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react-bootstrap.github.io screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

react-bootstrap.github.io

React Bootstrap | React Bootstrap

Page Load Speed

907 ms in total

First Response

82 ms

Resources Loaded

675 ms

Page Rendered

150 ms

react-bootstrap.github.io screenshot

About Website

Visit react-bootstrap.github.io now to see the best up-to-date React Bootstrap Github content for China and also check out these interesting facts you probably never knew about react-bootstrap.github.io

The most popular front-end framework, rebuilt for React

Visit react-bootstrap.github.io

Key Findings

We analyzed React-bootstrap.github.io page load time and found that the first response time was 82 ms and then it took 825 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

react-bootstrap.github.io performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

react-bootstrap.github.io

82 ms

bundle.css

98 ms

github-btn.html

96 ms

github-btn.html

145 ms

follow_button.html

85 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 45% of them (5 requests) were addressed to the original React-bootstrap.github.io, 18% (2 requests) were made to Ghbtns.com and 9% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (377 ms) belongs to the original domain React-bootstrap.github.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.5 kB (84%)

Content Size

251.4 kB

After Optimization

39.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of React-bootstrap.github.io main page is 251.4 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. 30% of websites need less resources to load. CSS take 147.8 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 88.2 kB

  • Original 99.5 kB
  • After minification 99.4 kB
  • After compression 11.3 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 88.2 kB or 89% of the original size.

Image Optimization

-31%

Potential reduce by 1.3 kB

  • Original 4.1 kB
  • After minification 2.9 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. Obviously, React Bootstrap Github needs image optimization as it can save up to 1.3 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-83%

Potential reduce by 122.1 kB

  • Original 147.8 kB
  • After minification 147.7 kB
  • After compression 25.7 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. React-bootstrap.github.io needs all CSS files to be minified and compressed as it can save up to 122.1 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of React Bootstrap Github. According to our analytics all requests are already optimized.

Network Requests Diagram

react-bootstrap.github.io

react-bootstrap.github.io

82 ms

bundle.css

bundle.css

98 ms

github-btn.html

github-btn.html

96 ms

github-btn.html

github-btn.html

145 ms

follow_button.html

follow_button.html

85 ms

bundle.js

bundle.js

245 ms

jot

jot

144 ms

info.json

info.json

114 ms

react-bootstrap

react-bootstrap

94 ms

logo.png

logo.png

86 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

377 ms

Accessibility Review

react-bootstrap.github.io accessibility score

97

Accessibility Issues

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

Best Practices

react-bootstrap.github.io 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

Page has valid source maps

SEO Factors

react-bootstrap.github.io SEO score

100

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

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 React-bootstrap.github.io 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 React-bootstrap.github.io 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

react-bootstrap.github.io

Open Graph description is not detected on the main page of React Bootstrap Github. 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: