Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

abclinuxu.cz

AbcLinuxu.cz - Linux na stříbrném podnose

Page Load Speed

3.7 sec in total

First Response

302 ms

Resources Loaded

3 sec

Page Rendered

357 ms

About Website

Click here to check amazing Abc Linuxu content for Czech Republic. Otherwise, check out these important facts you probably never knew about abclinuxu.cz

Komunitní portál: Linux, Open Source, BSD a jiné unixy. Nejvíce funkcí, nejaktivnější poradna, nejživější blogy. Pozor - návykové.

Visit abclinuxu.cz

Key Findings

We analyzed Abclinuxu.cz page load time and found that the first response time was 302 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

abclinuxu.cz performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

abclinuxu.cz

302 ms

www.abclinuxu.cz

288 ms

www.abclinuxu.cz

516 ms

ui.all.css

97 ms

prettyPhoto.css

192 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 67% of them (36 requests) were addressed to the original Abclinuxu.cz, 11% (6 requests) were made to Tpc.googlesyndication.com and 6% (3 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (699 ms) relates to the external source Bbcdn.go.eu.bbelements.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 292.3 kB (22%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Abclinuxu.cz main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Javascripts take 598.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 70.6 kB

  • Original 87.9 kB
  • After minification 68.7 kB
  • After compression 17.3 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. This page needs HTML code to be minified as it can gain 19.2 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 70.6 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 51.5 kB

  • Original 533.9 kB
  • After minification 482.4 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. Abc Linuxu images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 98.2 kB

  • Original 598.2 kB
  • After minification 579.7 kB
  • After compression 500.0 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 98.2 kB or 16% of the original size.

CSS Optimization

-82%

Potential reduce by 72.0 kB

  • Original 88.1 kB
  • After minification 73.4 kB
  • After compression 16.1 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. Abclinuxu.cz needs all CSS files to be minified and compressed as it can save up to 72.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (68%)

Requests Now

50

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Abc Linuxu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

abclinuxu.cz accessibility score

55

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

abclinuxu.cz best practices score

58

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

High

Page has valid source maps

SEO Factors

abclinuxu.cz SEO score

71

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abclinuxu.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Abclinuxu.cz 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 Abc Linuxu. 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: