .gov
- 16
+ Moz Data
- Domain Authority:
- n/a
- Page Authority:
- n/a
- MozRank:
- n/a
+ Ad Experience Report
Summary of the ad experience rating of a site for a specific platform.
Desktop summary
- Root domain:
- mit.edu
- Last Change Time:
(The last time that the site changed status.) - 2020-01-23 19:26:11
- Region:
(The Ad Standard region to which this site has been assigned.) - Pending
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Passing
Mobile summary
- Last Change Time:
(The last time that the site changed status.) - 2020-01-23 19:26:11
- Region:
(The Ad Standard region to which this site has been assigned.) - Pending
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Passing
+ Abusive Experience Report
- Root domain:
- mit.edu
- Last Change Time:
(The last time that the site changed status.) - 2020-01-23 19:26:11
- Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.) - Off
- Status:
(The status of the site reviewed for the abusive experiences.) - Passing
+ How much mit.edu can earn?
- Daily Revenue:
- $137,248.45
- Monthly Revenue:
- $4,117,453.50
- Yearly Revenue:
- $50,095,684.25
Daily earning by country
- PageviewsEarning
- United States 8,725,588$100,082.49
- United Kingdom 2,333,832$14,539.77
- Canada 567,689$3,979.50
- India 1,513,837$2,422.14
- Ireland 378,459$1,877.16
- Australia 231,281$1,741.54
- Germany 357,434$1,726.40
- Japan 420,510$1,345.63
- France 273,332$1,284.66
- Korea, Republic of 441,536$1,024.36
- Spain 672,816$746.83
- Italy 210,255$733.79
- Hong Kong 168,204$580.30
- Ethiopia 63,077$520.38
- China 168,204$519.75
- Netherlands 84,102$428.08
- Russian Federation 189,230$384.14
- Switzerland 63,077$382.87
- Greece 189,230$340.61
- Nigeria 126,153$330.52
- Thailand 126,153$315.38
- Saudi Arabia 147,179$297.30
- Turkey 231,281$252.10
- Mexico 252,306$244.74
- Pakistan 210,255$222.87
- Brazil 105,128$186.08
- Taiwan 84,102$159.79
- Iran 126,153$146.34
- Romania 105,128$124.05
- Egypt 147,179$119.21
- Indonesia 84,102$103.45
- Sudan 210,255$86.20
How much money do mit.edu lose due to Adblock?
- Daily Revenue Loss:
- $24,871.06
- Monthly Revenue Loss:
- $746,131.88
- Yearly Revenue Loss:
- $9,077,937.82
- Daily Pageviews Blocked:
- 3,451,548
- Monthly Pageviews Blocked:
- 103,546,446
- Yearly Pageviews Blocked:
- 1,259,815,098
Daily revenue loss by country
- BlockedLost Money
- United States 1,570,606$18,014.85
- United Kingdom 373,413$2,326.36
- Canada 141,922$994.87
- Ireland 147,599$732.09
- India 423,874$678.20
- Germany 103,656$500.66
- Australia 46,256$348.31
- Spain 127,835$141.90
- France 30,066$141.31
- Greece 73,800$132.84
- Italy 35,743$124.74
- Netherlands 14,297$72.77
- Pakistan 67,282$71.32
- Switzerland 11,354$68.92
- China 21,867$67.57
- Saudi Arabia 30,908$62.43
- Indonesia 48,779$60.00
- Hong Kong 16,820$58.03
- Korea, Republic of 17,661$40.97
- Japan 12,615$40.37
- Romania 22,077$26.05
- Taiwan 13,456$25.57
- Iran 20,184$23.41
- Russian Federation 11,354$23.05
- Mexico 22,708$22.03
- Thailand 7,569$18.92
- Turkey 16,190$17.65
- Brazil 6,308$11.16
- Ethiopia 1,262$10.41
- Nigeria 2,523$6.61
- Egypt 7,359$5.96
- Sudan 4,205$1.72
How much is mit.edu worth?
- Website Value:
- $100,191,807.75
+ Where is mit.edu hosted?
- Server IP:
- 184.30.185.198
- ASN:
- AS16625
- ISP:
- Akamai Technologies, Inc.
