Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

audiozone.cz

Audiozone.cz • Server o digitálním zpracování zvuku

Page Load Speed

5.7 sec in total

First Response

343 ms

Resources Loaded

4.5 sec

Page Rendered

848 ms

About Website

Welcome to audiozone.cz homepage info - get ready to check Audiozone best content for Czech Republic right away, or after learning these important things about audiozone.cz

Internetový magazín o digitálním zpracování zvuku - přehled novinek, recenze audio hardware a software, bazar, diskuzní fórum, seznam nahrávacích studií.

Visit audiozone.cz

Key Findings

We analyzed Audiozone.cz page load time and found that the first response time was 343 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

audiozone.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.821

4/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

audiozone.cz

343 ms

www.audiozone.cz

953 ms

styleswitcher.js

208 ms

forum_fn.js

216 ms

jquery-latest.js

9 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 77% of them (71 requests) were addressed to the original Audiozone.cz, 8% (7 requests) were made to Djforum.cz and 4% (4 requests) were made to Musicstage.cz. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Djforum.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.4 kB (26%)

Content Size

297.6 kB

After Optimization

219.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Audiozone.cz main page is 297.6 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. 40% of websites need less resources to load. Images take 178.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 55.2 kB

  • Original 76.1 kB
  • After minification 72.2 kB
  • After compression 20.8 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 55.2 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 6.6 kB

  • Original 178.6 kB
  • After minification 172.1 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. Audiozone images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 14.3 kB

  • Original 39.8 kB
  • After minification 34.1 kB
  • After compression 25.4 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 14.3 kB or 36% of the original size.

CSS Optimization

-74%

Potential reduce by 2.3 kB

  • Original 3.1 kB
  • After minification 2.2 kB
  • After compression 798 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. Audiozone.cz needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (13%)

Requests Now

90

After Optimization

78

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Audiozone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

audiozone.cz accessibility score

88

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

audiozone.cz best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

audiozone.cz SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Audiozone.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 Audiozone.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 Audiozone. 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: