Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

cs-css.net

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Page Load Speed

15.6 sec in total

First Response

1.3 sec

Resources Loaded

12.9 sec

Page Rendered

1.4 sec

cs-css.net screenshot

About Website

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Visit cs-css.net

Key Findings

We analyzed Cs-css.net page load time and found that the first response time was 1.3 sec and then it took 14.3 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

cs-css.net performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value4,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

cs-css.net

1309 ms

jquery.min.js

3019 ms

widget.js

421 ms

functions.js

422 ms

showmap.js

427 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 69% of them (64 requests) were addressed to the original Cs-css.net, 4% (4 requests) were made to Acint.net and 4% (4 requests) were made to Openstat.net. The less responsive or slowest element that took the longest time to load (7.8 sec) relates to the external source Top-fwz1.mail.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 361.5 kB (47%)

Content Size

774.8 kB

After Optimization

413.3 kB

In fact, the total size of Cs-css.net main page is 774.8 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. Images take 362.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 162.5 kB

  • Original 188.8 kB
  • After minification 176.0 kB
  • After compression 26.3 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 162.5 kB or 86% of the original size.

Image Optimization

-14%

Potential reduce by 51.4 kB

  • Original 362.4 kB
  • After minification 311.0 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, Cs Css needs image optimization as it can save up to 51.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 92.0 kB

  • Original 156.6 kB
  • After minification 152.1 kB
  • After compression 64.6 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 92.0 kB or 59% of the original size.

CSS Optimization

-83%

Potential reduce by 55.5 kB

  • Original 67.0 kB
  • After minification 53.2 kB
  • After compression 11.5 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. Cs-css.net needs all CSS files to be minified and compressed as it can save up to 55.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (55%)

Requests Now

84

After Optimization

38

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs Css. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cs-css.net accessibility score

70

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.

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cs-css.net best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

cs-css.net SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs-css.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Cs-css.net main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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