- Server Location:
- Cambridge
MA
02142
United States, US
Other sites hosted on 184.30.185.198
There are no other sites hosted on this IP+ How fast does mit.edu load?
- Average Load Time:
- (1556 ms) 58 % of sites are slower
Page Speed (Google PageSpeed Insights) - Desktop
Field Data
Over the last 30 days, the field data shows that this page has a AVERAGE speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
First Contentful Paint (FCP)1.5s
First Input Delay (FID)17ms
Origin Data
All pages served from this origin have an AVERAGE speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
First Contentful Paint (FCP)1.0s
First Input Delay (FID)8ms
Lab Data
First Meaningful Paint 0.7 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
Max Potential First Input Delay 140 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
Time to Interactive 1.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.
Total Blocking Time 40 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Speed Index 0.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 1.3 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First Contentful Paint 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Performance budget
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
Screenshot Thumbnails
This is what the load of your site looked like.
Keep request counts low and transfer sizes small - 24 requests • 528 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.
- Resource Type
- RequestsTransfer Size
- Total
- 24528 KB
- Script
- 7392 KB
- Font
- 378 KB
- Stylesheet
- 127 KB
- Image
- 518 KB
- Document
- 18 KB
- Other
- 76 KB
- Media
- 00 KB
- Third-party
- 968 KB
Eliminate render-blocking resources - Potential savings of 30 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB150
Enable text compression - Potential savings of 218 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 312 KB210 KB
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 5 KB3 KB
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 6 KB3 KB
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 3 KB2 KB
Network Requests
Lists the network requests that were made during page load.
Lists the network requests that were made during page load.
- URL
- Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
- http://mit.edu/
- 0 ms29 ms0 KB0 KB302
- http://web.mit.edu/
- 29 ms78 ms8 KB33 KB200text/htmlDocument
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 88 ms133 ms27 KB218 KB200text/cssStylesheet
- https://www.googletagmanager.com/gtag/js?id=UA-113637181-1
- 89 ms96 ms29 KB75 KB200application/javascriptScript
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 89 ms162 ms17 KB17 KB200image/jpegImage
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 101 ms153 ms6 KB6 KB200application/javascriptScript
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 160 ms210 ms313 KB312 KB200application/javascriptScript
- https://www.google-analytics.com/analytics.js
- 160 ms165 ms18 KB44 KB200text/javascriptScript
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 195 ms223 ms26 KB26 KB200application/octet-streamFont
- data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMAAAADACAYAAABS3GwHAAAAAXNSR0IArs4c6QAABqVJREFUeNrt3c
- 203 ms203 ms0 KB2 KB200image/pngImage
- data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAJwCAYAAABI9AvEAAACkklEQVRIS1XHdxQIZBiFcTtCkmRHqS
- 204 ms204 ms0 KB1 KB200image/pngImage
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 210 ms241 ms26 KB26 KB200application/octet-streamFont
- https://www.google-analytics.com/r/collect?v=1&_v=j80&aip=1&a=271539687&t=pageview&_s=1&dl=http%3A%2F%2Fweb.mit.edu%2F&ul=en-us&de=UTF-8&dt=MIT%20-%20Massachusetts%20Institute%20of%20Technology&sd=24-bit&sr=800x600&vp=1350x940&je=0&_u=oGBAAUAB~&jid=893316026&gjid=1507303673&cid=449722387.1580840878&tid=UA-1592615-11&_gid=2037882952.1580840878&_r=1>m=2ou1m0&z=1878267096
- 312 ms317 ms1 KB0 KB200image/gifImage
- https://www.google-analytics.com/r/collect?v=1&_v=j80&aip=1&a=271539687&t=pageview&_s=1&dl=http%3A%2F%2Fweb.mit.edu%2F&ul=en-us&de=UTF-8&dt=MIT%20-%20Massachusetts%20Institute%20of%20Technology&sd=24-bit&sr=800x600&vp=1350x940&je=0&_u=oGDAAUAB~&jid=1214111305&gjid=458240789&cid=449722387.1580840878&tid=UA-1592615-30&_gid=2037882952.1580840878&_r=1>m=2ou1m0&z=2080750633
- 312 ms461 ms1 KB0 KB302text/html
- http://web.mit.edu/spotlights-export/suggested-links/?_format=json
- 442 ms468 ms1 KB1 KB200text/htmlXHR
- http://web.mit.edu/spotlights-export/attract-loop/?_format=json
- 443 ms798 ms2 KB3 KB200text/htmlXHR
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 445 ms481 ms5 KB5 KB200application/javascriptScript
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 446 ms472 ms3 KB3 KB200application/javascriptScript
- https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-1592615-30&cid=449722387.1580840878&jid=1214111305&_gid=2037882952.1580840878&gjid=458240789&_v=j80&z=2080750633
- 461 ms481 ms1 KB0 KB200image/gifImage
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Bold.woff2
- 489 ms792 ms26 KB26 KB200application/octet-streamFont
- http://web.mit.edu/spotlights-export/announcements/?_format=json
- 518 ms552 ms0 KB0 KB200text/htmlXHR
- http://web.mit.edu/spotlights-export/recent/?_format=json
- 557 ms605 ms1 KB2 KB200text/htmlXHR
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840878130
- 797 ms915 ms18 KB70 KB200application/javascriptScript
- https://siteintercept.qualtrics.com/WRSiteInterceptEngine/Targeting.php?Q_InterceptID=SI_etUj4JHBLwq9fIV&Q_CLIENTVERSION=1.19.0&Q_CLIENTTYPE=web
- 927 ms1082 ms1 KB1 KB200application/jsonXHR
Serve static assets with an efficient cache policy - 11 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.
A long cache lifetime can speed up repeat visits to your page. Learn more.
- URL
- Cache TTLSize
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 0 ms313 KB
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 0 ms27 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Bold.woff2
- 0 ms26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 0 ms26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 0 ms26 KB
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 0 ms17 KB
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 0 ms6 KB
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 0 ms5 KB
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 0 ms3 KB
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840878130
- 60000 ms18 KB
- https://www.google-analytics.com/analytics.js
- 7200000 ms18 KB
Minimize third-party usage - Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.
- Third-Party
- SizeMain-Thread Blocking Time
- 29 KB0 ms
- 20 KB0 ms
- 19 KB0 ms
- 1 KB0 ms
Tasks
Lists the toplevel main thread tasks that executed during page load.
Lists the toplevel main thread tasks that executed during page load.
- Start Time
- End Time
- 99 ms
- 6 ms
- 154 ms
- 11 ms
- 165 ms
- 31 ms
- 197 ms
- 71 ms
- 271 ms
- 12 ms
- 284 ms
- 10 ms
- 295 ms
- 38 ms
- 334 ms
- 139 ms
- 473 ms
- 6 ms
- 489 ms
- 9 ms
- 499 ms
- 32 ms
- 533 ms
- 6 ms
- 539 ms
- 22 ms
- 561 ms
- 16 ms
- 577 ms
- 8 ms
- 625 ms
- 18 ms
- 643 ms
- 11 ms
- 813 ms
- 26 ms
- 841 ms
- 6 ms
- 938 ms
- 9 ms
- 1105 ms
- 21 ms
Ensure text remains visible during webfont load
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.
Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.
- URL
- Potential Savings
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 28 ms
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 31 ms
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Bold.woff2
- 303 ms
JavaScript execution time - 0.2 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.
- URL
- Total CPU TimeScript EvaluationScript Parse
- Other
- 348 ms27 ms1 ms
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 136 ms126 ms5 ms
Remove unused CSS - Potential savings of 23 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB23 KB
Avoids enormous network payloads - Total size was 528 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.
Large network payloads cost users real money and are highly correlated with long load times. Learn more.
- URL
- Size
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 313 KB
- https://www.googletagmanager.com/gtag/js?id=UA-113637181-1
- 29 KB
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Bold.woff2
- 26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 26 KB
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840878130
- 18 KB
- https://www.google-analytics.com/analytics.js
- 18 KB
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 17 KB
- http://web.mit.edu/
- 8 KB
Minimizes main-thread work - 0.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.
- Category
- Time Spent
- Script Evaluation
- 255 ms
- Style & Layout
- 168 ms
- Other
- 75 ms
- Rendering
- 52 ms
- Parse HTML & CSS
- 30 ms
- Script Parsing & Compilation
- 13 ms
- Garbage Collection
- 4 ms
Avoids an excessive DOM size - 353 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). Learn more.
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow). Learn more.
- Statistic
- ElementValue
- Total DOM Elements
- 353
- Maximum DOM Depth
- 14
- Maximum Child Elements
- 11
Avoid multiple page redirects - Potential savings of 190 ms
Redirects introduce additional delays before the page can be loaded. Learn more.
Redirects introduce additional delays before the page can be loaded. Learn more.
- URL
- Time Spent
- (Initial: http://mit.edu/)
- 0
- http://web.mit.edu/
- 190
Page Speed (Google PageSpeed Insights) - Mobile
Field Data
Over the last 30 days, the field data shows that this page has a AVERAGE speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.
First Contentful Paint (FCP)1.7s
First Input Delay (FID)46ms
Origin Data
All pages served from this origin have an AVERAGE speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.
First Contentful Paint (FCP)1.5s
First Input Delay (FID)300ms
Lab Data
Performance budget
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
First Meaningful Paint 2.5 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
Max Potential First Input Delay 590 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task. Learn more.
Time to Interactive 6.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time 510 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
First Contentful Paint (3G) 4746 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more.
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more.
Estimated Input Latency 120 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy. Learn more.
Speed Index 2.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 5.5 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. Learn more.
First Contentful Paint 2.3 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Screenshot Thumbnails
This is what the load of your site looked like.
- URL
- Time Spent
- (Initial: http://mit.edu/)
- 0
- http://web.mit.edu/
- 630
- Resource Type
- RequestsTransfer Size
- Total
- 27504 KB
- Script
- 7392 KB
- Font
- 252 KB
- Stylesheet
- 127 KB
- Image
- 719 KB
- Document
- 18 KB
- Other
- 97 KB
- Media
- 00 KB
- Third-party
- 1370 KB
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB480
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 312 KB210 KB
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 5 KB3 KB
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 6 KB3 KB
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 3 KB2 KB
- URL
- Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
- http://mit.edu/
- 0 ms33 ms0 KB0 KB302
- http://web.mit.edu/
- 33 ms99 ms8 KB33 KB200text/htmlDocument
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 113 ms218 ms27 KB218 KB200text/cssStylesheet
- https://www.googletagmanager.com/gtag/js?id=UA-113637181-1
- 114 ms123 ms29 KB75 KB200application/javascriptScript
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 114 ms195 ms17 KB17 KB200image/jpegImage
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 129 ms241 ms6 KB6 KB200application/javascriptScript
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 197 ms342 ms313 KB312 KB200application/javascriptScript
- https://www.google-analytics.com/analytics.js
- 249 ms254 ms18 KB44 KB200text/javascriptScript
- http://www.googletagmanager.com/a?id=UA-113637181-1&cv=1&v=3&t=t&pid=1925072650&rv=1m0&es=1&e=gtm.js&eid=0&u=AAE&tc=1&z=0
- 249 ms335 ms0 KB0 KB302text/html
- http://www.googletagmanager.com/a?id=UA-113637181-1&cv=1&v=3&t=t&pid=1925072650&rv=1m0&es=1&e=*&eid=1&u=AAE&tc=2&tr=1gtagua&epr=1UA&ti=1gtagua&z=0
- 249 ms336 ms0 KB0 KB302text/html
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 283 ms420 ms26 KB26 KB200application/octet-streamFont
- data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMAAAADACAYAAABS3GwHAAAAAXNSR0IArs4c6QAABqVJREFUeNrt3c
- 293 ms293 ms0 KB2 KB200image/pngImage
- data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAJwCAYAAABI9AvEAAACkklEQVRIS1XHdxQIZBiFcTtCkmRHqS
- 294 ms294 ms0 KB1 KB200image/pngImage
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 301 ms343 ms26 KB26 KB200application/octet-streamFont
- https://www.googletagmanager.com/a?id=UA-113637181-1&cv=1&v=3&t=t&pid=1925072650&rv=1m0&es=1&e=gtm.js&eid=0&u=AAE&tc=1&z=0
- 335 ms343 ms0 KB0 KB204image/gifImage
- https://www.googletagmanager.com/a?id=UA-113637181-1&cv=1&v=3&t=t&pid=1925072650&rv=1m0&es=1&e=*&eid=1&u=AAE&tc=2&tr=1gtagua&epr=1UA&ti=1gtagua&z=0
- 336 ms343 ms0 KB0 KB204image/gifImage
- https://www.google-analytics.com/r/collect?v=1&_v=j80&aip=1&a=2021169802&t=pageview&_s=1&dl=http%3A%2F%2Fweb.mit.edu%2F&ul=en-us&de=UTF-8&dt=MIT%20-%20Massachusetts%20Institute%20of%20Technology&sd=24-bit&sr=412x660&vp=412x660&je=0&_u=oGBAAUAB~&jid=971872630&gjid=1008479995&cid=1306257395.1580840871&tid=UA-1592615-11&_gid=1881572103.1580840871&_r=1>m=2ou1m0&z=654573610
- 398 ms405 ms1 KB0 KB200image/gifImage
- https://www.google-analytics.com/r/collect?v=1&_v=j80&aip=1&a=2021169802&t=pageview&_s=1&dl=http%3A%2F%2Fweb.mit.edu%2F&ul=en-us&de=UTF-8&dt=MIT%20-%20Massachusetts%20Institute%20of%20Technology&sd=24-bit&sr=412x660&vp=412x660&je=0&_u=oGDAAUAB~&jid=1781027807&gjid=1242742328&cid=1306257395.1580840871&tid=UA-1592615-30&_gid=1881572103.1580840871&_r=1>m=2ou1m0&z=695865087
- 398 ms549 ms1 KB0 KB302text/html
- http://web.mit.edu/spotlights-export/suggested-links/?_format=json
- 527 ms709 ms1 KB1 KB200text/htmlXHR
- http://web.mit.edu/spotlights-export/attract-loop/?_format=json
- 536 ms679 ms2 KB3 KB200text/htmlXHR
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 538 ms609 ms5 KB5 KB200application/javascriptScript
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 539 ms667 ms3 KB3 KB200application/javascriptScript
- https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-1592615-30&cid=1306257395.1580840871&jid=1781027807&_gid=1881572103.1580840871&gjid=1242742328&_v=j80&z=695865087
- 549 ms553 ms1 KB0 KB200image/gifImage
- http://web.mit.edu/spotlights-export/recent/?_format=json
- 636 ms853 ms1 KB2 KB200text/htmlXHR
- http://web.mit.edu/spotlights-export/announcements/?_format=json
- 677 ms728 ms0 KB0 KB200text/htmlXHR
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840871711
- 679 ms736 ms18 KB70 KB200application/javascriptScript
- https://siteintercept.qualtrics.com/WRSiteInterceptEngine/Targeting.php?Q_InterceptID=SI_etUj4JHBLwq9fIV&Q_CLIENTVERSION=1.19.0&Q_CLIENTTYPE=web
- 750 ms810 ms1 KB1 KB200application/jsonXHR
- URL
- Cache TTLSize
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 0 ms313 KB
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 0 ms27 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 0 ms26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 0 ms26 KB
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 0 ms17 KB
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 0 ms6 KB
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 0 ms5 KB
- http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js
- 0 ms3 KB
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840871711
- 60000 ms18 KB
- https://www.google-analytics.com/analytics.js
- 7200000 ms18 KB
- Third-Party
- SizeMain-Thread Blocking Time
- 19 KB102 ms
- 30 KB0 ms
- 20 KB0 ms
- 1 KB0 ms
- Start Time
- End Time
- 124 ms
- 8 ms
- 153 ms
- 12 ms
- 243 ms
- 11 ms
- 254 ms
- 39 ms
- 293 ms
- 64 ms
- 362 ms
- 7 ms
- 371 ms
- 8 ms
- 381 ms
- 41 ms
- 424 ms
- 147 ms
- 574 ms
- 8 ms
- 586 ms
- 5 ms
- 592 ms
- 21 ms
- 617 ms
- 26 ms
- 644 ms
- 17 ms
- 661 ms
- 7 ms
- 692 ms
- 7 ms
- 699 ms
- 12 ms
- 732 ms
- 9 ms
- 763 ms
- 12 ms
- 834 ms
- 7 ms
- 876 ms
- 16 ms
- 892 ms
- 10 ms
- URL
- Potential Savings
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 136 ms
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 42 ms
- URL
- Total CPU TimeScript EvaluationScript Parse
- Other
- 1144 ms100 ms4 ms
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 574 ms525 ms23 ms
- https://www.google-analytics.com/analytics.js
- 161 ms157 ms5 ms
- http://web.mit.edu/
- 84 ms82 ms2 ms
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840871711
- 68 ms58 ms7 ms
- http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js
- 65 ms62 ms2 ms
- https://www.googletagmanager.com/gtag/js?id=UA-113637181-1
- 64 ms55 ms9 ms
- URL
- SizePotential Savings
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB24 KB
- URL
- Size
- http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2
- 313 KB
- https://www.googletagmanager.com/gtag/js?id=UA-113637181-1
- 29 KB
- http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2
- 27 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-SemiBold.woff2
- 26 KB
- http://web.mit.edu/themes/mit/assets/fonts/MessinaSansWeb-Regular.woff2
- 26 KB
- https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840871711
- 18 KB
- https://www.google-analytics.com/analytics.js
- 18 KB
- http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg
- 17 KB
- http://web.mit.edu/
- 8 KB
- http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2
- 6 KB
- Category
- Time Spent
- Script Evaluation
- 1088 ms
- Style & Layout
- 530 ms
- Other
- 262 ms
- Parse HTML & CSS
- 143 ms
- Rendering
- 112 ms
- Script Parsing & Compilation
- 57 ms
- Garbage Collection
- 23 ms
- Statistic
- ElementValue
- Total DOM Elements
- 353
- Maximum DOM Depth
- 14
- Maximum Child Elements
- 11
Preload key requests
Consider using `` to prioritize fetching resources that are currently requested later in page load. Learn more.
Consider using `` to prioritize fetching resources that are currently requested later in page load. Learn more.
Minify JavaScript
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.
Minifying JavaScript files can reduce payload sizes and script parse time. Learn more.
User Timing marks and measures
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn more.
Large GIFs are inefficient for delivering animated content. Consider using MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF to save network bytes. Learn more.
Server response times are low (TTFB) - Root document took 70 ms
Time To First Byte identifies the time at which your server sends a response. Learn more.
Time To First Byte identifies the time at which your server sends a response. Learn more.
Efficiently encode images
Optimized images load faster and consume less cellular data. Learn more.
Optimized images load faster and consume less cellular data. Learn more.
Network Round Trip Times - 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more.
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more.
Preconnect to required origins
Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn more.
Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party origins. Learn more.
Minify CSS
Minifying CSS files can reduce network payload sizes. Learn more.
Minifying CSS files can reduce network payload sizes. Learn more.
Server Backend Latencies - 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more.
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more.
Defer offscreen images
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn more.
Properly size images
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.
Serve images in next-gen formats
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.
Avoid chaining critical requests - 5 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.
Page Speed (Google PageSpeed Insights) - v2
Suggestions Summary
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.Enable compression for the following resources to reduce their transfer size by 234.2KiB (67% reduction).
Compressing
http://web.mit.edu/themes/mit/assets/js/main.js?q4imn2 could save 209.9KiB (67% reduction).Compressing
http://web.mit.edu/themes/mit/assets/js/polyfills.js could save 16.1KiB (67% reduction).Compressing
http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js could save 3.2KiB (67% reduction).Compressing
http://web.mit.edu/themes/mit/assets/js/modernizr.js?q4imn2 could save 3.1KiB (55% reduction).Compressing
http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js could save 2KiB (63% reduction).Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.Optimize CSS Delivery of the following:
http://web.mit.edu/themes/mit/assets/css/main.css?q4imn2Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.Leverage browser caching for the following cacheable resources:
http://web.mit.edu/files/images/202002/MIT-Anodes-Cathodes.jpg (expiration not specified)http://web.mit.edu/themes/mit/assets/js/Notification.67f936de376c7a247e31.js (expiration not specified)http://web.mit.edu/themes/mit/assets/js/SpotlightsRecent.bafb9381ff39be50fedb.js (expiration not specified)http://web.mit.edu/themes/mit/assets/js/polyfills.js (expiration not specified)https://znbsgdeu4idqsr8db-mit.siteintercept.qualtrics.com/WRSiteInterceptEngine/?Q_SIID=SI_etUj4JHBLwq9fIV&Q_LOC=http%3A%2F%2Fweb.mit.edu%2F&t=1580840865401 (60 seconds)https://www.googletagmanager.com/gtag/js?id=UA-113637181-1 (15 minutes)https://www.google-***ytics.com/***ytics.js (2 hours)Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="https://www.fa…fing-batteries" class="spotlight__sha…js-share-link">Facebook…in new window)</a> and 1 others are close to other tap targets.The tap target
<a href="https://www.fa…fing-batteries" class="spotlight__sha…js-share-link">Facebook…in new window)</a> is close to 1 other tap targets.The tap target
<a href="/archive/spotl…fing-batteries">past Spotlights</a> and 1 others are close to other tap targets.The tap target
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Original size: 33.48 KB
Compressed size: 7.46 KB
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+ SSL Checker - SSL Certificate Verify
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Common Name: web.mit.edu
Organization: Massachusetts Institute of Technology
Location: Cambridge, Massachusetts, US
Issuer: GeoTrust RSA CA 2018
Valid from: Jul 1 00:00:00 2019 GMT
Valid until: Sep 29 12:00:00 2020 GMT
Authority: Is not a CA
Keysize:
Organization: Massachusetts Institute of Technology
Location: Cambridge, Massachusetts, US
Issuer: GeoTrust RSA CA 2018
Valid from: Jul 1 00:00:00 2019 GMT
Valid until: Sep 29 12:00:00 2020 GMT
Authority: Is not a CA
Keysize:
Common Name: GeoTrust RSA CA 2018
Organization: DigiCert Inc, OU=www.digicert.com
Location: US
Issuer: DigiCert Global Root CA
Valid from: Nov 6 12:23:45 2017 GMT
Valid until: Nov 6 12:23:45 2027 GMT
Authority: Is a CA
Keysize: 2048 Bits
Organization: DigiCert Inc, OU=www.digicert.com
Location: US
Issuer: DigiCert Global Root CA
Valid from: Nov 6 12:23:45 2017 GMT
Valid until: Nov 6 12:23:45 2027 GMT
Authority: Is a CA
Keysize: 2048 Bits
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+ Site Categories (dmoz)
- Massachusetts/Massachusetts Institute of Technology
+ Http Header
Server: AkamaiGHost
Content-Length: 0
Location: http://web.mit.edu/
Date: Tue, 04 Feb 2020 18:27:42 GMT
Connection: keep-alive
HTTP/1.1 200 OK
Server: Apache
Last-Modified: Tue, 04 Feb 2020 05:00:26 GMT
ETag: "10e8a000-85ef-5e38fa6a"
Accept-Ranges: bytes
X-Cnection: close
Content-Type: text/html
Vary: Accept-Encoding
Content-Encoding: gzip
Date: Tue, 04 Feb 2020 18:27:42 GMT
Content-Length: 7643
Connection: keep-alive
+ DNS Lookup
| Type | Ip | Target | TTL |
| NS | use5.akam.net | 181 | |
| NS | eur5.akam.net | 181 | |
| NS | ns1-173.akam.net | 181 | |
| NS | asia2.akam.net | 181 | |
| NS | ns1-37.akam.net | 181 | |
| NS | use2.akam.net | 181 | |
| NS | usw2.akam.net | 181 | |
| NS | asia1.akam.net | 181 |
+ Whois Lookup
- Domain Created:
- 1985-05-23
- Domain Age:
- 34 years 8 months 12 days
- WhoIs:
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