Tools & Wizards About Us
autoradiahifi.cz screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

autoradiahifi.cz

Autorádia, autohifi, zesilovače do auta

Page Load Speed

14.8 sec in total

First Response

534 ms

Resources Loaded

14 sec

Page Rendered

303 ms

autoradiahifi.cz screenshot

About Website

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

Autorádia-Hifi.cz. Autorádia, zesilovače do auta, reproduktory, autohifi a subwoofery do auta na Autorádia-Hifi.cz.

Visit autoradiahifi.cz

Key Findings

We analyzed Autoradiahifi.cz page load time and found that the first response time was 534 ms and then it took 14.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

autoradiahifi.cz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.393

26/100

15%

TTI (Time to Interactive)

Value5.7 s

69/100

10%

Network Requests Diagram

autoradiahifi.cz

534 ms

www.autoradiahifi.cz

3426 ms

stylesheet_jquery-ui-1.8.14.custom.css

1240 ms

stylesheet_jquery.fancybox-1.3.4.css

718 ms

stylesheet_original.css

549 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Autoradiahifi.cz, 6% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (6.4 sec) belongs to the original domain Autoradiahifi.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 373.0 kB (49%)

Content Size

759.7 kB

After Optimization

386.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Autoradiahifi.cz main page is 759.7 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. 15% of websites need less resources to load. Javascripts take 311.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 54.3 kB

  • Original 65.7 kB
  • After minification 59.2 kB
  • After compression 11.3 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 54.3 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 17.5 kB

  • Original 282.3 kB
  • After minification 264.9 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. Autoradiahifi images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 214.6 kB

  • Original 311.3 kB
  • After minification 302.7 kB
  • After compression 96.7 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 214.6 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 86.5 kB

  • Original 100.4 kB
  • After minification 72.1 kB
  • After compression 13.8 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. Autoradiahifi.cz needs all CSS files to be minified and compressed as it can save up to 86.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (37%)

Requests Now

46

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Autoradiahifi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

autoradiahifi.cz

autoradiahifi.cz

534 ms

www.autoradiahifi.cz

www.autoradiahifi.cz

3426 ms

stylesheet_jquery-ui-1.8.14.custom.css

stylesheet_jquery-ui-1.8.14.custom.css

1240 ms

stylesheet_jquery.fancybox-1.3.4.css

stylesheet_jquery.fancybox-1.3.4.css

718 ms

stylesheet_original.css

stylesheet_original.css

549 ms

stylesheet_original2.css

stylesheet_original2.css

1429 ms

jscript_imagehover.js

jscript_imagehover.js

717 ms

jscript_jquery-1.4.3.min.js

jscript_jquery-1.4.3.min.js

3947 ms

jscript_jquery-ui-1.8.14.custom.min.js

jscript_jquery-ui-1.8.14.custom.min.js

6446 ms

dot.asp

dot.asp

210 ms

logo.gif

logo.gif

191 ms

qc_mobile.gif

qc_mobile.gif

452 ms

qc_phone.gif

qc_phone.gif

452 ms

qc_mail.gif

qc_mail.gif

719 ms

MAGNATAKCE.jpg

MAGNATAKCE.jpg

2638 ms

da3e0d1b33df073a066f3742a0372408.image.80x80.jpg

da3e0d1b33df073a066f3742a0372408.image.80x80.jpg

993 ms

button_in_cart.gif

button_in_cart.gif

2949 ms

6dcd45d23df68d379bf356a3b4d41c25.image.80x60.jpg

6dcd45d23df68d379bf356a3b4d41c25.image.80x60.jpg

1222 ms

b47c42c0a8c5656883675bf1b8c1daa8.image.80x57.jpg

b47c42c0a8c5656883675bf1b8c1daa8.image.80x57.jpg

1422 ms

29527a77804e6642692a9e1e81b08d31.image.80x66.jpg

29527a77804e6642692a9e1e81b08d31.image.80x66.jpg

1564 ms

f03b36aba46de873fb1f5e1ecf907398.image.80x60.jpg

f03b36aba46de873fb1f5e1ecf907398.image.80x60.jpg

1808 ms

a28cac97a700cbea8acc4791ccf1b12c.image.80x60.jpg

a28cac97a700cbea8acc4791ccf1b12c.image.80x60.jpg

1955 ms

9518bb6b4a66ad92252f6d1157fba999.image.80x60.jpg

9518bb6b4a66ad92252f6d1157fba999.image.80x60.jpg

2084 ms

44c07e4e6352e8837fae0fe608880d34.image.80x64.jpg

44c07e4e6352e8837fae0fe608880d34.image.80x64.jpg

2253 ms

377f928a378b7c23f124bb82e74dc916.image.80x80.jpg

377f928a378b7c23f124bb82e74dc916.image.80x80.jpg

2382 ms

018bddca6c58ea533d53242c9a2b3f90.image.80x65.jpg

018bddca6c58ea533d53242c9a2b3f90.image.80x65.jpg

2520 ms

b840da50fea629e7581cb03bb342758f.image.80x60.gif

b840da50fea629e7581cb03bb342758f.image.80x60.gif

2638 ms

a5ac0e683e3ab6a419bd1f5e2459003b.image.80x34.jpg

a5ac0e683e3ab6a419bd1f5e2459003b.image.80x34.jpg

2858 ms

4394eab766c694edf35b964f90789035.image.80x53.jpg

4394eab766c694edf35b964f90789035.image.80x53.jpg

2859 ms

head.jpg

head.jpg

4809 ms

sbl-head.jpg

sbl-head.jpg

1110 ms

sbl-foot.jpg

sbl-foot.jpg

488 ms

search-small.png

search-small.png

487 ms

sb-li.gif

sb-li.gif

487 ms

dot.asp

dot.asp

214 ms

ga.js

ga.js

22 ms

__utm.gif

__utm.gif

23 ms

heading.jpg

heading.jpg

959 ms

shadow.gif

shadow.gif

1044 ms

new_list.gif

new_list.gif

762 ms

skladem_list.gif

skladem_list.gif

760 ms

akce_list.gif

akce_list.gif

1276 ms

sleva_list.gif

sleva_list.gif

1277 ms

__utm.gif

__utm.gif

23 ms

gjs.php

gjs.php

210 ms

widget.php

widget.php

123 ms

print_stylesheet.css

print_stylesheet.css

132 ms

right-zalozka-only.png

right-zalozka-only.png

206 ms

Accessibility Review

autoradiahifi.cz accessibility score

87

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

autoradiahifi.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

autoradiahifi.cz SEO score

87

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Autoradiahifi.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 Autoradiahifi.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

autoradiahifi.cz

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