isotra.cz Website Information
Daily Unique Visits: 1,021
Daily Page Views: 2,042
Income Per Day: $6
Estimated Value: $1,440
This website is located in Czech Republic and is using following IP address 217.198.119.79. See the complete list of popular websites hosted in Czech Republic.
isotra.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
Website isotra.cz is using the following name servers:
- alfa.ns.active24.cz
- beta.ns.active24.cz
- gama.ns.active24.sk
and is probably hosted by ZONER software, a.s. See the full list of other websites hosted by ZONER software, a.s.
The highest website isotra.cz position in Alexa rank database was 32386 and the lowest rank position was 999082. Current position of isotra.cz in Alexa rank database is 702151.
Desktop speed score of isotra.cz (82/100) is better than the results of 74.03% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of isotra.cz (97/100) is better than the results of 49.9% of other sites and means that the page is mobile-friendly.
Mobile speed score of isotra.cz (67/100) is better than the results of 70.58% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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isotra.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.
isotra.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.
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% Intended use of supplied data and information
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% 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.
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% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
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% See also a search service at http://www.nic.cz/whois/
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% Whoisd Server Version: 3.12.2
% Timestamp: Wed Dec 29 14:16:08 2021
domain: isotra.cz
registrant: A24CONTACT-23970
nsset: NSS:GLOBE-SGLO000001:1
registrar: REG-ACTIVE24
status: Sponsoring registrar change forbidden
registered: 12.01.2000 18:41:00
changed: 08.06.2018 13:01:05
expire: 12.01.2025
contact: A24CONTACT-23970
org: Isotra a. s.
name: Erich Stavař
address: Bílovecká 2411/1
address: Opava
address: 746 01
address: CZ
registrar: REG-MOJEID
created: 20.07.2009 06:46:00
changed: 13.06.2018 08:56:35
nsset: NSS:GLOBE-SGLO000001:1
nserver: alfa.ns.active24.cz (81.95.96.2, 2a02:4a8:ac24:100::96:2)
nserver: beta.ns.active24.cz (81.0.238.27, 2001:1528:151::12)
nserver: gama.ns.active24.sk
tech-c: ACTIVE24
registrar: REG-ACTIVE24
created: 01.10.2007 02:00:00
changed: 28.10.2021 22:12:07
contact: ACTIVE24
org: ACTIVE 24, s.r.o.
name: ACTIVE 24, s.r.o.
address: Sokolovská 394/17
address: Praha 8
address: 186 00
address: CZ
registrar: REG-ACTIVE24
created: 29.04.2008 12:35:02
changed: 15.05.2018 21:32:00
isotra.cz server information
Servers Location
isotra.cz desktop page speed rank
Last tested: 2017-07-17
isotra.cz Desktop Speed Test Quick Summary
priority - 8Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 79.6KiB (15% reduction).
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priority - 7Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://www.isotra.cz/
https://www.isotra.cz/
priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 1Leverage 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:
https://www.googletagmanager.com/gtm.js?id=GTM-TV9VS9N (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 1Reduce server response time
priority - 0Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 1.7KiB (50% reduction).
isotra.cz Desktop Resource Breakdown
| Total Resources | 67 |
| Number of Hosts | 10 |
| Static Resources | 56 |
| JavaScript Resources | 12 |
| CSS Resources | 1 |
isotra.cz mobile page speed rank
Last tested: 2017-05-29
isotra.cz Mobile Speed Test Quick Summary
priority - 26Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://www.isotra.cz/
https://www.isotra.cz/
priority - 15Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 140.8KiB (23% reduction).
Compressing https://www.isotra.cz/content/images/slider/cz/04.jpg could save 16.2KiB (14% reduction).
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Compressing https://www.isotra.cz/content/img/logo-association.png could save 2.9KiB (32% reduction).
Compressing https://www.isotra.cz/content/img/sprite.png could save 2.2KiB (22% reduction).
Compressing https://www.isotra.cz/content/images/submenu/menu-8.jpg?v=01 could save 2.2KiB (64% reduction).
Compressing https://www.isotra.cz/content/images/submenu/menu-5.jpg?v=01 could save 1.6KiB (61% reduction).
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Compressing https://www.isotra.cz/content/images/submenu/menu-9.jpg?v=01 could save 1.3KiB (57% reduction).
Compressing https://www.isotra.cz/content/img/logo-association-2017.png could save 1.3KiB (22% reduction).
Compressing https://www.isotra.cz/content/images/submenu/menu-7.jpg?v=01 could save 945B (44% reduction).
Compressing https://www.isotra.cz/content/img/flags/sk-act.png could save 901B (66% reduction).
Compressing https://www.isotra.cz/content/images/submenu/menu-12.jpg?v=07 could save 522B (24% reduction).
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 1Leverage 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:
https://www.google-analytics.com/analytics.js (2 hours)
priority - 1Reduce server response time
priority - 0Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 1.7KiB (50% reduction).
isotra.cz Mobile Resource Breakdown
| Total Resources | 64 |
| Number of Hosts | 9 |
| Static Resources | 54 |
| JavaScript Resources | 10 |
| CSS Resources | 1 |
isotra.cz mobile page usability
Last tested: 2017-05-29
isotra.cz Mobile Usability Test Quick Summary
priority - 2Size 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.
<a href="http://www.isotra.sk" class="flag sk">SK</a> is close to 1 other tap targets.<a href="http://www.isotra.com/" class="flag en">EN</a> is close to 2 other tap targets.<a href="http://www.iso…-jalousien.de/" class="flag de">DE</a> is close to 2 other tap targets.<a href="http://www.zhaluzi-isotra.ru/" class="flag ru">RU</a> is close to 2 other tap targets.<a href="http://www.isotra.cz/it/" class="flag it">IT</a> is close to 2 other tap targets.<a href="http://www.isotra.cz/pl/" class="flag pl">PL</a> is close to 2 other tap targets.<a href="http://www.persienneisotra.fr/" class="flag fr">FR</a> is close to 1 other tap targets.The tap target
<a href="/">Home</a> and 7 others are close to other tap targets.isotra.cz HTML validation
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isotra.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.
isotra.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.