Tools & Wizards About Us
tvrtm.cz screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

tvrtm.cz

DVB-T2 – jak přejít a vybrat televizi, anténu a settopbox | Rexter.cz

Page Load Speed

5.1 sec in total

First Response

918 ms

Resources Loaded

3.6 sec

Page Rendered

577 ms

tvrtm.cz screenshot

About Website

Welcome to tvrtm.cz homepage info - get ready to check Tvrtm best content right away, or after learning these important things about tvrtm.cz

Přechod na DVB-T2 je zde a je potřeba, abyste byli náležitě připraveni. Budete potřebovat novou televizi, nebo nový set-top box? Podle čeho vybírat a na co si dávat pozor? Poradíme!

Visit tvrtm.cz

Key Findings

We analyzed Tvrtm.cz page load time and found that the first response time was 918 ms and then it took 4.2 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

tvrtm.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

52/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value2,740 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.456

20/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

dvb-t2-vysilani-anteny-televize-a-set-top-boxy_245.html

918 ms

export-obsah.php

126 ms

export-obsah.php

253 ms

css

38 ms

adsbygoogle.js

165 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Tvrtm.cz, 12% (3 requests) were made to Administrace.gto.cz and 8% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Sedesatka.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.6 kB (14%)

Content Size

219.5 kB

After Optimization

187.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tvrtm.cz main page is 219.5 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. 35% of websites need less resources to load. Javascripts take 98.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 31.4 kB

  • Original 45.6 kB
  • After minification 44.8 kB
  • After compression 14.2 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 31.4 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 79 B

  • Original 74.8 kB
  • After minification 74.8 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. Tvrtm images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 33 B

  • Original 98.8 kB
  • After minification 98.8 kB
  • After compression 98.8 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

-18%

Potential reduce by 40 B

  • Original 218 B
  • After minification 218 B
  • After compression 178 B

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. Tvrtm.cz needs all CSS files to be minified and compressed as it can save up to 40 B or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (39%)

Requests Now

23

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvrtm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dvb-t2-vysilani-anteny-televize-a-set-top-boxy_245.html

dvb-t2-vysilani-anteny-televize-a-set-top-boxy_245.html

918 ms

export-obsah.php

export-obsah.php

126 ms

export-obsah.php

export-obsah.php

253 ms

css

css

38 ms

adsbygoogle.js

adsbygoogle.js

165 ms

gtm.js

gtm.js

71 ms

icon-ZH-White.svg

icon-ZH-White.svg

727 ms

facebook-header-ico.png

facebook-header-ico.png

701 ms

instagram-header-ico.png

instagram-header-ico.png

709 ms

logo.svg

logo.svg

1779 ms

facebook-header-ico.png

facebook-header-ico.png

1481 ms

instagram-header2.png

instagram-header2.png

1744 ms

main-nav-gradient-bgr.png

main-nav-gradient-bgr.png

1508 ms

box-heading-bgr.png

box-heading-bgr.png

1934 ms

icons.svg

icons.svg

1483 ms

prechod-na-dvb-t2-vas-bude-neco-stat---bud-na-nove-televizi,-nebo-na-set-top-boxu..._590x388.jpg

prechod-na-dvb-t2-vas-bude-neco-stat---bud-na-nove-televizi,-nebo-na-set-top-boxu..._590x388.jpg

1857 ms

li-square.png

li-square.png

1587 ms

naladit-nove-programy-ve-vysokem-rozliseni-je-hracka._590x390.jpg

naladit-nove-programy-ve-vysokem-rozliseni-je-hracka._590x390.jpg

1809 ms

sipka.gif

sipka.gif

1794 ms

na-set-top-boxech-hledejte-toto-oznaceni,-vyhnete-se-problemum-s-nekompatibilitou._590x404.jpg

na-set-top-boxech-hledejte-toto-oznaceni,-vyhnete-se-problemum-s-nekompatibilitou._590x404.jpg

1938 ms

sub-box-heading-bgr.png

sub-box-heading-bgr.png

1989 ms

security-image.php

security-image.php

1902 ms

js

js

65 ms

gothamnarrow-bold-webfont.woff

gothamnarrow-bold-webfont.woff

1783 ms

print.css

print.css

116 ms

Accessibility Review

tvrtm.cz accessibility score

98

Accessibility Issues

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

Best Practices

tvrtm.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tvrtm.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 Tvrtm.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 Tvrtm.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

tvrtm.cz

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