Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

mediacentrum.cz

SEO optimalizace, tvorba webových stránek a internetový marketing - mediacentrum.cz

Page Load Speed

5.5 sec in total

First Response

800 ms

Resources Loaded

3.4 sec

Page Rendered

1.3 sec

mediacentrum.cz screenshot

About Website

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

Jsme dynamická mediální agentura s několikaletým působením na české internetové scéně. Náš tým tvoří odborníci z oblasti programování a online marketingu. Tvoříme uživatelsky přívětivé weby, realizuje...

Visit mediacentrum.cz

Key Findings

We analyzed Mediacentrum.cz page load time and found that the first response time was 800 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

mediacentrum.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

www.mediacentrum.cz

800 ms

wp-emoji-release.min.js

132 ms

style.min.css

199 ms

dashicons.min.css

342 ms

thickbox.css

261 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 74% of them (25 requests) were addressed to the original Mediacentrum.cz, 6% (2 requests) were made to Maps.googleapis.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain Mediacentrum.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.5 kB (10%)

Content Size

320.0 kB

After Optimization

287.5 kB

In fact, the total size of Mediacentrum.cz main page is 320.0 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. Images take 157.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 28.7 kB

  • Original 38.5 kB
  • After minification 37.0 kB
  • After compression 9.8 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 28.7 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 916 B

  • Original 157.7 kB
  • After minification 156.8 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. Mediacentrum images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 122 B

  • Original 66.1 kB
  • After minification 66.1 kB
  • After compression 65.9 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

-5%

Potential reduce by 2.8 kB

  • Original 57.8 kB
  • After minification 57.7 kB
  • After compression 55.0 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. Mediacentrum.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (55%)

Requests Now

29

After Optimization

13

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mediacentrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mediacentrum.cz accessibility score

90

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

Form elements do not have associated labels

Best Practices

mediacentrum.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mediacentrum.cz SEO score

79

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 Mediacentrum.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 Mediacentrum.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 Mediacentrum. 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: