Tools & Wizards About Us
audio3.cz screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

audio3.cz

Audio3.cz - v? hudebn? sv?t

Page Load Speed

22.4 sec in total

First Response

859 ms

Resources Loaded

21.4 sec

Page Rendered

184 ms

audio3.cz screenshot

About Website

Click here to check amazing Audio3 content for Czech Republic. Otherwise, check out these important facts you probably never knew about audio3.cz

Audio3.cz - v? hudebn? sv?t. Nejlevn?j?? hudebn? a filmov? obchod na internetu! Ak?n? ceny pro v?s. V prodeji 800 000 titul?.

Visit audio3.cz

Key Findings

We analyzed Audio3.cz page load time and found that the first response time was 859 ms and then it took 21.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

audio3.cz performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

audio3.cz

859 ms

styles20191112.css

653 ms

global.js

453 ms

urchin.js

7 ms

__utm.gif

36 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 96% of them (87 requests) were addressed to the original Audio3.cz, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.2 kB (12%)

Content Size

878.0 kB

After Optimization

774.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Audio3.cz main page is 878.0 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. 25% of websites need less resources to load. Images take 733.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 32.9 kB

  • Original 39.1 kB
  • After minification 39.0 kB
  • After compression 6.2 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 32.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 47.5 kB

  • Original 733.0 kB
  • After minification 685.5 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. Audio3 images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.0 kB

  • Original 83.0 kB
  • After minification 82.8 kB
  • After compression 80.1 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

-86%

Potential reduce by 19.8 kB

  • Original 22.9 kB
  • After minification 14.4 kB
  • After compression 3.1 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. Audio3.cz needs all CSS files to be minified and compressed as it can save up to 19.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (54%)

Requests Now

89

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Audio3. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

audio3.cz

audio3.cz

859 ms

styles20191112.css

styles20191112.css

653 ms

global.js

global.js

453 ms

urchin.js

urchin.js

7 ms

__utm.gif

__utm.gif

36 ms

Audio3_back20170403dark.png

Audio3_back20170403dark.png

424 ms

submit_1.gif

submit_1.gif

107 ms

logo-svetle.png

logo-svetle.png

400 ms

kosik-svetly.png

kosik-svetly.png

306 ms

login_bt.png

login_bt.png

302 ms

deptop1_act.png

deptop1_act.png

380 ms

deptop2.png

deptop2.png

381 ms

deptop3.png

deptop3.png

408 ms

deptop4.png

deptop4.png

411 ms

deptop5.png

deptop5.png

485 ms

deptop6.png

deptop6.png

487 ms

subdeptop_bg.gif

subdeptop_bg.gif

528 ms

empty.gif

empty.gif

513 ms

box_red_bg.gif

box_red_bg.gif

516 ms

box_red_head.gif

box_red_head.gif

528 ms

box_li.gif

box_li.gif

590 ms

box_red_footer.gif

box_red_footer.gif

592 ms

box_grey_bg.gif

box_grey_bg.gif

618 ms

box_grey_head.gif

box_grey_head.gif

621 ms

box_grey_footer.gif

box_grey_footer.gif

632 ms

alphabet_A.gif

alphabet_A.gif

633 ms

alphabet_B.gif

alphabet_B.gif

695 ms

alphabet_C.gif

alphabet_C.gif

698 ms

alphabet_D.gif

alphabet_D.gif

723 ms

alphabet_E.gif

alphabet_E.gif

727 ms

alphabet_F.gif

alphabet_F.gif

738 ms

alphabet_G.gif

alphabet_G.gif

739 ms

alphabet_H.gif

alphabet_H.gif

800 ms

alphabet_I.gif

alphabet_I.gif

803 ms

alphabet_J.gif

alphabet_J.gif

827 ms

alphabet_K.gif

alphabet_K.gif

832 ms

alphabet_L.gif

alphabet_L.gif

843 ms

alphabet_M.gif

alphabet_M.gif

844 ms

alphabet_N.gif

alphabet_N.gif

905 ms

alphabet_O.gif

alphabet_O.gif

908 ms

alphabet_P.gif

alphabet_P.gif

923 ms

alphabet_Q.gif

alphabet_Q.gif

834 ms

dot.asp

dot.asp

19915 ms

alphabet_R.gif

alphabet_R.gif

653 ms

alphabet_S.gif

alphabet_S.gif

649 ms

alphabet_T.gif

alphabet_T.gif

636 ms

alphabet_U.gif

alphabet_U.gif

637 ms

alphabet_V.gif

alphabet_V.gif

645 ms

alphabet_W.gif

alphabet_W.gif

641 ms

alphabet_X.gif

alphabet_X.gif

649 ms

alphabet_Y.gif

alphabet_Y.gif

638 ms

alphabet_Z.gif

alphabet_Z.gif

636 ms

alphabet_0.gif

alphabet_0.gif

638 ms

retargeting.js

retargeting.js

687 ms

submit_2.gif

submit_2.gif

636 ms

20240430_hudba_UniversalNews.png

20240430_hudba_UniversalNews.png

694 ms

20240430_Supraphon_vinyly_cenova_kampan.jpg

20240430_Supraphon_vinyly_cenova_kampan.jpg

768 ms

20240404_hudba_Supraphon_Audio.png

20240404_hudba_Supraphon_Audio.png

653 ms

2024_hudba_PetShopBoys.png

2024_hudba_PetShopBoys.png

670 ms

20220527_hudba_DOVYPRODANI.png

20220527_hudba_DOVYPRODANI.png

676 ms

20220527_hudba_VYPRODEJ.png

20220527_hudba_VYPRODEJ.png

652 ms

713615.jpg

713615.jpg

717 ms

29886.jpg

29886.jpg

693 ms

3426433.jpg

3426433.jpg

757 ms

671503.jpg

671503.jpg

688 ms

3423506.jpg

3423506.jpg

696 ms

548939.jpg

548939.jpg

689 ms

15387.jpg

15387.jpg

745 ms

74098.jpg

74098.jpg

737 ms

6032.jpg

6032.jpg

851 ms

3433881.jpg

3433881.jpg

747 ms

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3417188.jpg

711 ms

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731 ms

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3435998.jpg

754 ms

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755 ms

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792 ms

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3428957.jpg

896 ms

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3415983.jpg

764 ms

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800 ms

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3415979.jpg

847 ms

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3415962.jpg

784 ms

3413019.jpg

3413019.jpg

938 ms

3413017.jpg

3413017.jpg

861 ms

3329827.jpg

3329827.jpg

838 ms

box_info_bg.gif

box_info_bg.gif

801 ms

box_info_head.gif

box_info_head.gif

847 ms

box_info_footer.gif

box_info_footer.gif

850 ms

2024_JudasPriest_InvicibleShield.jpg

2024_JudasPriest_InvicibleShield.jpg

1007 ms

PearlJam_DarkMatter.jpg

PearlJam_DarkMatter.jpg

1357 ms

zameplatiebanka.gif

zameplatiebanka.gif

862 ms

christmas.jpg

christmas.jpg

1171 ms

Accessibility Review

audio3.cz accessibility score

72

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

audio3.cz best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

audio3.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Audio3.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Audio3.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

audio3.cz

Open Graph description is not detected on the main page of Audio3. 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: