Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

rozjezdy.cz

T-Mobile Rozjezdy | T-Mobile Rozjezdy

Page Load Speed

4.4 sec in total

First Response

418 ms

Resources Loaded

3.6 sec

Page Rendered

398 ms

rozjezdy.cz screenshot

About Website

Visit rozjezdy.cz now to see the best up-to-date Rozjezdy content for Czech Republic and also check out these interesting facts you probably never knew about rozjezdy.cz

T-Mobile Rozjezdy jsou mnohem víc než jen soutěž pro začínající podnikatele. Na prvním místě jsou to bezplatné semináře s odborníky a poradenství. Jak se říká: Dobrá rada nad zlato. Vítězové pak se sv...

Visit rozjezdy.cz

Key Findings

We analyzed Rozjezdy.cz page load time and found that the first response time was 418 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

rozjezdy.cz performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

rozjezdy.cz

418 ms

js

24 ms

infobox.js

47 ms

desktop.css

438 ms

desktop.js

1003 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 51% of them (58 requests) were addressed to the original Rozjezdy.cz, 22% (25 requests) were made to Maps.google.com and 10% (11 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rozjezdy.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 814.5 kB (24%)

Content Size

3.4 MB

After Optimization

2.6 MB

In fact, the total size of Rozjezdy.cz main page is 3.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 65.9 kB

  • Original 80.4 kB
  • After minification 69.0 kB
  • After compression 14.5 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 11.3 kB, which is 14% 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 65.9 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 91.3 kB

  • Original 2.4 MB
  • After minification 2.3 MB

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. Rozjezdy images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 572.4 kB

  • Original 867.4 kB
  • After minification 852.4 kB
  • After compression 295.0 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 572.4 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 84.9 kB

  • Original 99.8 kB
  • After minification 99.7 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. Rozjezdy.cz needs all CSS files to be minified and compressed as it can save up to 84.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (18%)

Requests Now

102

After Optimization

84

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rozjezdy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rozjezdy.cz accessibility score

76

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

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>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rozjezdy.cz best practices score

77

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

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rozjezdy.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rozjezdy.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Rozjezdy.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 data is detected on the main page of Rozjezdy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: