Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

trafika.cz

Trafika.cz - zprávy, denní tisk

Page Load Speed

4.6 sec in total

First Response

636 ms

Resources Loaded

3.7 sec

Page Rendered

275 ms

trafika.cz screenshot

About Website

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

Trafika - zprávy aktuální monitoring zpravodajství

Visit trafika.cz

Key Findings

We analyzed Trafika.cz page load time and found that the first response time was 636 ms and then it took 3.9 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

trafika.cz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value15.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value34.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

trafika.cz

636 ms

style3.css

466 ms

get-js.php

533 ms

get-js.php

539 ms

get-js.php

534 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 14% of them (4 requests) were addressed to the original Trafika.cz, 17% (5 requests) were made to Googleads.g.doubleclick.net and 17% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Inet-servis.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.8 kB (55%)

Content Size

134.4 kB

After Optimization

60.6 kB

In fact, the total size of Trafika.cz main page is 134.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 40.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.1 kB

  • Original 37.8 kB
  • After minification 30.0 kB
  • After compression 7.6 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 7.7 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 30.1 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 945 B

  • Original 40.2 kB
  • After minification 39.2 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. Trafika images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 10.6 kB

  • Original 17.7 kB
  • After minification 17.5 kB
  • After compression 7.1 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 10.6 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 32.2 kB

  • Original 38.7 kB
  • After minification 28.3 kB
  • After compression 6.5 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. Trafika.cz needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (22%)

Requests Now

27

After Optimization

21

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trafika. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

trafika.cz accessibility score

77

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

[aria-*] attributes do not match their roles

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

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

trafika.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

trafika.cz SEO score

77

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 Trafika.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 Trafika.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 Trafika. 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: