Tools & Wizards About Us
gnu.org screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

gnu.org

The GNU Operating System and the Free Software Movement

Page Load Speed

725 ms in total

First Response

133 ms

Resources Loaded

309 ms

Page Rendered

283 ms

gnu.org screenshot

About Website

Visit gnu.org now to see the best up-to-date GNU content for China and also check out these interesting facts you probably never knew about gnu.org

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

Visit gnu.org

Key Findings

We analyzed Gnu.org page load time and found that the first response time was 133 ms and then it took 592 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

gnu.org performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

gnu.org

133 ms

www.gnu.org

65 ms

layout.min.css

17 ms

heckert_gnu.transp.small.png

30 ms

search.png

31 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Gnu.org and no external sources were called. The less responsive or slowest element that took the longest time to load (133 ms) belongs to the original domain Gnu.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.4 kB (15%)

Content Size

199.2 kB

After Optimization

168.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Gnu.org main page is 199.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 162.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 22.4 kB

  • Original 30.5 kB
  • After minification 25.9 kB
  • After compression 8.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 4.7 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.4 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 8.0 kB

  • Original 162.7 kB
  • After minification 154.7 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. GNU images are well optimized though.

CSS Optimization

-0%

Potential reduce by 24 B

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 5.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Gnu.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GNU. According to our analytics all requests are already optimized.

Network Requests Diagram

gnu.org

gnu.org

133 ms

www.gnu.org

www.gnu.org

65 ms

layout.min.css

layout.min.css

17 ms

heckert_gnu.transp.small.png

heckert_gnu.transp.small.png

30 ms

search.png

search.png

31 ms

translations.png

translations.png

32 ms

dragora-tde-medium.jpg

dragora-tde-medium.jpg

54 ms

dragora-tde-thumb.jpg

dragora-tde-thumb.jpg

33 ms

guixSD-gnome3-thumb.jpg

guixSD-gnome3-thumb.jpg

33 ms

hyperbola-i3-thumb.jpg

hyperbola-i3-thumb.jpg

42 ms

parabola2020-lxde-thumb.jpg

parabola2020-lxde-thumb.jpg

45 ms

gnome3-thumb.jpg

gnome3-thumb.jpg

44 ms

trisquel10-mate-thumb.jpg

trisquel10-mate-thumb.jpg

48 ms

snowflake-purple.png

snowflake-purple.png

49 ms

feed-icon-10x10.png

feed-icon-10x10.png

56 ms

fsf-logo-notext-small.png

fsf-logo-notext-small.png

58 ms

print.min.css

print.min.css

16 ms

Accessibility Review

gnu.org accessibility score

100

Accessibility Issues

Best Practices

gnu.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

gnu.org SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Document doesn't have a valid hreflang

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gnu.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Gnu.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

gnu.org

Open Graph description is not detected on the main page of GNU. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: