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postcss.org screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

postcss.org

PostCSS - a tool for transforming CSS with JavaScript

Page Load Speed

618 ms in total

First Response

54 ms

Resources Loaded

262 ms

Page Rendered

302 ms

postcss.org screenshot

About Website

Click here to check amazing PostCSS content for China. Otherwise, check out these important facts you probably never knew about postcss.org

Transform CSS with the power of JavaScript. Auto-prefixing, future CSS syntaxes, modules, linting and more are possible with hundreds of PostCSS plugins.

Visit postcss.org

Key Findings

We analyzed Postcss.org page load time and found that the first response time was 54 ms and then it took 564 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

postcss.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

postcss.org

54 ms

statinamic-client.b9579cc14f62defed71f.css

10 ms

css

67 ms

css

91 ms

statinamic-client.b9579cc14f62defed71f.js

57 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Postcss.org, 10% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (94 ms) belongs to the original domain Postcss.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 41.0 kB (38%)

Content Size

106.9 kB

After Optimization

65.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Postcss.org main page is 106.9 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. 20% of websites need less resources to load. Images take 61.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 27.9 kB

  • Original 33.3 kB
  • After minification 33.3 kB
  • After compression 5.4 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 27.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 3.5 kB

  • Original 61.0 kB
  • After minification 57.6 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. PostCSS images are well optimized though.

CSS Optimization

-76%

Potential reduce by 9.6 kB

  • Original 12.6 kB
  • After minification 12.6 kB
  • After compression 3.0 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. Postcss.org needs all CSS files to be minified and compressed as it can save up to 9.6 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PostCSS. According to our analytics all requests are already optimized.

Network Requests Diagram

postcss.org

postcss.org

54 ms

statinamic-client.b9579cc14f62defed71f.css

statinamic-client.b9579cc14f62defed71f.css

10 ms

css

css

67 ms

css

css

91 ms

statinamic-client.b9579cc14f62defed71f.js

statinamic-client.b9579cc14f62defed71f.js

57 ms

postcss.svg

postcss.svg

35 ms

autoprefixer.svg

autoprefixer.svg

7 ms

cssnext.svg

cssnext.svg

30 ms

css-modules.svg

css-modules.svg

25 ms

stylelint.svg

stylelint.svg

31 ms

google.svg

google.svg

28 ms

wordpress.svg

wordpress.svg

35 ms

jetbrains.svg

jetbrains.svg

39 ms

taobao.svg

taobao.svg

41 ms

evilmartians.svg

evilmartians.svg

36 ms

alchemy.jpg

alchemy.jpg

94 ms

burst.svg

burst.svg

6 ms

flowers.svg

flowers.svg

7 ms

twitter.svg

twitter.svg

8 ms

gitter.svg

gitter.svg

3 ms

github.svg

github.svg

7 ms

Accessibility Review

postcss.org accessibility score

100

Accessibility Issues

Best Practices

postcss.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

High

Page has valid source maps

SEO Factors

postcss.org 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postcss.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 Postcss.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

postcss.org

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