Tools & Wizards About Us
ublockorigin.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ublockorigin.com

uBlock Origin - Free, open-source ad content blocker.

Page Load Speed

611 ms in total

First Response

65 ms

Resources Loaded

289 ms

Page Rendered

257 ms

ublockorigin.com screenshot

About Website

Visit ublockorigin.com now to see the best up-to-date UBlock Origin content for United States and also check out these interesting facts you probably never knew about ublockorigin.com

uBlock Origin is not just an “ad blocker“, it's a wide-spectrum content blocker with CPU and memory efficiency as a primary feature. Developed by Raymond Hill.

Visit ublockorigin.com

Key Findings

We analyzed Ublockorigin.com page load time and found that the first response time was 65 ms and then it took 546 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

ublockorigin.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

ublockorigin.com

65 ms

50 ms

css2

91 ms

style.css

27 ms

email-decode.min.js

23 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 91% of them (29 requests) were addressed to the original Ublockorigin.com, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (106 ms) belongs to the original domain Ublockorigin.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.5 kB (11%)

Content Size

193.2 kB

After Optimization

171.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ublockorigin.com main page is 193.2 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. 25% of websites need less resources to load. Images take 165.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 19.6 kB

  • Original 24.3 kB
  • After minification 15.3 kB
  • After compression 4.6 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 8.9 kB, which is 37% 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 19.6 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 1.5 kB

  • Original 165.3 kB
  • After minification 163.9 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. UBlock Origin images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 84 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 1.1 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

-13%

Potential reduce by 327 B

  • Original 2.5 kB
  • After minification 2.5 kB
  • After compression 2.1 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. Ublockorigin.com needs all CSS files to be minified and compressed as it can save up to 327 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UBlock Origin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

ublockorigin.com

ublockorigin.com

65 ms

50 ms

css2

css2

91 ms

style.css

style.css

27 ms

email-decode.min.js

email-decode.min.js

23 ms

jquery.min.js

jquery.min.js

28 ms

common.js

common.js

38 ms

uBlock-Origin.svg

uBlock-Origin.svg

41 ms

uBlock-Origin-Preview.png

uBlock-Origin-Preview.png

106 ms

github.svg

github.svg

38 ms

sliders.svg

sliders.svg

29 ms

firefox-black.svg

firefox-black.svg

32 ms

en.png

en.png

40 ms

triangle_arrow.svg

triangle_arrow.svg

53 ms

fr.png

fr.png

57 ms

de.png

de.png

59 ms

jp.png

jp.png

55 ms

it.png

it.png

57 ms

ru.png

ru.png

56 ms

es.png

es.png

57 ms

pl.png

pl.png

64 ms

zh.png

zh.png

73 ms

sr.png

sr.png

102 ms

sl.png

sl.png

64 ms

tr.png

tr.png

77 ms

chrome.svg

chrome.svg

15 ms

firefox.svg

firefox.svg

11 ms

edgechromium.svg

edgechromium.svg

9 ms

opera.svg

opera.svg

13 ms

ublock.svg

ublock.svg

20 ms

get_browser.php

get_browser.php

47 ms

font

font

22 ms

Accessibility Review

ublockorigin.com accessibility score

71

Accessibility Issues

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

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

ublockorigin.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ublockorigin.com 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

Document doesn't have a valid hreflang

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 Ublockorigin.com 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 Ublockorigin.com 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

ublockorigin.com

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