Analyze Frekvence 1 ON-AIR

Přehrávač Frekvence 1. Poslouchej Frekvenci 1 přes internet :-)

Page load speed analysis

  • 66/100

    Normal result
  • 8

    Successful tests
  • 0

    Failed test
  • First response

    402 ms

  • Resources loaded

    3.9 sec

  • Page rendered

    144 ms

  • Total page load time

    4.4 sec

Click here to check amazing Vysilani Frekvence 1 content for Czech Republic. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 402 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Page optimization

  • HTML 54.9 kB
    Images 1.9 MB
    Javascripts 665.5 kB
    CSS 27.4 kB

    In fact, the total size of main page is 2.6 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. 65% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

    • Original 54.9 kB
    • After minification 53.1 kB
    • After compression 13.0 kB

    HTML optimization

    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 41.9 kB or 76% of the original size.

    • Original 1.9 MB
    • After optimization 1.8 MB

    Image optimization

    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. Vysilani Frekvence 1 images are well optimized though.

    • Original 665.5 kB
    • After minification 652.8 kB
    • After compression 213.7 kB

    JavaScript optimization

    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 451.8 kB or 68% of the original size.

    • Original 27.4 kB
    • After minification 22.9 kB
    • After compression 4.9 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 22.5 kB or 82% of the original size.

Network requests diagram

  • style.css
  • head.load.min.js
  • jquery-1.7.2.min.js
  • jquery-ui-1.8.22.custom-who.min.js
  • jquery.cookie.js
  • jquery.slider.js
  • jquery.qtip-1.0.0-rc3.min.js
  • jquery.jgfeed.js
  • jquery.autosize.js
  • jquery.placeholder.min.js
  • laplayer.min.js
  • fncs.js
  • xgemius.js
  • analytics.js
  • img_0231.jpg
  • bg-branding_kia.jpg
  • loader.gif
  • logo-radio.png
  • bg-player.png
  • slider-3.png
  • slider-2.png
  • bg-day.gif
  • bg-box-2.gif
  • ads-konto.jpg
  • bg-button-primary.png
  • weather-skoro-zatazeno.png
  • zodiac-3.png
  • bg-open-win.png
  • kuchyne.jpg
  • 2614602_.jpg
  • opensans-semibold-webfont.woff
  • opensans-regular-webfont.woff
  • collect
  • collect
  • ga-audiences
  • img_0231.jpg
  • kuchyne.jpg
  • 2614602_.jpg
  • button-assets.png
  • fpdata.js
  • lsget.html
  • loader-5.gif
  • jquery.jplayer.min.js
  • rexdot.js
  • frekvence1
  • frekvence1
  • all.js
  • plusone.js
  • widgets.js
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • fastbutton
  • button.831500944bc3eb7ea5276ccdc3f71d2e.js
  • postmessageRelay
  • cb=gapi.loaded_0
  • cb=gapi.loaded_1
  • api.js
  • core:rpc:shindig.random:shindig.sha1.js
  • 2536007149-postmessagerelay.js
  • xd_arbiter.php
  • xd_arbiter.php
  • collect
  • tweet_button.6a78875565a912489e9aef879c881358.cs.html
  • W5F8_SL0XFawnjxHGsZjJA.ttf
  • jot
  • gpt.js
  • bg-action-play-2.png
  • ping
  • bg-action-play.png
  • ico-melody.png
  • slider-1.png
  • bg-volume.png
  • pubads_impl_81.js
  • ads
  • container.html
  • like.php
  • vpc6VNjRPXV.js
  • LVx-xkvaJ0b.png
  • 16153234943635966384
  • show_ads.js
  • osd.js
  • ca-pub-5417596818982926.js
  • zrt_lookup.html
  • show_ads_impl.js
  • ads
  • osd.js
  • vpc6VNjRPXV.js

Our browser made a total of 96 requests to load all elements on the main page. We found that 33% of them (32 requests) were addressed to the original, 7% (7 requests) were made to and 6% (6 requests) were made to The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source

Additional info on


The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vysilani Frekvence 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and as a result speed up the page load time.











Possible request optimization













Normal result

IP address uses IP addresses which are currently shared with 5 other domains. The more sites share the same stack of IP addresses, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 290
A 290
A 290

290 Ipv6: 2a02:a40:31c:200::11

Language and encoding

Good result


CS cs language flag


CS cs language flag





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

HTTPS certificate

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 91.3% of all visits is Czech Republic. It’s good for that their server is also located in Czech Republic, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Vysilani Frekvence 1. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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