Tools & Wizards About Us
jabber.cz screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

jabber.cz

Jabbim - Jabber.cz je Jabbim.cz

Page Load Speed

1.9 sec in total

First Response

750 ms

Resources Loaded

1.1 sec

Page Rendered

86 ms

jabber.cz screenshot

About Website

Click here to check amazing Jabber content. Otherwise, check out these important facts you probably never knew about jabber.cz

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Key Findings

We analyzed Jabber.cz page load time and found that the first response time was 750 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jabber.cz performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

www.jabber.cz

750 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Jabber.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (750 ms) belongs to the original domain Jabber.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 332 B (46%)

Content Size

723 B

After Optimization

391 B

  • HTML

In fact, the total size of Jabber.cz main page is 723 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 723 B which makes up the majority of the site volume.

HTML Optimization

-46%

Potential reduce by 332 B

  • Original 723 B
  • After minification 663 B
  • After compression 391 B

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 332 B or 46% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

www.jabber.cz

www.jabber.cz

750 ms

Accessibility Review

jabber.cz accessibility score

100

Accessibility Issues

Best Practices

jabber.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

jabber.cz SEO score

64

Search Engine Optimization Advices

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 Jabber.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 Jabber.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

jabber.cz

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