Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 91

    SEO

    Google-friendlier than
    76% of websites

wikipedia.org

Wikipedia

Page Load Speed

14.5 sec in total

First Response

2.1 sec

Resources Loaded

7.8 sec

Page Rendered

4.7 sec

wikipedia.org screenshot

About Website

Welcome to wikipedia.org homepage info - get ready to check Wikipedia best content for United States right away, or after learning these important things about wikipedia.org

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Visit wikipedia.org

Key Findings

We analyzed Wikipedia.org page load time and found that the first response time was 2.1 sec and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

wikipedia.org performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

www.wikipedia.org

2101 ms

index-82fb34c988.js

4664 ms

gt-ie9-011f8dbfa9.js

4472 ms

Wikipedia_wordmark.png

4472 ms

Wikipedia-logo-v2.png

4471 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Wikipedia.org and no external sources were called. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Wikipedia.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.6 kB (58%)

Content Size

158.7 kB

After Optimization

67.1 kB

In fact, the total size of Wikipedia.org main page is 158.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 86.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 67.0 kB

  • Original 86.7 kB
  • After minification 85.1 kB
  • After compression 19.7 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 67.0 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 8 B

  • Original 32.7 kB
  • After minification 32.7 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. Wikipedia images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 24.6 kB

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 14.7 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 24.6 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wikipedia. According to our analytics all requests are already optimized.

Accessibility Review

wikipedia.org accessibility score

89

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

Form elements do not have associated labels

Best Practices

wikipedia.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

SEO Factors

wikipedia.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

    MUL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wikipedia.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Wikipedia.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

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