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dnt.mozilla.org screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

dnt.mozilla.org

How do I turn on the Do Not Track feature? | Firefox Help

Page Load Speed

2.2 sec in total

First Response

205 ms

Resources Loaded

1.8 sec

Page Rendered

236 ms

dnt.mozilla.org screenshot

About Website

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

Firefox lets you tell websites not to track your browsing behavior. Learn what tracking is and how to turn on the “Do Not Track” feature.

Visit dnt.mozilla.org

Key Findings

We analyzed Dnt.mozilla.org page load time and found that the first response time was 205 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dnt.mozilla.org performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.944

3/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

dnt.mozilla.org

205 ms

373 ms

site-bundle.6009f70fa7b1.js

4 ms

responsive-bundle.2b0724257ae0.css

10 ms

dnt-bundle.d362179b342a.css

15 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Dnt.mozilla.org, 72% (18 requests) were made to Mozilla.org and 12% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (402 ms) relates to the external source Mozilla.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.6 kB (24%)

Content Size

100.7 kB

After Optimization

76.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dnt.mozilla.org main page is 100.7 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. 40% of websites need less resources to load. Images take 48.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.7 kB

  • Original 30.9 kB
  • After minification 27.0 kB
  • After compression 7.2 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 3.9 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 23.7 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 845 B

  • Original 48.0 kB
  • After minification 47.1 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. Dnt Mozilla images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 68 B

  • Original 21.9 kB
  • After minification 21.9 kB
  • After compression 21.8 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.

Requests Breakdown

Number of requests can be reduced by 5 (31%)

Requests Now

16

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnt 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dnt.mozilla.org

dnt.mozilla.org

205 ms

373 ms

site-bundle.6009f70fa7b1.js

site-bundle.6009f70fa7b1.js

4 ms

responsive-bundle.2b0724257ae0.css

responsive-bundle.2b0724257ae0.css

10 ms

dnt-bundle.d362179b342a.css

dnt-bundle.d362179b342a.css

15 ms

common-bundle.f0a21783cc6e.js

common-bundle.f0a21783cc6e.js

402 ms

firefox_dnt-bundle.abe649a7c41e.js

firefox_dnt-bundle.abe649a7c41e.js

13 ms

gtm.js

gtm.js

69 ms

bg-gradient-sky.7ea325995978.png

bg-gradient-sky.7ea325995978.png

17 ms

grain.855f29e0c686.png

grain.855f29e0c686.png

15 ms

nav-sprite7.ce07626322a7.png

nav-sprite7.ce07626322a7.png

16 ms

tabzilla-static.953a65a1f4a4.png

tabzilla-static.953a65a1f4a4.png

26 ms

status-logo.fa586206a1f3.png

status-logo.fa586206a1f3.png

20 ms

screenshot.91af35948650.png

screenshot.91af35948650.png

17 ms

footer-mozilla.fafef0912042.png

footer-mozilla.fafef0912042.png

27 ms

OpenSans-Regular-webfont.2696e36f12c5.woff

OpenSans-Regular-webfont.2696e36f12c5.woff

23 ms

OpenSans-Bold-webfont.b9dc2e7aefec.woff

OpenSans-Bold-webfont.b9dc2e7aefec.woff

36 ms

analytics.js

analytics.js

20 ms

linkid.js

linkid.js

25 ms

OpenSans-Italic-webfont.fdc3518c128e.woff

OpenSans-Italic-webfont.fdc3518c128e.woff

12 ms

OpenSans-Light-webfont.1c8075cacedb.woff

OpenSans-Light-webfont.1c8075cacedb.woff

16 ms

OpenSans-Semibold-webfont.26755c681f8f.woff

OpenSans-Semibold-webfont.26755c681f8f.woff

21 ms

collect

collect

17 ms

collect

collect

57 ms

ga-audiences

ga-audiences

31 ms

Accessibility Review

dnt.mozilla.org accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dnt.mozilla.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

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dnt.mozilla.org SEO score

85

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

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

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 Dnt.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 Dnt.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

dnt.mozilla.org

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