Access ceskatelevize.cz. Česká televize

Report Summary

About Website

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

Sledujte ČT on-line. Zpravodajství, publicistika, sport, počasí, pořady od A do Z. Programy ČT1, ČT2, ČT24, ČT sport a videoarchiv iVysílání. Česká veřejnoprávní televize.

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name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value5,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

ceskatelevize.cz

226 ms

www.ceskatelevize.cz

5857 ms

basic.css

552 ms

basic-responsive.css

672 ms

navigation.css

581 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Ceskatelevize.cz, 79% (89 requests) were made to Imgct.ceskatelevize.cz and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Ceskatelevize.cz.

Content Size

1.8 MB

After Optimization

1.1 MB

In fact, the total size of Ceskatelevize.cz main page is 1.8 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. 40% of websites need less resources to load. Images take 813.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 49.4 kB

Original 59.6 kB
After minification 55.4 kB
After compression 10.2 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 49.4 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 72.2 kB

Original 813.4 kB
After minification 741.2 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. Ceska Televize images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 387.1 kB

Original 602.9 kB
After minification 543.6 kB
After compression 215.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 387.1 kB or 64% of the original size.

CSS Optimization

-68%

Potential reduce by 240.3 kB

Original 353.0 kB
After minification 327.8 kB
After compression 112.7 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. Ceskatelevize.cz needs all CSS files to be minified and compressed as it can save up to 240.3 kB or 68% of the original size.

Requests Now

107

After Optimization

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ceska Televize. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Ceskatelevize.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 Ceskatelevize.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

ceskatelevize.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Česká televize

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)