ROZHLAS.CZ Website Information

rozhlas.cz Website Information

Daily Unique Visits: 121,462

Daily Page Views: 728,772

Income Per Day: $1,458

Estimated Value: $1,049,760

This website is located in Czech Republic and is using following IP address 178.238.38.82. See the complete list of popular websites hosted in Czech Republic.

rozhlas.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.

Website rozhlas.cz is using the following name servers:

  • nsa.ces.net
  • ns2.cro.cz
  • ns1.cro.cz

and is probably hosted by 2 connect a.s.. See the full list of other websites hosted by 2 connect a.s..

The highest website rozhlas.cz position in Alexa rank database was 11740 and the lowest rank position was 12250. Current position of rozhlas.cz in Alexa rank database is 11808.

Desktop speed score of rozhlas.cz (31/100) is better than the results of 8.96% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of rozhlas.cz (95/100) is better than the results of 39.69% of other sites and means that the page is mobile-friendly.

Mobile speed score of rozhlas.cz (55/100) is better than the results of 43.86% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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rozhlas.cz Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


rozhlas.cz whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.12.2
% Timestamp: Mon Aug 29 14:57:14 2022

domain: rozhlas.cz
registrant: SB:FORPSI-KBY-S225167
nsset: NSS-ROZHLAS
keyset: KSET-ROZHLAS
registrar: REG-INTERNET-CZ
registered: 17.12.1997 01:00:00
changed: 13.11.2018 13:42:09
expire: 21.10.2023

contact: SB:FORPSI-KBY-S225167
org: Český rozhlas
name: Klára Koblížková
address: Vinohradská 12
address: Praha 2
address: 12099
address: CZ
registrar: REG-INTERNET-CZ
created: 14.05.2007 16:05:00
changed: 15.05.2018 21:32:00

nsset: NSS-ROZHLAS
nserver: ns1.cro.cz (195.113.180.18)
nserver: ns2.cro.cz (195.113.180.19)
nserver: nsa.ces.net
tech-c: JT12-RIPE
registrar: REG-INTERNET-CZ
created: 08.11.2018 09:26:27

contact: JT12-RIPE
name: Jiri Trunecek
address: Na Petynce 30
address: Praha 6
address: 169 00
address: CZ
registrar: REG-INTERNET-CZ
created: 10.08.2001 22:13:00
changed: 15.05.2018 21:32:00

keyset: KSET-ROZHLAS
dnskey: 257 3 13 wvPrq2Wd3GSWMzYDIAB1WowNfcJqnCw/af5oJQ72qXJItgy4EzCEQal22MuhGVym2yosJaczwVkrwRU2be4qJg==
tech-c: JT12-RIPE
registrar: REG-INTERNET-CZ
created: 31.10.2018 09:45:17

rozhlas.cz server information

Servers Location

rozhlas.cz desktop page speed rank

Last tested: 2016-08-11


Desktop Speed Bad
31/100

rozhlas.cz Desktop Speed Test Quick Summary


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priority - 77Leverage browser caching

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http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.popup-v1.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery….prettyloader-1.0.1.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery…rettyphoto-3.1.pack.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.query-2.1.7.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery…swfobject.1-1-1.min.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.timers-1.2.js (24 hours)
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.tipsy-1.0.0a.js (24 hours)
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http://www.rozhlas.cz/default/default/e6/js/web/portal.js?20160801.a (24 hours)
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http://www.rozhlas.cz/img/e6.5/web/portal/logospromos/hry_a_literatura.png (24 hours)
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http://www.rozhlas.cz/img/e6/search/v2/btn_search.png (24 hours)
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priority - 53Enable compression

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Enable compression for the following resources to reduce their transfer size by 519.6KiB (72% reduction).

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priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 26 blocking script resources and 17 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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http://www.rozhlas.cz/default/default/e6/js/jquery…ery.livequery-1.0.3.js
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.timers-1.2.js
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http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.popup-v1.js
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.formhints.js
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.tipsy-1.0.0a.js
http://www.rozhlas.cz/default/default/e6/js/jquery/jquery.query-2.1.7.js
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http://www.rozhlas.cz/default/default/e6/js/jquery…rettyphoto-3.1.pack.js
http://www.rozhlas.cz/default/default/e6/js/jquery….prettyloader-1.0.1.js
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http://www.rozhlas.cz/default/default/e6/js/jquery…swfobject.1-1-1.min.js
http://www.rozhlas.cz/img/jwplayer/6/10/jwplayer.js
http://static.rozhlas.cz/uniplayer/js/jquery.uniplayer-2.2.2.js
http://www.rozhlas.cz/default/default/e6/js/common/schedule.js
http://www.rozhlas.cz/default/default/e6/js/common/ytplayer.js
http://www.rozhlas.cz/default/default/e6/js/main.js?20160429.b
http://www.rozhlas.cz/default/default/e6/js/web/portal.js?20160801.a
http://www.rozhlas.cz/default/default/e6/js/common…bal-loader.js?20160728
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Optimize CSS Delivery of the following:

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http://www.rozhlas.cz/default/default/e6/css/common/prettyphoto.css
http://www.rozhlas.cz/default/default/e6/css/common/prettyloader.css
http://www.rozhlas.cz/default/default/e6/css/common/bubblepopup.css
http://www.rozhlas.cz/default/default/e6/css/common/tipsy.css
http://www.rozhlas.cz/default/default/e6/css/common/article.css?20160413.a
http://www.rozhlas.cz/default/default/e6/css/common/forum.css
http://www.rozhlas.cz/default/default/e6/css/common/gallery.css
http://www.rozhlas.cz/default/default/e6/css/common/audio-archive.css
http://www.rozhlas.cz/default/default/e6/css/common/weather.css
http://www.rozhlas.cz/default/default/e6/css/common/traffic.css
http://www.rozhlas.cz/default/default/e6/css/common/kurzy.css
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http://www.rozhlas.cz/default/default/e6/css/commo…cial-v2.css?20160707.b
http://www.rozhlas.cz/default/default/e6/css/common/form.css
http://www.rozhlas.cz/default/default/e6/css/web/portal.css?20160805.a3

priority - 4Minify CSS

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Minify CSS for the following resources to reduce their size by 41.2KiB (22% reduction).

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priority - 3Avoid landing page redirects

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Avoid landing page redirects for the following chain of redirected URLs.

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http://www.rozhlas.cz/
http://www.rozhlas.cz/portal/portal/

priority - 3Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 23.8KiB (29% reduction).

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rozhlas.cz Desktop Resource Breakdown

Total Resources222
Number of Hosts34
Static Resources182
JavaScript Resources58
CSS Resources19

rozhlas.cz mobile page speed rank

Last tested: 2017-05-08


Mobile Speed Bad
55/100

rozhlas.cz Mobile Speed Test Quick Summary


priority - 35Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://rozhlas.cz/
http://www.rozhlas.cz/
http://m.rozhlas.cz/
http://m.rozhlas.cz/portal/portal/

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://m.rozhlas.cz/default/default/e5_js/jquery/jquery-1.6.4.min.js
http://m.rozhlas.cz/default/default/e5_js/jquery/jquery.timers-1.2.js
http://m.rozhlas.cz/default/default/e5_js/mobile-social.js?a4
http://static.rozhlas.cz/projekty/reportaze/livereport.js?20120405.a
http://aplikace.rozhlas.cz/otazky/sites/default/libs/cro_otazky.js
http://www.rozhlas.cz/default/default/e5_js/global-analytics.js

Optimize CSS Delivery of the following:

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http://m.rozhlas.cz/default/default/e5_css/mobile-web-pocasi-box.css?124

priority - 11Enable compression

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Enable compression for the following resources to reduce their transfer size by 110.5KiB (69% reduction).

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priority - 8Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://connect.facebook.net/cs_CZ/all.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
http://myx.siteone.cz/js/myx.js (4 hours)
http://myx.siteone.cz/js/swfobject.js (4 hours)
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http://m.rozhlas.cz/default/default/e5_css/mobile-web-pocasi-box.css?124 (24 hours)
http://m.rozhlas.cz/default/default/e5_js/jquery/jquery-1.6.4.min.js (24 hours)
http://m.rozhlas.cz/default/default/e5_js/jquery/jquery.timers-1.2.js (24 hours)
http://m.rozhlas.cz/default/default/e5_js/mobile-social.js?a4 (24 hours)
http://m.rozhlas.cz/img/e5/mobile/logo-r_portal_white.png (24 hours)
http://m.rozhlas.cz/img/e5/mobile/speaker_30.png (24 hours)
http://m.rozhlas.cz/img/e5/sprite/weather-40.png (24 hours)
http://www.rozhlas.cz/default/default/e5_js/global-analytics.js (24 hours)

priority - 1Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

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priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 2.2KiB (21% reduction).

Minifying http://m.rozhlas.cz/default/default/e5_css/mobile-global.css?20170223.a could save 1.6KiB (20% reduction).
Minifying http://m.rozhlas.cz/default/default/e5_css/mobile-web-pocasi-box.css?124 could save 567B (24% reduction).

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 1.9KiB (42% reduction).

Compressing http://m.rozhlas.cz/img/e5/mobile/speaker_30.png could save 1,022B (52% reduction).
Compressing http://m.rozhlas.cz/img/e5/mobile/logo-r_portal_white.png could save 897B (34% reduction).

rozhlas.cz Mobile Resource Breakdown

Total Resources37
Number of Hosts15
Static Resources20
JavaScript Resources15
CSS Resources2

rozhlas.cz mobile page usability

Last tested: 2017-05-08


Mobile Usability Good
95/100

rozhlas.cz Mobile Usability Test Quick Summary


priority - 4Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/radiozurnal">Radiožurnál -…sport, doprava</a> and 14 others are close to other tap targets.

The tap target <a href="/radiozurnal/h…ajjed--1724109">PŘIPRAVUJEME:…adek Mounajjed</a> and 7 others are close to other tap targets.

The tap target <a href="/zpravy/portal">ZPRÁVY</a> and 2 others are close to other tap targets.
The tap target <a href="/zelenavlna/portal">Zelená vlna</a> and 15 others are close to other tap targets.

priority - 0Configure the viewport

Your page uses an XHTML Mobile doctype declaration, which instructs browsers that your page is optimized for mobile and should render properly on all devices.

rozhlas.cz HTML validation

Errors

The character encoding was not declared. Proceeding using “windows-1252”.

Line: Column: -
"......"

Bad value for attribute “prefix” on element “html”.

Line: 8 Column: 21 - 283
"...!IE]><!--><html class="no-js" lang="cs" dir="ltr" prefix=": fb: http://ogp.me/ns/fb# og: http://ogp.me/ns# article: http://ogp.me/ns/article# book: http://ogp.me/ns/book# profile: http://ogp.me/ns/profile# video: http://ogp.me/ns/video# product: http://ogp.me/ns/product#"><!--<!..."

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 11 Column: - 21
"... charset="utf-8" /> <link rel=..."

Changing character encoding “utf-8” and reparsing.

Line: 11 Column: 1 - 24
"...endif]--> <meta charset="utf-8" /> <link..."

Changing encoding at this point would need non-streamable behavior.

Line: 11 Column: - 24
"...arset="utf-8" /> <link rel="sh..."

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rozhlas.cz Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


rozhlas.cz TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.