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nightly.mozilla.org screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

nightly.mozilla.org

Download and test future releases of Firefox for desktop, Android and iOS.

Page Load Speed

1.9 sec in total

First Response

317 ms

Resources Loaded

1.4 sec

Page Rendered

215 ms

nightly.mozilla.org screenshot

About Website

Welcome to nightly.mozilla.org homepage info - get ready to check Nightly Mozilla best content for India right away, or after learning these important things about nightly.mozilla.org

Experience cutting-edge browser features in pre-release versions: Firefox Developer Edition, Firefox Beta and Firefox Nightly. Download now!

Visit nightly.mozilla.org

Key Findings

We analyzed Nightly.mozilla.org page load time and found that the first response time was 317 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nightly.mozilla.org performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

59/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

nightly.mozilla.org

317 ms

nightly.mozilla.org

260 ms

432 ms

site.11d69f4f7f7a.js

6 ms

protocol-firefox.416045c03ea1.css

11 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Nightly.mozilla.org, 94% (46 requests) were made to Mozilla.org and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (432 ms) relates to the external source Mozilla.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.7 kB (53%)

Content Size

203.4 kB

After Optimization

95.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Nightly.mozilla.org main page is 203.4 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. 50% of websites need less resources to load. HTML takes 123.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 105.9 kB

  • Original 123.4 kB
  • After minification 107.4 kB
  • After compression 17.6 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 16.0 kB, which is 13% 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 105.9 kB or 86% of the original size.

JavaScript Optimization

-2%

Potential reduce by 1.0 kB

  • Original 61.9 kB
  • After minification 61.9 kB
  • After compression 60.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 830 B

  • Original 18.0 kB
  • After minification 18.0 kB
  • After compression 17.2 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. Nightly.mozilla.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (61%)

Requests Now

44

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nightly Mozilla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nightly.mozilla.org

nightly.mozilla.org

317 ms

nightly.mozilla.org

nightly.mozilla.org

260 ms

432 ms

site.11d69f4f7f7a.js

site.11d69f4f7f7a.js

6 ms

protocol-firefox.416045c03ea1.css

protocol-firefox.416045c03ea1.css

11 ms

protocol-picto.cfee40a3cd36.css

protocol-picto.cfee40a3cd36.css

9 ms

protocol-newsletter.0f68eb7e0134.css

protocol-newsletter.0f68eb7e0134.css

94 ms

protocol-callout.036d0086522d.css

protocol-callout.036d0086522d.css

14 ms

firefox_channel.5715267f3df5.css

firefox_channel.5715267f3df5.css

18 ms

gtm-snippet.c6161a31e1e3.js

gtm-snippet.c6161a31e1e3.js

15 ms

sentry.510a9467a0fb.js

sentry.510a9467a0fb.js

11 ms

lib.b0dac7d3750a.js

lib.b0dac7d3750a.js

17 ms

ui.299ca3b53b85.js

ui.299ca3b53b85.js

13 ms

fxa.6cacc544775b.js

fxa.6cacc544775b.js

13 ms

data.48df71e20dce.js

data.48df71e20dce.js

13 ms

stub-attribution.e16a51d7d0c4.js

stub-attribution.e16a51d7d0c4.js

13 ms

glean.c9972c2a6e89.js

glean.c9972c2a6e89.js

15 ms

newsletter.24357d18522c.js

newsletter.24357d18522c.js

15 ms

consent-banner.45eaea0b9cb5.js

consent-banner.45eaea0b9cb5.js

15 ms

gtm.js

gtm.js

172 ms

menu.79f1f0c795df.svg

menu.79f1f0c795df.svg

6 ms

logo-word-hor.e20791bb4dd4.svg

logo-word-hor.e20791bb4dd4.svg

47 ms

logo.eb1324e44442.svg

logo.eb1324e44442.svg

14 ms

logo.aac3e33175cb.svg

logo.aac3e33175cb.svg

8 ms

logo.d97e5516f9e6.svg

logo.d97e5516f9e6.svg

12 ms

logo.17446bc33a5d.svg

logo.17446bc33a5d.svg

16 ms

logo.c648f487bfb8.svg

logo.c648f487bfb8.svg

16 ms

logo.683083c53b93.svg

logo.683083c53b93.svg

18 ms

icon-mdn-plus.f54475f980ab.svg

icon-mdn-plus.f54475f980ab.svg

30 ms

logo-blue.3973b8fe9631.svg

logo-blue.3973b8fe9631.svg

28 ms

logo.41d42822c8fb.svg

logo.41d42822c8fb.svg

19 ms

icon-mdn-web-docs.9ed01cfe71c7.svg

icon-mdn-web-docs.9ed01cfe71c7.svg

29 ms

icon-innovation-projects.11f189479119.svg

icon-innovation-projects.11f189479119.svg

34 ms

icon-common-voice.127fa3f5dcb0.svg

icon-common-voice.127fa3f5dcb0.svg

31 ms

logo.fedb52c912d6.svg

logo.fedb52c912d6.svg

35 ms

logo.9d84b80dbb88.svg

logo.9d84b80dbb88.svg

39 ms

logo.91c8528645bc.svg

logo.91c8528645bc.svg

46 ms

warning.0819e9039243.svg

warning.0819e9039243.svg

37 ms

mail.0f885d7b3a03.svg

mail.0f885d7b3a03.svg

43 ms

logo-word-hor-white.8e4c6167b986.svg

logo-word-hor-white.8e4c6167b986.svg

38 ms

white.7f50edd82090.svg

white.7f50edd82090.svg

42 ms

white.55edaf2ee952.svg

white.55edaf2ee952.svg

48 ms

white.a7014a6150b3.svg

white.a7014a6150b3.svg

50 ms

white.cdc0e910cc1e.svg

white.cdc0e910cc1e.svg

51 ms

white.599403de7ac0.svg

white.599403de7ac0.svg

49 ms

white.aa5334e85bae.svg

white.aa5334e85bae.svg

53 ms

white.4f314c43c69d.svg

white.4f314c43c69d.svg

55 ms

Inter-Regular.1a7f90ff1f1e.woff

Inter-Regular.1a7f90ff1f1e.woff

56 ms

Inter-Bold.2767206dcd8d.woff

Inter-Bold.2767206dcd8d.woff

54 ms

Accessibility Review

nightly.mozilla.org accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

nightly.mozilla.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

nightly.mozilla.org SEO score

99

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Nightly.mozilla.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 Nightly.mozilla.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

nightly.mozilla.org

Open Graph data is detected on the main page of Nightly Mozilla. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: