Tools & Wizards About Us
radiomat.cz screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

radiomat.cz

RADIOmat.cz - Portál hromadného nakupování se slevou 40% - 90%!

Page Load Speed

3.4 sec in total

First Response

312 ms

Resources Loaded

2.8 sec

Page Rendered

258 ms

radiomat.cz screenshot

About Website

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

RADIOmat - Portál pro hromadné nákupy se slevou 40% - 90%! sleva, slevový server, Radio Čas, slevy Ostrava, slevy Brno, slevy Olomouc, slevy Zlín, slevy Valašsko, slevy Slezsko, slevy Morava

Visit radiomat.cz

Key Findings

We analyzed Radiomat.cz page load time and found that the first response time was 312 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

radiomat.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.407

24/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

radiomat.cz

312 ms

128 ms

AC_RunActiveContent.js

106 ms

functions.js

203 ms

jquery-1.11.0.min.js

421 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 86% of them (64 requests) were addressed to the original Radiomat.cz, 4% (3 requests) were made to Facebook.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (821 ms) belongs to the original domain Radiomat.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 458.5 kB (41%)

Content Size

1.1 MB

After Optimization

671.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Radiomat.cz main page is 1.1 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. 45% of websites need less resources to load. Images take 536.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 39.5 kB

  • Original 49.1 kB
  • After minification 43.8 kB
  • After compression 9.6 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 5.4 kB, which is 11% 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 39.5 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 28.6 kB

  • Original 536.4 kB
  • After minification 507.8 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. RADIOmat images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 320.7 kB

  • Original 460.4 kB
  • After minification 429.1 kB
  • After compression 139.7 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 320.7 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 69.7 kB

  • Original 84.0 kB
  • After minification 67.6 kB
  • After compression 14.3 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. Radiomat.cz needs all CSS files to be minified and compressed as it can save up to 69.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (33%)

Requests Now

72

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RADIOmat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

radiomat.cz

radiomat.cz

312 ms

128 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

106 ms

functions.js

functions.js

203 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

421 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

213 ms

jquery_cookie.js

jquery_cookie.js

210 ms

jquery-ui-1.10.4.min.css

jquery-ui-1.10.4.min.css

220 ms

jquery-ui-1.10.4.min.js

jquery-ui-1.10.4.min.js

539 ms

jquery.mousewheel-3.0.2.pack.js

jquery.mousewheel-3.0.2.pack.js

302 ms

jquery.fancybox-1.3.1.pack.js

jquery.fancybox-1.3.1.pack.js

315 ms

jquery.fancybox-1.3.1.css

jquery.fancybox-1.3.1.css

316 ms

fancybox.myloader.js.php

fancybox.myloader.js.php

326 ms

jquery.countdown.pack.js

jquery.countdown.pack.js

404 ms

jquery_fading.js

jquery_fading.js

446 ms

jquery-ui-timepicker-addon.js

jquery-ui-timepicker-addon.js

527 ms

jquery-ui-timepicker-addon.css

jquery-ui-timepicker-addon.css

445 ms

style.css

style.css

505 ms

menu.css

menu.css

523 ms

background-topper-2.jpg

background-topper-2.jpg

107 ms

logo-topper-2.jpg

logo-topper-2.jpg

226 ms

offer-category-select-2.png

offer-category-select-2.png

102 ms

newsletter-input-bg.png

newsletter-input-bg.png

106 ms

newsletter-submit-bg.png

newsletter-submit-bg.png

131 ms

border-virtual-category.png

border-virtual-category.png

131 ms

offer-bg-top.png

offer-bg-top.png

203 ms

offer-bg-mid.png

offer-bg-mid.png

188 ms

offer-index.png

offer-index.png

208 ms

button-proceed-large.png

button-proceed-large.png

207 ms

gift-icon.png

gift-icon.png

207 ms

countdown-bg.png

countdown-bg.png

289 ms

offer-indicator-shell.png

offer-indicator-shell.png

292 ms

offer-indicator-cover.png

offer-indicator-cover.png

294 ms

offer-active-bg.png

offer-active-bg.png

312 ms

3004_3.jpg

3004_3.jpg

628 ms

3004_2.jpg

3004_2.jpg

526 ms

3004_1.jpg

3004_1.jpg

688 ms

offer-image-cover.png

offer-image-cover.png

396 ms

offer-bg-bottom.png

offer-bg-bottom.png

398 ms

button-facebook-small.png

button-facebook-small.png

416 ms

button-twitter-small.png

button-twitter-small.png

501 ms

button-email-small.png

button-email-small.png

503 ms

3010_1_info.jpg

3010_1_info.jpg

621 ms

category-offer-cover.png

category-offer-cover.png

602 ms

category-offer-strip.png

category-offer-strip.png

607 ms

category-offer-percent-label-2.png

category-offer-percent-label-2.png

631 ms

2985_1_info.jpg

2985_1_info.jpg

707 ms

2879_1_info.jpg

2879_1_info.jpg

711 ms

2986_1_info.jpg

2986_1_info.jpg

723 ms

2901_1_info.jpg

2901_1_info.jpg

724 ms

2973_1_info.jpg

2973_1_info.jpg

732 ms

2974_1_info.jpg

2974_1_info.jpg

779 ms

2906_1_info.jpg

2906_1_info.jpg

805 ms

2755_1_info.jpg

2755_1_info.jpg

810 ms

2754_1_info.jpg

2754_1_info.jpg

821 ms

ga.js

ga.js

17 ms

all.js

all.js

70 ms

__utm.gif

__utm.gif

13 ms

2987_1_info.jpg

2987_1_info.jpg

759 ms

2988_1_info.jpg

2988_1_info.jpg

766 ms

2980_1_info.jpg

2980_1_info.jpg

798 ms

2908_1_info.jpg

2908_1_info.jpg

806 ms

124 ms

2934_1_info.jpg

2934_1_info.jpg

804 ms

xd_arbiter.php

xd_arbiter.php

75 ms

xd_arbiter.php

xd_arbiter.php

136 ms

2939_1_info.jpg

2939_1_info.jpg

756 ms

2821_1_info.jpg

2821_1_info.jpg

745 ms

footer-bg.png

footer-bg.png

757 ms

radio-cas-logo.png

radio-cas-logo.png

787 ms

ping

ping

43 ms

like.php

like.php

102 ms

h5Lp5Et_eC4.js

h5Lp5Et_eC4.js

141 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

159 ms

Accessibility Review

radiomat.cz accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

radiomat.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

High

Page has valid source maps

SEO Factors

radiomat.cz SEO score

92

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

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 Radiomat.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 Radiomat.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

radiomat.cz

Open Graph data is detected on the main page of RADIOmat. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: