Tools & Wizards About Us
linuxexpres.cz screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

linuxexpres.cz

Linux E X P R E S

Page Load Speed

4.3 sec in total

First Response

311 ms

Resources Loaded

3.6 sec

Page Rendered

363 ms

linuxexpres.cz screenshot

About Website

Click here to check amazing Linux E X P R S content for Czech Republic. Otherwise, check out these important facts you probably never knew about linuxexpres.cz

Opravdový linuxový magazín. Naleznete zde recenze, návody a informace o software a hardware.

Visit linuxexpres.cz

Key Findings

We analyzed Linuxexpres.cz page load time and found that the first response time was 311 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

linuxexpres.cz performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

linuxexpres.cz

311 ms

www.linuxexpres.cz

1352 ms

api.js

55 ms

analytics.js

35 ms

js

68 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 55% of them (41 requests) were addressed to the original Linuxexpres.cz, 12% (9 requests) were made to Openoffice.cz and 5% (4 requests) were made to Ccb.cz. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Linuxexpres.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.6 kB (8%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Linuxexpres.cz main page is 1.4 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. 55% of websites need less resources to load. Images take 741.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 42.9 kB

  • Original 55.6 kB
  • After minification 50.9 kB
  • After compression 12.8 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 42.9 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 37.5 kB

  • Original 741.2 kB
  • After minification 703.7 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. Linux E X P R S images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 28.2 kB

  • Original 593.4 kB
  • After minification 593.4 kB
  • After compression 565.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-17%

Potential reduce by 3.0 kB

  • Original 17.9 kB
  • After minification 17.9 kB
  • After compression 14.9 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. Linuxexpres.cz needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (32%)

Requests Now

73

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linux E X P R S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

linuxexpres.cz

linuxexpres.cz

311 ms

www.linuxexpres.cz

www.linuxexpres.cz

1352 ms

api.js

api.js

55 ms

analytics.js

analytics.js

35 ms

js

js

68 ms

main.css

main.css

167 ms

inline.css

inline.css

233 ms

prototype.js

prototype.js

454 ms

scriptaculous.js

scriptaculous.js

345 ms

qcm.js

qcm.js

349 ms

global.js

global.js

342 ms

show_ads.js

show_ads.js

162 ms

plusone.js

plusone.js

102 ms

recaptcha__en.js

recaptcha__en.js

116 ms

builder.js

builder.js

114 ms

effects.js

effects.js

110 ms

dragdrop.js

dragdrop.js

119 ms

controls.js

controls.js

117 ms

slider.js

slider.js

112 ms

sound.js

sound.js

118 ms

qcmclient.js

qcmclient.js

110 ms

qcmtools.js

qcmtools.js

111 ms

7f68a5c90cb3f64228a6c5605c6796a0.jpg

7f68a5c90cb3f64228a6c5605c6796a0.jpg

957 ms

18be5c86ef71414b8ee869aa95af4a26.jpg

18be5c86ef71414b8ee869aa95af4a26.jpg

753 ms

5944.jpg

5944.jpg

759 ms

04-system4u-01.jpg

04-system4u-01.jpg

760 ms

03-fortinet-01.jpg

03-fortinet-01.jpg

865 ms

01-zebra-02.jpg

01-zebra-02.jpg

962 ms

01-appsec-01.jpg

01-appsec-01.jpg

1264 ms

70582a97ef2ef3f8239b2e63cacc9d4d.png

70582a97ef2ef3f8239b2e63cacc9d4d.png

1051 ms

body-bg3.png

body-bg3.png

214 ms

header-bg.png

header-bg.png

111 ms

logo-new.png

logo-new.png

252 ms

12303.jpg

12303.jpg

251 ms

12304.jpg

12304.jpg

363 ms

12305.jpg

12305.jpg

249 ms

12306.jpg

12306.jpg

249 ms

nitrux_perex.png

nitrux_perex.png

325 ms

all-clanek.gif

all-clanek.gif

335 ms

steam.png

steam.png

331 ms

tails_perex.png

tails_perex.png

332 ms

ubuntu.png

ubuntu.png

329 ms

endeavouros_perex.png

endeavouros_perex.png

430 ms

ceskodigital.png

ceskodigital.png

489 ms

fedora2022perex.png

fedora2022perex.png

490 ms

centos_perex.png

centos_perex.png

489 ms

linuxmint2021.png

linuxmint2021.png

490 ms

search_btn.png

search_btn.png

491 ms

tdf.png

tdf.png

860 ms

5928.jpg

5928.jpg

963 ms

5931.jpg

5931.jpg

1068 ms

openoffice.jpg

openoffice.jpg

1069 ms

5884.jpg

5884.jpg

1069 ms

office365.png

office365.png

1070 ms

6016.jpg

6016.jpg

1173 ms

installfest_s.png

installfest_s.png

1070 ms

857b2b069e0626ab7511b653684029d7.jpg

857b2b069e0626ab7511b653684029d7.jpg

1150 ms

main-bg.png

main-bg.png

509 ms

adsbygoogle.js

adsbygoogle.js

99 ms

upoutavka200-elasticsearch4.png

upoutavka200-elasticsearch4.png

837 ms

upoutavka200-pgp-gpg.jpg

upoutavka200-pgp-gpg.jpg

937 ms

upoutavka200-python3b.jpg

upoutavka200-python3b.jpg

1139 ms

tagline_left.png

tagline_left.png

488 ms

tagline_right.png

tagline_right.png

497 ms

hodnoceni.png

hodnoceni.png

494 ms

li.png

li.png

494 ms

collect

collect

18 ms

collect

collect

28 ms

js

js

92 ms

show_ads_impl.js

show_ads_impl.js

228 ms

zrt_lookup.html

zrt_lookup.html

46 ms

ads

ads

331 ms

ads

ads

95 ms

print.css

print.css

110 ms

handheld.css

handheld.css

110 ms

Accessibility Review

linuxexpres.cz accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

linuxexpres.cz best practices score

75

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

Page has valid source maps

SEO Factors

linuxexpres.cz 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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

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

linuxexpres.cz

Open Graph description is not detected on the main page of Linux E X P R S. 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: