Kahoot.It - Info kahoot.it

kahoot.it receives about 1,814,500 unique visitors and 5,153,179 (2.84 per visitor) page views per day which should earn about $35,980.32/day from advertising revenue. Estimated site value is $26,265,634.42. According to Alexa Traffic Rank kahoot.it is ranked number 1,421 in the world and 0.04% of global Internet users visit it. Site is hosted in Ashburn, Virginia, 20149, United States and links to network IP address 54.174.154.114. This server supports HTTPS and HTTP/2.

About - kahoot.it

Join a game of Kahoot! here. Kahoot! is a free game-based learning platform that makes it fun to learn – any subject, in any language, on any device, for all ages!
Edit Site Info

Technologies used on Website

Analytics
Amplitude
Hotjar
Web Servers
OpenResty
Nginx
JavaScript Frameworks
Prototype
Reverse proxies
Nginx
Programming Languages
Lua

kahoot.it Profile

Title: Play Kahoot! - Enter game PIN here!
Description: Join a game of kahoot here. Kahoot! is a free game-based learning platform that makes it fun to learn – any subject, in any language, on any device, for all ages!
Keywords: education, platform, smart phone, tablet, mobile, social, inclusive, HTML5, classroom, engagement, play, game, fun, quiz, multi-player, pedagogy, learning model, learn, gamification.
Last update was 49 days ago
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*HypeStat.com is not linking to, promoting or affiliated with kahoot.it in any way. Only publicly available statistics data are displayed.

How popular is kahoot.it?

1.8M daily visitors
Is this your site?
Verify your site's metrics.
Daily Unique Visitors:
1,814,500
Monthly Unique Visitors:
43,548,000
Pages per Visit:
2.84
Daily Pageviews:
5,153,179
Alexa Rank:
1,421 visit alexa
Alexa Reach:
0.04%   (of global internet users)
Avg. visit duration:
10:13
Bounce rate:
31.31%
*All traffic values are estimates only.

Alexa Traffic Ranks
Search Traffic

Traffic sources

Direct:
49.77%
Referral:
23.43%
Search:
21.57%
Social:
1.41%
Paid:
0.01%

Visitors by country

Users%Pageviews%Rank
United States 56.6%47.2%379
United Kingdom 15.7%13.5%116
Spain 2.8%2.7%735
Sweden 2.0%1.9%268
Mexico 1.9%3.2%1220
Malaysia 1.7%2.1%516
Norway 1.5%1.6%224
Canada 1.3%2.1%1788
Australia 1.1%1.8%1448
Italy 0.9%1.2%2243
India 0.8%1.8%16338
Indonesia 0.7%0.8%2689
Poland 0.6%0.4%2481
United Arab Emirates 0.6%0.8%917
Russian Federation 0.5%0.8%9415

Where do visitors go on this site?

Reach%Pageviews%PerUser
kahoot.it
75.11%38.23%1.50
create.kahoot.it
37.26%53.14%4.21
play.kahoot.it
15.95%8.47%1.6
embed.kahoot.it
0.15%0.05%1
OTHER
0%0.11%0

Competitive Data

SEMrush
Domain:
  kahoot.it
Rank:
(Rank based on keywords, cost and organic traffic)
  1,014
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  2,917
Organic Traffic:
(Number of visitors coming from top 20 search results)
  2,202,700
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $1,025,958.00
Adwords Keywords:
(Keywords a website is buying in Google AdWords for ads that appear in paid search results)
  0
Adwords Traffic:
(Number of visitors brought to the website via paid search results)
  0
Adwords Cost:
(Estimated budget spent for buying keywords in Google AdWords for ads that appear in paid search results - monthly estimation)
  $0.00

+ Moz Data

Domain Authority:
  68
Page Authority:
  73
MozRank:
  6

+ How socially engaged is kahoot.it?

Facebook:
  15
Google +:
  0
Linkedin:
  0
Stumbles:
  0
Buffer:
  0
Pins:
  0

+ Ad Experience Report

Summary of the ad experience rating of a site for a specific platform.

Desktop summary

Root domain:
kahoot.it
Last Change Time:
(The last time that the site changed status.)
2020-02-03 06:44:53
Region:
(The Ad Standard region to which this site has been assigned.)
A,B
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.)
2020-02-07 14:20:32
Region:
(The Ad Standard region to which this site has been assigned.)
A
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:
kahoot.it
Last Change Time:
(The last time that the site changed status.)
2020-02-07 14:20:32
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 kahoot.it can earn?

Daily Revenue:
$35,980.32
Monthly Revenue:
$1,079,409.60
Yearly Revenue:
$13,132,816.80
*All earnings values are estimates only.

Daily earning by country

PageviewsEarning
United States 2,432,300$27,898.49
United Kingdom 695,679$4,334.08
Canada 108,217$758.60
Australia 92,757$698.46
Sweden 97,910$520.88
Norway 82,451$436.99
Malaysia 108,217$327.90
Italy 61,838$215.82
Mexico 164,902$159.95
United Arab Emirates 41,225$154.60
Spain 139,136$154.44
India 92,757$148.41
Russian Federation 41,225$83.69
Indonesia 41,225$50.71
Poland 20,613$37.31

How much money do kahoot.it lose due to Adblock?

Daily Revenue Loss:
$6,494.37
Monthly Revenue Loss:
$194,831.10
Yearly Revenue Loss:
$2,370,445.09
Daily Pageviews Blocked:
764,010
Monthly Pageviews Blocked:
22,920,310
Yearly Pageviews Blocked:
278,863,766
*All earnings values are estimates only.

Daily revenue loss by country

BlockedLost Money
United States 437,814$5,021.73
United Kingdom 111,309$693.45
Canada 27,054$189.65
Sweden 27,415$145.85
Australia 18,551$139.69
Norway 16,490$87.40
India 25,972$41.56
Italy 10,512$36.69
Indonesia 23,911$29.41
Spain 26,436$29.34
Malaysia 8,657$26.23
United Arab Emirates 5,772$21.64
Mexico 14,841$14.40
Poland 6,802$12.31
Russian Federation 2,474$5.02

How much is kahoot.it worth?

Website Value:
$26,265,634.42

+ Where is kahoot.it hosted?

Server IP:
54.174.154.114
ASN:
AS14618 
ISP:
Amazon.com, Inc. 
Server Location:
Ashburn
Virginia, VA
20149
United States, US
 

Other sites hosted on 54.174.154.114

There are no other sites hosted on this IP

+ How fast does kahoot.it load?

Average Load Time:
(1914 ms) 44 % of sites are slower

Page Speed (Google PageSpeed Insights) - Desktop

67
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a SLOW 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)3.3s 7% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 7% 63% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 63% 29% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 29%
First Input Delay (FID)91ms 95% of loads for this page have a fast (<100ms) First Input Delay (FID) 95% 2% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 2% 2% of loads for this page have a slow (>300ms) First Input Delay (FID) 2%

Origin Data

All pages served from this origin have an SLOW 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)3.1s 7% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 7% 65% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 65% 27% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 27%
First Input Delay (FID)65ms 95% of loads for this page have a fast (<100ms) First Input Delay (FID) 95% 1% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 1% 2% of loads for this page have a slow (>300ms) First Input Delay (FID) 2%

Lab Data

Max Potential First Input Delay 740 ms
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 2.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Estimated Input Latency 200 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.
Total Blocking Time 190 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Speed Index 2.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 2.1 s
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 2.0 s
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.
First Meaningful Paint 2.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.

Screenshot Thumbnails

This is what the load of your site looked like.

Network Requests
Lists the network requests that were made during page load.

URL
Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
http://kahoot.it/
0 ms30 ms0 KB0 KB301text/html
https://kahoot.it/
30 ms57 ms3 KB5 KB200text/htmlDocument
https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
69 ms160 ms464 KB1315 KB200application/javascriptScript
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
69 ms173 ms273 KB845 KB200application/javascriptScript
https://cdn.amplitude.com/libs/amplitude-5.3.0-min.gz.js
70 ms136 ms18 KB54 KB200application/javascriptScript
https://static.hotjar.com/c/hotjar-554762.js?sv=6
71 ms93 ms2 KB4 KB200application/javascriptScript
https://script.hotjar.com/modules.142071d5cd4cd27eb072.js
97 ms163 ms70 KB366 KB200application/javascriptScript
https://fonts.googleapis.com/css?family=Montserrat:400,600,800
780 ms797 ms1 KB6 KB200text/cssStylesheet
https://www.google-analytics.com/analytics.js
796 ms805 ms18 KB44 KB200text/javascriptScript
data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4KPCEtLSBHZW5lcmF0b3I6IE
959 ms959 ms0 KB2 KB200image/svg+xmlImage
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_g.woff2
984 ms989 ms20 KB19 KB200font/woff2Font
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2
986 ms990 ms19 KB19 KB200font/woff2Font
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2
1029 ms1033 ms19 KB19 KB200font/woff2Font
https://vars.hotjar.com/box-469cf41adb11dc78be68c1ae7f9457a4.html
1037 ms1062 ms1 KB2 KB200text/htmlDocument
Uses efficient cache policy on static assets - 2 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.

URL
Cache TTLSize
https://static.hotjar.com/c/hotjar-554762.js?sv=6
60000 ms2 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
SizeMain-Thread Blocking Time
73 KB0 ms
18 KB0 ms
18 KB0 ms
Tasks
Lists the toplevel main thread tasks that executed during page load.

Start Time
End Time
79 ms
7 ms
158 ms
7 ms
195 ms
30 ms
238 ms
735 ms
973 ms
19 ms
994 ms
11 ms
1015 ms
23 ms
1038 ms
6 ms
1055 ms
6 ms
1085 ms
8 ms
1102 ms
6 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.

URL
Potential Savings
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_g.woff2
5 ms
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2
4 ms
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2
4 ms
JavaScript execution time - 0.7 s
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
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
707 ms681 ms14 ms
Other
156 ms5 ms2 ms
Avoids enormous network payloads - Total size was 910 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.

URL
Size
https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
464 KB
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
273 KB
https://script.hotjar.com/modules.142071d5cd4cd27eb072.js
70 KB
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_g.woff2
20 KB
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2
19 KB
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2
19 KB
https://www.google-analytics.com/analytics.js
18 KB
https://cdn.amplitude.com/libs/amplitude-5.3.0-min.gz.js
18 KB
https://kahoot.it/
3 KB
https://static.hotjar.com/c/hotjar-554762.js?sv=6
2 KB
Minimizes main-thread work - 1.0 s
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
762 ms
Other
68 ms
Script Parsing & Compilation
49 ms
Style & Layout
47 ms
Rendering
34 ms
Garbage Collection
11 ms
Parse HTML & CSS
4 ms
Avoids an excessive DOM size - 30 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.

Statistic
ElementValue
Total DOM Elements
30
Maximum DOM Depth
10
Maximum Child Elements
6
Avoid multiple page redirects - Potential savings of 190 ms
Redirects introduce additional delays before the page can be loaded. Learn more.

URL
Time Spent
(Initial: http://kahoot.it/)
0
https://kahoot.it/
190
Keep request counts low and transfer sizes small - 14 requests • 910 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Resource Type
RequestsTransfer Size
Total
14910 KB
Script
6845 KB
Font
358 KB
Document
24 KB
Stylesheet
11 KB
Other
10 KB
Image
10 KB
Media
00 KB
Third-party
10170 KB
Eliminate render-blocking resources
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

Enable text compression
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Efficiently encode images
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.

Preconnect to required origins
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.

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.

Defer offscreen images
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.

Remove unused CSS
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.

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.

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.

Preload key requests
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.

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.

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.

Server response times are low (TTFB) - Root document took 30 ms
Time To First Byte identifies the time at which your server sends a response. Learn more.


Page Speed (Google PageSpeed Insights) - Mobile

19
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a SLOW 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)5.3s 7% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 2% 40% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 40% 57% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 57%
First Input Delay (FID)71ms 96% of loads for this page have a fast (<100ms) First Input Delay (FID) 96% 2% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 2% 1% of loads for this page have a slow (>300ms) First Input Delay (FID) 1%

Origin Data

All pages served from this origin have an SLOW 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)5.0s 2% of loads for this page have a fast (<1s) First Contentful Paint (FCP) 2% 42% of loads for this page have an average (1s ~ 3s) First Contentful Paint (FCP) 42% 55% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 55%
First Input Delay (FID)88ms 95% of loads for this page have a fast (<100ms) First Input Delay (FID) 95% 2% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 2% 1% of loads for this page have a slow (>300ms) First Input Delay (FID) 1%

Lab Data

Performance budget
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more.
First Meaningful Paint 8.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more.
Max Potential First Input Delay 2,810 ms
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 9.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Estimated Input Latency 1,860 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.
First Contentful Paint (3G) 14327 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more.
Total Blocking Time 1,840 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Speed Index 8.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First CPU Idle 9.4 s
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 8.0 s
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.

Avoid multiple page redirects - Potential savings of 630 ms
Redirects introduce additional delays before the page can be loaded. Learn more.

URL
Time Spent
(Initial: http://kahoot.it/)
0
https://kahoot.it/
630
Keep request counts low and transfer sizes small - 16 requests • 908 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Resource Type
RequestsTransfer Size
Total
16908 KB
Script
6845 KB
Font
341 KB
Image
214 KB
Document
24 KB
Stylesheet
12 KB
Other
20 KB
Media
00 KB
Third-party
11153 KB
Network Requests
Lists the network requests that were made during page load.

URL
Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
http://kahoot.it/
0 ms81 ms0 KB0 KB301text/html
https://kahoot.it/
82 ms99 ms3 KB5 KB200text/htmlDocument
https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
113 ms210 ms464 KB1315 KB200application/javascriptScript
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
113 ms194 ms273 KB845 KB200application/javascriptScript
https://cdn.amplitude.com/libs/amplitude-5.3.0-min.gz.js
115 ms160 ms18 KB54 KB200application/javascriptScript
https://static.hotjar.com/c/hotjar-554762.js?sv=6
117 ms145 ms2 KB4 KB200application/javascriptScript
https://script.hotjar.com/modules.142071d5cd4cd27eb072.js
148 ms214 ms70 KB366 KB200application/javascriptScript
https://fonts.googleapis.com/css?family=Montserrat:400,600,800
800 ms830 ms2 KB6 KB200text/cssStylesheet
https://www.google-analytics.com/analytics.js
815 ms820 ms18 KB44 KB200text/javascriptScript
data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4KPCEtLSBHZW5lcmF0b3I6IE
992 ms992 ms0 KB2 KB200image/svg+xmlImage
https://kahoot.it/v2/assets/google-play.db9b21a1.png
993 ms1063 ms14 KB14 KB200image/pngImage
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_vx3rCs.woff2
1026 ms1029 ms14 KB13 KB200font/woff2Font
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
1027 ms1031 ms14 KB13 KB200font/woff2Font
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_vx3rCs.woff2
1066 ms1069 ms14 KB13 KB200font/woff2Font
https://vars.hotjar.com/box-469cf41adb11dc78be68c1ae7f9457a4.html
1074 ms1098 ms1 KB2 KB200text/htmlDocument
https://vc.hotjar.io/views/554762?s=0.25
1119 ms1349 ms0 KB0 KB204text/plainXHR
Uses efficient cache policy on static assets - 2 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.

URL
Cache TTLSize
https://static.hotjar.com/c/hotjar-554762.js?sv=6
60000 ms2 KB
https://www.google-analytics.com/analytics.js
7200000 ms18 KB
Minimize third-party usage - Third-party code blocked the main thread for 40 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
SizeMain-Thread Blocking Time
74 KB27 ms
18 KB11 ms
18 KB0 ms
Tasks
Lists the toplevel main thread tasks that executed during page load.

Start Time
End Time
129 ms
10 ms
140 ms
6 ms
192 ms
9 ms
255 ms
28 ms
312 ms
702 ms
1014 ms
26 ms
1042 ms
11 ms
1055 ms
8 ms
1069 ms
21 ms
1129 ms
7 ms
1143 ms
8 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.

URL
Potential Savings
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_vx3rCs.woff2
3 ms
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
4 ms
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_vx3rCs.woff2
4 ms
Reduce JavaScript execution time - 3.1 s
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
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
2687 ms2625 ms62 ms
Other
719 ms22 ms8 ms
https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
163 ms68 ms95 ms
https://script.hotjar.com/modules.142071d5cd4cd27eb072.js
119 ms92 ms27 ms
https://www.google-analytics.com/analytics.js
82 ms62 ms7 ms
Avoids enormous network payloads - Total size was 908 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.

URL
Size
https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
464 KB
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
273 KB
https://script.hotjar.com/modules.142071d5cd4cd27eb072.js
70 KB
https://www.google-analytics.com/analytics.js
18 KB
https://cdn.amplitude.com/libs/amplitude-5.3.0-min.gz.js
18 KB
https://kahoot.it/v2/assets/google-play.db9b21a1.png
14 KB
https://fonts.gstatic.com/s/montserrat/v14/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
14 KB
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_c5H3gnD_vx3rCs.woff2
14 KB
https://fonts.gstatic.com/s/montserrat/v14/JTURjIg1_i6t8kCHKm45_bZF3gnD_vx3rCs.woff2
14 KB
https://kahoot.it/
3 KB
Minimize main-thread work - 3.9 s
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
2941 ms
Other
317 ms
Style & Layout
219 ms
Script Parsing & Compilation
214 ms
Rendering
143 ms
Parse HTML & CSS
20 ms
Garbage Collection
3 ms
Avoids an excessive DOM size - 35 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.

Statistic
ElementValue
Total DOM Elements
35
Maximum DOM Depth
10
Maximum Child Elements
6
Preload key requests
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.

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.

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.

Server response times are low (TTFB) - Root document took 20 ms
Time To First Byte identifies the time at which your server sends a response. Learn more.

Eliminate render-blocking resources
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

Enable text compression
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.

Efficiently encode images
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.

Preconnect to required origins
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.

Defer offscreen images
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. 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.

Properly size images
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Remove unused CSS
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.

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.

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.

Page Speed (Google PageSpeed Insights) - v2

Suggestions Summary

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 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.Remove render-blocking JavaScript:

https://kahoot.it/v2/assets/js/vendors~main.34050842.chunk.js
https://kahoot.it/v2/assets/js/main.39da0c49.chunk.js
Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Montserrat:400,600,800

Leverage 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:

https://static.hotjar.com/c/hotjar-554762.js?sv=6 (60 seconds)
https://www.google-***ytics.com/***ytics.js (2 hours)

Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 2.3KiB (17% reduction).

Compressing https://kahoot.it/v2/assets/google-play.db9b21a1.png could save 2.3KiB (17% reduction).
Avoid landing page redirects
Your page has no redirects. Learn more about avoiding landing page redirects.
Avoid plugins
Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.
Configure the viewport
Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.
Enable compression
You have compression enabled. Learn more about enabling compression.
Reduce server response time
Your server responded quickly. Learn more about server response time optimization.
Minify CSS
Your CSS is minified. Learn more about minifying CSS.
Minify HTML
Your HTML is minified. Learn more about minifying HTML.
Minify JavaScript
Your JavaScript content is minified. Learn more about minifying JavaScript.
Prioritize visible content
You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.
Size content to viewport
The contents of your page fit within the viewport. Learn more about sizing content to the viewport.
Size tap targets appropriately
All of your page's links/buttons are large enough for a user to easily tap on a touchscreen. Learn more about sizing tap targets appropriately.
Use legible font sizes
The text on your page is legible. Learn more about using legible font sizes.
Download optimized image, JavaScript, and CSS resources for this page.

+ Does kahoot.it use compression?

kahoot.it use gzip compression.
Original size: 5.42 KB
Compressed size: 2.66 KB
File reduced by: 2.76 KB (50%)

+ Google Safe Browsing

This site is not currently listed as suspicious

MyWot.com Reputation Ratings

Trustworthiness:
  93
Vendor reliability:
  93
Privacy:
  93
Child safety:
  92

+ SSL Checker - SSL Certificate Verify

kahoot.it supports HTTPS
loader
Verifying SSL Support. Please wait...
Common Name: *.kahoot.it
Organization:
Location:
Issuer: Sectigo RSA Domain Validation Secure Server CA
Valid from: Jan 29 00:00:00 2019 GMT
Valid until: Feb 24 23:59:59 2021 GMT
Authority: Is not a CA
Keysize:
Common Name: Sectigo RSA Domain Validation Secure Server CA
Organization: Sectigo Limited
Location: Salford, Greater Manchester, GB
Issuer: USERTrust RSA Certification Authority
Valid from: Nov 2 00:00:00 2018 GMT
Valid until: Dec 31 23:59:59 2030 GMT
Authority: Is a CA
Keysize: 2048 Bits
Common Name: USERTrust RSA Certification Authority
Organization: The USERTRUST Network
Location: Jersey City, New Jersey, US
Issuer: AddTrust External CA Root
Valid from: May 30 10:48:38 2000 GMT
Valid until: May 30 10:48:38 2020 GMT
Authority: Is a CA
Keysize: 4096 Bits

+ Verify HTTP/2 Support

kahoot.it supports HTTP/2
loader
Verifying HTTP/2.0 Support. Please wait...

+ Site Categories (dmoz)

Currently Not Available

+ Http Header

Server: openresty
Date: Tue, 07 Apr 2020 00:28:40 GMT
Content-Type: text/html
Content-Length: 166
Connection: keep-alive
Location: https://kahoot.it/

HTTP/2 200 
server: openresty
date: Tue, 07 Apr 2020 00:28:40 GMT
content-type: text/html
last-modified: Mon, 06 Apr 2020 11:30:18 GMT
vary: Accept-Encoding
etag: W/"5e8b12ca-15aa"
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
cache-control: no-cache
x-frame-options: ALLOW-FROM https://create.kahoot.it
content-encoding: gzip

+ DNS Lookup

Type Ip Target TTL
TXT 60
TXT 60
MX alt2.aspmx.l.google.com 300
MX aspmx2.googlemail.com 300
MX aspmx3.googlemail.com 300
MX aspmx.l.google.com 300
MX alt1.aspmx.l.google.com 300
SOA 900
Mname ns-334.awsdns-41.com
Rname awsdns-hostmaster.amazon.com
Serial Number 1
Refresh 7200
Retry 900
Expire 1209600
Minimum TTL 0
A 18.208.184.91 60
NS ns-1622.awsdns-10.co.uk 3579
NS ns-1494.awsdns-58.org 3579
NS ns-334.awsdns-41.com 3579
NS ns-729.awsdns-27.net 3579

+ Whois Lookup

Domain Created:
2012-09-20
Domain Age:
7 years 6 months 16 days  
WhoIs:
 

whois lookup at whois.nic.it...
*********************************************************************
* Please note that the following result could be a subgroup of *
* the data contained in the database. *
* *
* Additional information can be visualized at: *
* http://web-whois.nic.it *
* Privacy Information: http://web-whois.nic.it/privacy *
*********************************************************************

Domain: kahoot.it
Status: ok
Signed: no
Created: 2012-09-20 13:47:25
Last Update: 2019-10-06 00:46:31
Expire Date: 2020-09-20

Registrant
Organization: Mobitroll AS
Address: Kjemiblokk 1
Sem Saelands vei 14
Trondheim
NO-7491
-
NO
Created: 2012-09-20 13:47:25
Last Update: 2012-09-20 13:47:25

Admin Contact
Name: Versvik Morten
Organization: Mobitroll AS
Address: Kjemiblokk 1
Sem Saelands vei 14
Trondheim
NO-7491
-
NO
Created: 2012-09-20 13:47:25
Last Update: 2012-09-20 13:47:25

Technical Contacts
Name: Versvik Morten
Organization: Mobitroll AS
Address: Kjemiblokk 1
Sem Saelands vei 14
Trondheim
NO-7491
-
NO
Created: 2013-02-15 22:00:47
Last Update: 2013-02-15 22:00:47

Registrar
Organization: EuroDNS SA
Name: EURODNS-REG
Web: http://www.eurodns.com
DNSSEC: no


Nameservers
ns-334.awsdns-41.com
ns-1494.awsdns-58.org
ns-729.awsdns-27.net
ns-1622.awsdns-10.co.uk
Last update was 49 days ago
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