Tools & Wizards About Us
abclinuxu.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

abclinuxu.cz

AbcLinuxu.cz - Linux na stříbrném podnose

Page Load Speed

4.7 sec in total

First Response

324 ms

Resources Loaded

3.8 sec

Page Rendered

553 ms

abclinuxu.cz screenshot

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 324 ms and then it took 4.4 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

abclinuxu.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value4,650 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

abclinuxu.cz

324 ms

www.abclinuxu.cz

820 ms

ui.all.css

215 ms

prettyPhoto.css

413 ms

styles.css

323 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 63% of them (37 requests) were addressed to the original Abclinuxu.cz, 7% (4 requests) were made to Linkbox.argonit.cz and 5% (3 requests) were made to Spir.hit.gemius.pl. The less responsive or slowest element that took the longest time to load (956 ms) relates to the external source Bbcdn.go.eu.bbelements.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 425.6 kB (32%)

Content Size

1.3 MB

After Optimization

910.5 kB

  • 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. 20% of websites need less resources to load. Images take 833.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 79.7 kB

  • Original 100.2 kB
  • After minification 80.4 kB
  • After compression 20.5 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 19.8 kB, which is 20% 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 79.7 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 58.6 kB

  • Original 833.2 kB
  • After minification 774.5 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

-64%

Potential reduce by 154.1 kB

  • Original 239.0 kB
  • After minification 215.9 kB
  • After compression 84.9 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 154.1 kB or 64% of the original size.

CSS Optimization

-81%

Potential reduce by 133.2 kB

  • Original 163.7 kB
  • After minification 140.1 kB
  • After compression 30.5 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. Abclinuxu.cz needs all CSS files to be minified and compressed as it can save up to 133.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (68%)

Requests Now

56

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 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 12 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

abclinuxu.cz

abclinuxu.cz

324 ms

www.abclinuxu.cz

www.abclinuxu.cz

820 ms

ui.all.css

ui.all.css

215 ms

prettyPhoto.css

prettyPhoto.css

413 ms

styles.css

styles.css

323 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

638 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

539 ms

scripts.js

scripts.js

616 ms

ui.base.css

ui.base.css

137 ms

ui.theme.css

ui.theme.css

431 ms

bb_one2n.js

bb_one2n.js

685 ms

layout.css

layout.css

372 ms

shCore.css

shCore.css

201 ms

shThemeDefault.css

shThemeDefault.css

305 ms

ui.core.css

ui.core.css

303 ms

ui.resizable.css

ui.resizable.css

374 ms

ui.accordion.css

ui.accordion.css

390 ms

ui.dialog.css

ui.dialog.css

399 ms

ui.slider.css

ui.slider.css

403 ms

ui.tabs.css

ui.tabs.css

410 ms

ui.datepicker.css

ui.datepicker.css

458 ms

ui.progressbar.css

ui.progressbar.css

477 ms

temp.css

temp.css

149 ms

huawei-partner-congress-01_s.JPG

huawei-partner-congress-01_s.JPG

643 ms

equalizer-recenze-blu-ray.jpg

equalizer-recenze-blu-ray.jpg

332 ms

http-www-abclinuxu-cz-clanky-hw-novinky-seagate-sklapl-krovky-a-jde-do-helia.jpg

http-www-abclinuxu-cz-clanky-hw-novinky-seagate-sklapl-krovky-a-jde-do-helia.jpg

442 ms

naklady-na-ostrahu-hranice-usa-drony-28-000-dolaru-na-jedno-zatceni.jpg

naklady-na-ostrahu-hranice-usa-drony-28-000-dolaru-na-jedno-zatceni.jpg

651 ms

narazum-rezistentni-dron-vyhral-1-milion-dolaru.jpg

narazum-rezistentni-dron-vyhral-1-milion-dolaru.jpg

656 ms

ab.gif

ab.gif

118 ms

ib.gif

ib.gif

109 ms

hd.gif

hd.gif

116 ms

pr.gif

pr.gif

114 ms

itbiz-minilogo.png

itbiz-minilogo.png

120 ms

feed12.png

feed12.png

111 ms

vyreseno.gif

vyreseno.gif

213 ms

digest.png

digest.png

216 ms

218242-manjaro-mnohem-mene-bugujici-plasma-nez-v-kubuntu-listing-6403134165857339733.png

218242-manjaro-mnohem-mene-bugujici-plasma-nez-v-kubuntu-listing-6403134165857339733.png

656 ms

218221-manjaro-listing-1581827115819501439.png

218221-manjaro-listing-1581827115819501439.png

696 ms

218165-workoholikuv-thinkpad-listing-8882363727654053583.png

218165-workoholikuv-thinkpad-listing-8882363727654053583.png

338 ms

xgemius.js

xgemius.js

307 ms

311 ms

fpdata.js

fpdata.js

109 ms

b674359_1.jpg

b674359_1.jpg

677 ms

bbnaut-lib-1.7.5.min.js

bbnaut-lib-1.7.5.min.js

338 ms

lsget.html

lsget.html

251 ms

abc-logo.gif

abc-logo.gif

118 ms

ext-arrow-27648d.gif

ext-arrow-27648d.gif

114 ms

jobs-new.png

jobs-new.png

117 ms

jobs-li.png

jobs-li.png

116 ms

rexdot.js

rexdot.js

100 ms

ga.js

ga.js

30 ms

290 ms

__utm.gif

__utm.gif

12 ms

b658888_1.jpg

b658888_1.jpg

617 ms

b628151_1.jpg

b628151_1.jpg

956 ms

CZ_EN_CeBIT2016_300x250.jpg

CZ_EN_CeBIT2016_300x250.jpg

554 ms

231 ms

co

co

216 ms

267 ms

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

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

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

abclinuxu.cz

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: