Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

1blocker.com

1Blocker - The Fastest and Most Powerful Safari Content Blocker for iPhone, iPad and Mac

Page Load Speed

626 ms in total

First Response

154 ms

Resources Loaded

207 ms

Page Rendered

265 ms

1blocker.com screenshot

About Website

Click here to check amazing 1Blocker content for United States. Otherwise, check out these important facts you probably never knew about 1blocker.com

1Blocker lets you block ads, trackers, and other unwanted web content. It's easy to use and doesn’t slow down Safari. 1Blocker comes with over 120,000 built-in blocker rules. It is very configura...

Visit 1blocker.com

Key Findings

We analyzed 1blocker.com page load time and found that the first response time was 154 ms and then it took 472 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

1blocker.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value4,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.236

53/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

1blocker.com

154 ms

style.css

32 ms

icon.png

8 ms

badge.svg

9 ms

ads.png

21 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to 1blocker.com and no external sources were called. The less responsive or slowest element that took the longest time to load (154 ms) belongs to the original domain 1blocker.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.5 kB (7%)

Content Size

1.6 MB

After Optimization

1.5 MB

In fact, the total size of 1blocker.com main page is 1.6 MB. 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. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 5.0 kB

  • Original 7.0 kB
  • After minification 5.7 kB
  • After compression 2.0 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 1.3 kB, which is 19% 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 5.0 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 106.2 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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. 1Blocker images are well optimized though.

CSS Optimization

-84%

Potential reduce by 6.3 kB

  • Original 7.5 kB
  • After minification 5.3 kB
  • After compression 1.2 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. 1blocker.com needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1Blocker. According to our analytics all requests are already optimized.

Accessibility Review

1blocker.com accessibility score

91

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

1blocker.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

1blocker.com SEO score

98

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 1blocker.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 1blocker.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

Open Graph data is detected on the main page of 1Blocker. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: