Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

avmedia.cz

AV MEDIA | Komunikace obrazem

Page Load Speed

4.3 sec in total

First Response

432 ms

Resources Loaded

3.5 sec

Page Rendered

333 ms

avmedia.cz screenshot

About Website

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

Již 30 let realizujeme, navrhujeme a pronajímáme audiovizuální řešení. Od technologií pro firmy a kanceláře až po inovativní eventy a interaktivní projekty.av mediaav médiaav medie avmedia systemsav m...

Visit avmedia.cz

Key Findings

We analyzed Avmedia.cz page load time and found that the first response time was 432 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

avmedia.cz performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.223

56/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

avmedia.cz

432 ms

www.avmedia.cz

683 ms

modernizr-2.6.2-respond-1.1.0.min.js

204 ms

gtm.js

76 ms

avmedia-logo.png

249 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 81% of them (68 requests) were addressed to the original Avmedia.cz, 4% (3 requests) were made to V2.zopim.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source T.leady.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 521.2 kB (38%)

Content Size

1.4 MB

After Optimization

836.4 kB

In fact, the total size of Avmedia.cz main page is 1.4 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. 60% of websites need less resources to load. Images take 671.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 139.4 kB

  • Original 161.8 kB
  • After minification 110.7 kB
  • After compression 22.4 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 51.1 kB, which is 32% 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 139.4 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 7.1 kB

  • Original 671.8 kB
  • After minification 664.7 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. AV MEDIA images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 286.4 kB

  • Original 418.8 kB
  • After minification 418.4 kB
  • After compression 132.4 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 286.4 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 88.2 kB

  • Original 105.2 kB
  • After minification 105.1 kB
  • After compression 16.9 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. Avmedia.cz needs all CSS files to be minified and compressed as it can save up to 88.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (22%)

Requests Now

64

After Optimization

50

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AV MEDIA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

avmedia.cz accessibility score

77

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

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

avmedia.cz best practices score

83

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

Low

Detected JavaScript libraries

SEO Factors

avmedia.cz SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Avmedia.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Avmedia.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 AV MEDIA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: