Tools & Wizards About Us
en.wikibooks.org screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

en.wikibooks.org

Wikibooks

Page Load Speed

540 ms in total

First Response

9 ms

Resources Loaded

294 ms

Page Rendered

237 ms

en.wikibooks.org screenshot

About Website

Click here to check amazing En Wikibooks content for United States. Otherwise, check out these important facts you probably never knew about en.wikibooks.org

Visit en.wikibooks.org

Key Findings

We analyzed En.wikibooks.org page load time and found that the first response time was 9 ms and then it took 531 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

en.wikibooks.org performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

Main_Page

9 ms

load.php

8 ms

load.php

22 ms

load.php

27 ms

299px-Flag_of_Europe_waving.svg.png

34 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 58% of them (23 requests) were addressed to the original En.wikibooks.org, 43% (17 requests) were made to Upload.wikimedia.org. The less responsive or slowest element that took the longest time to load (88 ms) relates to the external source Upload.wikimedia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.0 kB (26%)

Content Size

223.7 kB

After Optimization

164.7 kB

  • HTML
  • Images

In fact, the total size of En.wikibooks.org main page is 223.7 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 166.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.1 kB

  • Original 57.6 kB
  • After minification 55.4 kB
  • After compression 13.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 44.1 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 14.9 kB

  • Original 166.1 kB
  • After minification 151.2 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. En Wikibooks images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 17 (44%)

Requests Now

39

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Wikibooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Main_Page

Main_Page

9 ms

load.php

load.php

8 ms

load.php

load.php

22 ms

load.php

load.php

27 ms

299px-Flag_of_Europe_waving.svg.png

299px-Flag_of_Europe_waving.svg.png

34 ms

210px-World_at_Work_Cover.png

210px-World_at_Work_Cover.png

45 ms

279px-Mejadrah.s.jpg

279px-Mejadrah.s.jpg

50 ms

60px-Wikiversity-logo.svg.png

60px-Wikiversity-logo.svg.png

49 ms

53px-Wikipedia-logo-v2.svg.png

53px-Wikipedia-logo-v2.svg.png

49 ms

48px-Wiktionary_small.svg.png

48px-Wiktionary_small.svg.png

82 ms

40px-Wikiquote-logo.svg.png

40px-Wikiquote-logo.svg.png

81 ms

46px-Wikisource-logo.svg.png

46px-Wikisource-logo.svg.png

82 ms

41px-Wikispecies-logo.svg.png

41px-Wikispecies-logo.svg.png

84 ms

88px-Wikinews-logo.svg.png

88px-Wikinews-logo.svg.png

84 ms

48px-Wikivoyage-Logo-v3-icon.svg.png

48px-Wikivoyage-Logo-v3-icon.svg.png

84 ms

86px-Wikidata-logo.svg.png

86px-Wikidata-logo.svg.png

85 ms

36px-Commons-logo.svg.png

36px-Commons-logo.svg.png

86 ms

48px-Wikimedia_Community_Logo.svg.png

48px-Wikimedia_Community_Logo.svg.png

88 ms

62px-MediaWiki-notext.svg.png

62px-MediaWiki-notext.svg.png

87 ms

48px-Phacility_phabricator_logo.png

48px-Phacility_phabricator_logo.png

87 ms

48px-Wikimedia_labs_logo.svg.png

48px-Wikimedia_labs_logo.svg.png

88 ms

index.php

index.php

8 ms

index.php

index.php

73 ms

index.php

index.php

9 ms

index.php

index.php

11 ms

index.php

index.php

13 ms

index.php

index.php

15 ms

index.php

index.php

15 ms

index.php

index.php

14 ms

index.php

index.php

15 ms

index.php

index.php

18 ms

index.php

index.php

25 ms

index.php

index.php

24 ms

load.php

load.php

24 ms

load.php

load.php

74 ms

load.php

load.php

79 ms

load.php

load.php

58 ms

enwikibooks.png

enwikibooks.png

17 ms

wikimedia-button.png

wikimedia-button.png

17 ms

poweredby_mediawiki_88x31.png

poweredby_mediawiki_88x31.png

18 ms

Accessibility Review

en.wikibooks.org accessibility score

98

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.

Best Practices

en.wikibooks.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

en.wikibooks.org SEO score

91

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 En.wikibooks.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 En.wikibooks.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

en.wikibooks.org

Open Graph description is not detected on the main page of En Wikibooks. 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: