Astronomyonline.Org - Info 
astronomyonline.org receives about 1,814 unique visitors and 1,814 (1.00 per visitor) page views per day which should earn about $18.36/day from advertising revenue. Estimated site value is $13,400.21. According to Alexa Traffic Rank astronomyonline.org is ranked number 1,322,945 in the world and 4.0E-5% of global Internet users visit it. Site is hosted in Jacksonville, Florida, 32258, United States and links to network IP address 209.17.116.9. This server doesn't support HTTPS and doesn't support HTTP/2.
About - astronomyonline.org
Technologies used on Website
- Web Servers
- IIS
- Web Frameworks
- Microsoft ASP.NET
- Payment Processors
- PayPal
- Analytics
- Site Meter
- Operating Systems
- Windows Server
astronomyonline.org Profile
Title: Astronomy Online
Description: Gives overview of the solar system, the Milky Way galaxy, extrasolar planets, cosmology and astrophotography. Includes images, additional resources, and forums.
Keywords: Astronomy, Milky Way Galaxy, Solar System, Astrobiology, Exoplanets, Cosmology, Stars, Astrop ography, planets, astrophysics, relativity, Science, space
Description: Gives overview of the solar system, the Milky Way galaxy, extrasolar planets, cosmology and astrophotography. Includes images, additional resources, and forums.
Keywords: Astronomy, Milky Way Galaxy, Solar System, Astrobiology, Exoplanets, Cosmology, Stars, Astrop ography, planets, astrophysics, relativity, Science, space
Last update was 166 days ago
This can take up to 60 seconds. Please wait...
This can take up to 60 seconds. Please wait...
*HypeStat.com is not linking to, promoting or affiliated with astronomyonline.org in any way. Only publicly available statistics data are displayed.
How popular is astronomyonline.org?
1.8K daily visitors
Is this your site?
Verify your site's metrics.
Verify your site's metrics.
- Daily Unique Visitors:
- 1,814
- Monthly Unique Visitors:
- 43,536
- Pages per Visit:
- 1.00
- Daily Pageviews:
- 1,814
- Alexa Rank:
- 1,322,945 visit alexa
- Alexa Reach:
- 4.0E-5% (of global internet users)
- Avg. visit duration:
- n/a
- Bounce rate:
- n/a
Visitors by country
- Users%Pageviews%Rank
- United States 83.6%88.2%230740
Where do visitors go on this site?
- Reach%Pageviews%PerUser
- astronomyonline.org
- 100.00%100.00%1
Competitive Data
- Domain:
- astronomyonline.org
- Rank:
(Rank based on keywords, cost and organic traffic) - n/a
- Organic Keywords:
(Number of keywords in top 20 Google SERP) - 0
- Organic Traffic:
(Number of visitors coming from top 20 search results) - 0
- Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords) - $0.00
- 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
Backlinks Report
- Total Sites Linking In (Alexa):
- 270
- Total Backlinks:
- 0
- Follow Links:
- n/a
- Nofollow Links:
- n/a
- Referring Domains:
- 0
- Referring IPs:
- 0
- Authority Domain Score:
- 0
Backlinks by country
Currently Not AvailableBacklinks by TLDs
Currently Not Available+ 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:
- astronomyonline.org
- 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.) - Not reviewed
Mobile summary
- 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.) - Not reviewed
+ Abusive Experience Report
- Root domain:
- astronomyonline.org
- 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.) - Not reviewed
+ How much astronomyonline.org can earn?
- Daily Revenue:
- $18.36
- Monthly Revenue:
- $550.80
- Yearly Revenue:
- $6,701.40
Daily earning by country
- PageviewsEarning
- United States 1,600$18.35
How much money do astronomyonline.org lose due to Adblock?
- Daily Revenue Loss:
- $3.30
- Monthly Revenue Loss:
- $99.10
- Yearly Revenue Loss:
- $1,205.69
- Daily Pageviews Blocked:
- 288
- Monthly Pageviews Blocked:
- 8,640
- Yearly Pageviews Blocked:
- 105,117
Daily revenue loss by country
- BlockedLost Money
- United States 288$3.30
How much is astronomyonline.org worth?
- Website Value:
- $13,400.21
+ Where is astronomyonline.org hosted?
- Server IP:
- 209.17.116.9
- ASN:
- AS55002
- ISP:
- Defense.Net, Inc
- Server Location:
- Jacksonville
Florida, FL
32258
United States, US
Other sites hosted on 209.17.116.9
+ How fast does astronomyonline.org load?
- Average Load Time:
- n/a ms n/a % 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 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.Origin Data
All pages served from this origin have an 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.Lab Data
Speed Index 0.5 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 0.3 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 0.3 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.
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 0.3 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 20 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 0.3 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 0 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.
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.
Screenshot Thumbnails
This is what the load of your site looked like.
JavaScript execution time - 0.0 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
- 121 ms2 ms1 ms
Properly size images - Potential savings of 554 KB
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.
- URL
- SizePotential Savings
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB332 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 199 KB193 KB
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 23 KB22 KB
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Libra.gif
- 10 KB8 KB
Avoids enormous network payloads - Total size was 857 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
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 200 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB
- http://astronomyonline.org/
- 49 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB
- http://astronomyonline.org/images/StoreImages/Apron.jpg
- 34 KB
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 23 KB
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Libra.gif
- 10 KB
- http://astronomyonline.org/images/american-flag.jpg
- 9 KB
- http://astronomyonline.org/images/ads/DonateBtn.gif
- 4 KB
Minimizes main-thread work - 0.1 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
- Rendering
- 39 ms
- Other
- 38 ms
- Style & Layout
- 32 ms
- Parse HTML & CSS
- 8 ms
- Script Evaluation
- 2 ms
- Script Parsing & Compilation
- 1 ms
Serve images in next-gen formats - Potential savings of 377 KB
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.
- URL
- SizePotential Savings
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB131 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB111 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 199 KB59 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB35 KB
- http://astronomyonline.org/images/StoreImages/Apron.jpg
- 34 KB33 KB
- http://astronomyonline.org/images/american-flag.jpg
- 8 KB8 KB
Avoids an excessive DOM size - 472 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
- 472
- Maximum DOM Depth
- 19
- Maximum Child Elements
- 27
Keep request counts low and transfer sizes small - 37 requests • 857 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
- 37857 KB
- Image
- 33807 KB
- Document
- 149 KB
- Stylesheet
- 11 KB
- Other
- 10 KB
- Media
- 00 KB
- Font
- 00 KB
- Script
- 10 KB
- Third-party
- 8565 KB
Eliminate render-blocking resources - Potential savings of 50 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://astronomyonline.org/css-index.css
- 1 KB70
Efficiently encode images - Potential savings of 205 KB
Optimized images load faster and consume less cellular data. Learn more.
Optimized images load faster and consume less cellular data. Learn more.
- URL
- SizePotential Savings
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB98 KB
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB34 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB33 KB
- http://astronomyonline.org/images/StoreImages/Apron.jpg
- 34 KB31 KB
- http://astronomyonline.org/images/american-flag.jpg
- 8 KB8 KB
Enable text compression - Potential savings of 35 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://astronomyonline.org/
- 49 KB35 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://astronomyonline.org/
- 0 ms353 ms49 KB49 KB200text/htmlDocument
- http://astronomyonline.org/css-index.css
- 364 ms442 ms1 KB3 KB200text/cssStylesheet
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 365 ms734 ms126 KB126 KB200image/jpegImage
- http://astronomyonline.org/images/header/navigator/b_Home_on.gif
- 365 ms518 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Observation_off.gif
- 367 ms517 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Science_off.gif
- 367 ms517 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_SolarSystem_off.gif
- 367 ms516 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Stars_off.gif
- 368 ms531 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_OurGalaxy_off.gif
- 368 ms531 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Cosmology_off.gif
- 368 ms531 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Astrobiology_off.gif
- 368 ms517 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Exoplanets_off.gif
- 368 ms518 ms1 KB1 KB200image/gifImage
- http://astronomyonline.org/images/header/navigator/b_Astrophotography_off.gif
- 368 ms547 ms2 KB1 KB200image/gifImage
- http://astronomyonline.org/images/spacerDarkBlue.gif
- 368 ms516 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/TopLeft.gif
- 368 ms520 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/TopRight.gif
- 369 ms530 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/american-flag.jpg
- 369 ms547 ms9 KB8 KB200image/jpegImage
- http://astronomyonline.org/images/IranianFlag.png
- 369 ms547 ms3 KB3 KB200image/pngImage
- http://astronomyonline.org/images/ads/DonateBtn.gif
- 369 ms546 ms4 KB4 KB200image/gifImage
- https://www.paypalobjects.com/en_GB/i/scr/pixel.gif
- 369 ms397 ms1 KB0 KB200image/gifImage
- http://www.thetimenow.com/images/eye-icon-dark.png
- 369 ms588 ms4 KB3 KB200image/pngImage
- http://astronomyonline.org/images/StoreImages/Apron.jpg
- 369 ms631 ms34 KB34 KB200image/jpegImage
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Libra.gif
- 369 ms615 ms10 KB10 KB200image/gifImage
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 370 ms1774 ms335 KB335 KB200image/jpegImage
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 370 ms1095 ms200 KB199 KB200image/jpegImage
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 370 ms425 ms23 KB23 KB200image/jpegImage
- http://astronomyonline.org/images/IrisMainPage.jpg
- 370 ms735 ms38 KB38 KB200image/jpegImage
- http://astronomyonline.org/images/content/BottomLeft.gif
- 370 ms532 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/BottomRight.gif
- 370 ms530 ms0 KB0 KB200image/gifImage
- http://s23.sitemeter.com/js/counter.js?site=s23AstronomyOnline
- 366 ms380 ms0 KB0 KB-1Script
- http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif
- 370 ms531 ms3 KB3 KB200image/gifImage
- http://i.creativecommons.org/l/by-sa/3.0/88x31.png
- 370 ms484 ms0 KB0 KB301text/html
- http://astronomyonline.org/images/content/TopMiddle.gif
- 448 ms598 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/MiddleLeft.gif
- 448 ms598 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/MiddleRight.gif
- 450 ms603 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/BottomMiddle.gif
- 452 ms546 ms0 KB0 KB200image/gifImage
- https://licensebuttons.net/l/by-sa/3.0/88x31.png
- 484 ms573 ms2 KB2 KB200image/pngImage
Serve static assets with an efficient cache policy - 33 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
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 0 ms335 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 0 ms200 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 0 ms126 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 0 ms38 KB
- http://astronomyonline.org/images/StoreImages/Apron.jpg
- 0 ms34 KB
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 0 ms23 KB
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Libra.gif
- 0 ms10 KB
- http://astronomyonline.org/images/american-flag.jpg
- 0 ms9 KB
- http://astronomyonline.org/images/ads/DonateBtn.gif
- 0 ms4 KB
- http://astronomyonline.org/images/IranianFlag.png
- 0 ms3 KB
- http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif
- 0 ms3 KB
- http://astronomyonline.org/images/header/navigator/b_Astrophotography_off.gif
- 0 ms2 KB
- http://astronomyonline.org/images/header/navigator/b_Astrobiology_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Observation_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_SolarSystem_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_OurGalaxy_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Exoplanets_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Cosmology_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Science_off.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Home_on.gif
- 0 ms1 KB
- http://astronomyonline.org/images/header/navigator/b_Stars_off.gif
- 0 ms1 KB
- http://astronomyonline.org/css-index.css
- 0 ms1 KB
- http://astronomyonline.org/images/content/BottomRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/BottomLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/BottomMiddle.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/MiddleLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/MiddleRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopMiddle.gif
- 0 ms0 KB
- http://astronomyonline.org/images/spacerDarkBlue.gif
- 0 ms0 KB
- https://licensebuttons.net/l/by-sa/3.0/88x31.png
- 432000000 ms2 KB
- http://www.thetimenow.com/images/eye-icon-dark.png
- 2592000000 ms4 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
- 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
- 374 ms
- 6 ms
- 383 ms
- 5 ms
- 466 ms
- 35 ms
- 504 ms
- 14 ms
- 568 ms
- 6 ms
Page Speed (Google PageSpeed Insights) - Mobile
Field Data
Over the last 30 days, the field data shows that this page has a 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.Origin Data
All pages served from this origin have an 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.Lab Data
Max Potential First Input Delay 20 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 1.0 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.
Minimize third-party usage
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.
First Contentful Paint (3G) 1860 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.
Total Blocking Time 0 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.
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.
Speed Index 1.3 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 1.0 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 1.0 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.
First Meaningful Paint 1.0 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.
Screenshot Thumbnails
This is what the load of your site looked like.
- URL
- Cache TTLSize
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 0 ms335 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 0 ms200 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 0 ms126 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 0 ms38 KB
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 0 ms23 KB
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Cancer.gif
- 0 ms10 KB
- http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif
- 0 ms3 KB
- http://astronomyonline.org/css-index.css
- 0 ms1 KB
- http://astronomyonline.org/images/content/BottomRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/BottomLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/BottomMiddle.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/MiddleLeft.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/MiddleRight.gif
- 0 ms0 KB
- http://astronomyonline.org/images/content/TopMiddle.gif
- 0 ms0 KB
- http://astronomyonline.org/images/spacerDarkBlue.gif
- 0 ms0 KB
- https://licensebuttons.net/l/by-sa/3.0/88x31.png
- 432000000 ms2 KB
- Start Time
- End Time
- 374 ms
- 6 ms
- 383 ms
- 6 ms
- 541 ms
- 33 ms
- 577 ms
- 9 ms
- URL
- Total CPU TimeScript EvaluationScript Parse
- Other
- 413 ms9 ms3 ms
- URL
- SizePotential Savings
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB271 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 199 KB69 KB
- URL
- Size
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 200 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB
- http://astronomyonline.org/
- 26 KB
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 23 KB
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Cancer.gif
- 10 KB
- http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif
- 3 KB
- https://licensebuttons.net/l/by-sa/3.0/88x31.png
- 2 KB
- http://astronomyonline.org/css-index.css
- 1 KB
- Category
- Time Spent
- Style & Layout
- 136 ms
- Other
- 124 ms
- Rendering
- 109 ms
- Parse HTML & CSS
- 31 ms
- Script Evaluation
- 10 ms
- Script Parsing & Compilation
- 5 ms
- URL
- SizePotential Savings
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB131 KB
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB111 KB
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 199 KB59 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB35 KB
- Statistic
- ElementValue
- Total DOM Elements
- 276
- Maximum DOM Depth
- 18
- Maximum Child Elements
- 27
- Resource Type
- RequestsTransfer Size
- Total
- 21768 KB
- Image
- 17740 KB
- Document
- 126 KB
- Stylesheet
- 11 KB
- Other
- 10 KB
- Media
- 00 KB
- Font
- 00 KB
- Script
- 10 KB
- Third-party
- 6561 KB
- URL
- SizePotential Savings
- http://astronomyonline.org/css-index.css
- 1 KB180
- URL
- SizePotential Savings
- http://astronomyonline.org/
- 26 KB17 KB
- URL
- SizePotential Savings
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 126 KB98 KB
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 335 KB34 KB
- http://astronomyonline.org/images/IrisMainPage.jpg
- 38 KB33 KB
- URL
- Start TimeEnd TimeTransfer SizeResource SizeStatus CodeMIME TypeResource Type
- http://astronomyonline.org/
- 0 ms354 ms26 KB26 KB200text/htmlDocument
- http://astronomyonline.org/css-index.css
- 365 ms518 ms1 KB3 KB200text/cssStylesheet
- http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg
- 365 ms909 ms126 KB126 KB200image/jpegImage
- http://astronomyonline.org/images/spacerDarkBlue.gif
- 365 ms518 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/TopLeft.gif
- 368 ms521 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/TopRight.gif
- 368 ms520 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Cancer.gif
- 368 ms595 ms10 KB10 KB200image/gifImage
- https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg
- 368 ms1267 ms335 KB335 KB200image/jpegImage
- https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg
- 368 ms1123 ms200 KB199 KB200image/jpegImage
- https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg
- 368 ms689 ms23 KB23 KB200image/jpegImage
- http://astronomyonline.org/images/IrisMainPage.jpg
- 369 ms753 ms38 KB38 KB200image/jpegImage
- http://astronomyonline.org/images/content/BottomLeft.gif
- 369 ms521 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/BottomRight.gif
- 369 ms521 ms0 KB0 KB200image/gifImage
- http://s23.sitemeter.com/js/counter.js?site=s23AstronomyOnline
- 366 ms379 ms0 KB0 KB-1Script
- http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif
- 369 ms548 ms3 KB3 KB200image/gifImage
- http://i.creativecommons.org/l/by-sa/3.0/88x31.png
- 369 ms558 ms0 KB0 KB301text/html
- http://astronomyonline.org/images/content/TopMiddle.gif
- 524 ms603 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/MiddleLeft.gif
- 524 ms604 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/MiddleRight.gif
- 526 ms608 ms0 KB0 KB200image/gifImage
- http://astronomyonline.org/images/content/BottomMiddle.gif
- 527 ms682 ms0 KB0 KB200image/gifImage
- https://licensebuttons.net/l/by-sa/3.0/88x31.png
- 559 ms650 ms2 KB2 KB200image/pngImage
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.
All text remains visible during webfont loads
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.
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.
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.
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.
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.
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.
Avoid chaining critical requests - 2 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.
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.
Avoid multiple page redirects
Redirects introduce additional delays before the page can be loaded. Learn more.
Redirects introduce additional delays before the page can be loaded. 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 350 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.
Page Speed (Google PageSpeed Insights) - v2
Suggestions Summary
Optimize images
Properly formatting and compressing images can save many bytes of data.Optimize the following images to reduce their size by 499.6KiB (71% reduction).
Compressing and resizing
https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg could save 326.2KiB (97% reduction).Compressing
http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg could save 104.1KiB (82% reduction).Compressing
https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg could save 35.1KiB (18% reduction).Compressing
http://astronomyonline.org/images/IrisMainPage.jpg could save 34.1KiB (90% reduction).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:
http://astronomyonline.org/Observation/Images/Constellations/ConstellationBig/Musca.gif (expiration not specified)http://astronomyonline.org/css-index.css (expiration not specified)http://astronomyonline.org/images/IrisMainPage.jpg (expiration not specified)http://astronomyonline.org/images/Webbys_2006/2006WebbySharp.gif (expiration not specified)http://astronomyonline.org/images/content/BottomLeft.gif (expiration not specified)http://astronomyonline.org/images/content/BottomMiddle.gif (expiration not specified)http://astronomyonline.org/images/content/BottomRight.gif (expiration not specified)http://astronomyonline.org/images/content/MiddleLeft.gif (expiration not specified)http://astronomyonline.org/images/content/MiddleRight.gif (expiration not specified)http://astronomyonline.org/images/content/TopLeft.gif (expiration not specified)http://astronomyonline.org/images/content/TopMiddle.gif (expiration not specified)http://astronomyonline.org/images/content/TopRight.gif (expiration not specified)http://astronomyonline.org/images/header/logo_AstronomyOnline4.jpg (expiration not specified)http://astronomyonline.org/images/spacerDarkBlue.gif (expiration not specified)https://apod.nasa.gov/apod/image/1912/M77Bfield_NASA_960.jpg (expiration not specified)https://apod.nasa.gov/apod/image/1912/N2616c_600h.jpg (expiration not specified)https://blog.letstango.com/wp-content/uploads/2018/09/header_mars.jpg (expiration not specified)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://astronomyonline.org/css-index.cssSize 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="/default.asp?Cate=Home">Home</a> and 9 others are close to other tap targets .The tap target
<a href="/Observation/C…ubCate2=MP0801">88 constellations</a> and 13 others are close to other tap targets .The tap target
<a href="SolarSystem/In…&SubCate2=SS00">Solar System</a> is close to 1 other tap targets.The tap target
<a href="https://longbo…est_Longboards">Longboardbrand.com</a> and 13 others are close to other tap targets.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 19.9KiB (***% reduction).
Compressing
http://astronomyonline.org/ could save 17.4KiB (67% reduction).Compressing
http://astronomyonline.org/css-index.css could save 2.5KiB (80% reduction).Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and p*** times.Minify HTML for the following resources to reduce their size by 7.9KiB (31% reduction).
Minifying
http://astronomyonline.org/ could save 7.9KiB (31% reduction).Minify CSS
Compacting CSS code can save many bytes of data and speed up download and p*** times.Minify CSS for the following resources to reduce their size by 708B (23% reduction).
Minifying
http://astronomyonline.org/css-index.css could save 708B (23% 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.Reduce server response time
Your server responded quickly. Learn more about server response time optimization.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.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 astronomyonline.org use compression?
astronomyonline.org does not use compression.
Original size: 48.74 KB
Compressed size: n/a
File reduced by: n/a
Compressed size: n/a
File reduced by: n/a
+ Google Safe Browsing
+ SSL Checker - SSL Certificate Verify
astronomyonline.org does not support HTTPS
Verifying SSL Support. Please wait...
+ Verify HTTP/2 Support
astronomyonline.org does not support HTTP/2
Verifying HTTP/2.0 Support. Please wait...
+ Site Categories (dmoz)
- Science/Astronomy
+ Http Header
Cache-Control: private
Content-Type: text/html
Server: Microsoft-IIS/8.5
Set-Cookie: ASPSESSIONIDAARBRBSQ=NPOHFECCBBPAGMHHLPNJMKGL; path=/
X-Powered-By: ASP.NET
Date: Sun, 22 Dec 2019 02:25:34 GMT
Connection: close
+ DNS Lookup
| Type | Ip | Target | TTL |
| MX | mx1.netsolmail.net | 3600 | |
| SOA | 3600 | ||
| Mname | ns55.worldnic.com | ||
| Rname | namehost.worldnic.com | ||
| Serial Number | 117110200 | ||
| Refresh | 10800 | ||
| Retry | 3600 | ||
| Expire | 604800 | ||
| Minimum TTL | 0 | ||
| A | 209.17.116.9 | 3577 | |
| NS | ns55.worldnic.com | 3577 | |
| NS | ns56.worldnic.com | 3577 |
+ Whois Lookup
- Domain Created:
- 2004-10-10
- Domain Age:
- 15 years 2 months 11 days
- WhoIs:
+ How socially engaged is astronomyonline.org?