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chess.bitnik.org screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

chess.bitnik.org

Surveillance Chess / Video / !Mediengruppe Bitnik

Page Load Speed

1.1 sec in total

First Response

243 ms

Resources Loaded

727 ms

Page Rendered

99 ms

chess.bitnik.org screenshot

About Website

Click here to check amazing Chess Bitnik content for Germany. Otherwise, check out these important facts you probably never knew about chess.bitnik.org

Surveillance Chess - Hijacking CCTV Cameras in London by !Mediengruppe Bitnik

Visit chess.bitnik.org

Key Findings

We analyzed Chess.bitnik.org page load time and found that the first response time was 243 ms and then it took 826 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

chess.bitnik.org performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

chess.bitnik.org

243 ms

chess.css

211 ms

bootstrap-responsive.css

222 ms

jquery-1.7.2.min.js

287 ms

bootstrap-transition.js

287 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 48% of them (10 requests) were addressed to the original Chess.bitnik.org, 19% (4 requests) were made to F.vimeocdn.com and 10% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (445 ms) belongs to the original domain Chess.bitnik.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 528.7 kB (70%)

Content Size

755.1 kB

After Optimization

226.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chess.bitnik.org main page is 755.1 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. 45% of websites need less resources to load. Javascripts take 454.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 3.2 kB

  • Original 4.2 kB
  • After minification 2.4 kB
  • After compression 949 B

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 1.7 kB, which is 41% 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 3.2 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 701 B

  • Original 39.8 kB
  • After minification 39.1 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. Chess Bitnik images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 299.8 kB

  • Original 454.1 kB
  • After minification 454.1 kB
  • After compression 154.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 299.8 kB or 66% of the original size.

CSS Optimization

-88%

Potential reduce by 225.0 kB

  • Original 256.9 kB
  • After minification 249.4 kB
  • After compression 32.0 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. Chess.bitnik.org needs all CSS files to be minified and compressed as it can save up to 225.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (63%)

Requests Now

19

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chess Bitnik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chess.bitnik.org

chess.bitnik.org

243 ms

chess.css

chess.css

211 ms

bootstrap-responsive.css

bootstrap-responsive.css

222 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

287 ms

bootstrap-transition.js

bootstrap-transition.js

287 ms

bootstrap-modal.js

bootstrap-modal.js

286 ms

bootstrap-dropdown.js

bootstrap-dropdown.js

285 ms

bootstrap-tooltip.js

bootstrap-tooltip.js

403 ms

bootstrap-button.js

bootstrap-button.js

421 ms

logo_suitecase.png

logo_suitecase.png

445 ms

46236909

46236909

95 ms

player.js

player.js

106 ms

player.css

player.css

76 ms

ga.js

ga.js

37 ms

vuid.min.js

vuid.min.js

75 ms

__utm.gif

__utm.gif

33 ms

css

css

105 ms

proxy.html

proxy.html

53 ms

10559854_60x60.jpg

10559854_60x60.jpg

122 ms

2Q-AW1e_taO6pHwMXcXW5w.ttf

2Q-AW1e_taO6pHwMXcXW5w.ttf

19 ms

nr-885.min.js

nr-885.min.js

92 ms

Accessibility Review

chess.bitnik.org accessibility score

73

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

chess.bitnik.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chess.bitnik.org SEO score

92

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

Image elements do not have [alt] attributes

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 Chess.bitnik.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 Chess.bitnik.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

chess.bitnik.org

Open Graph description is not detected on the main page of Chess Bitnik. 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: