VRI.CZ VRI - Welcome


vri.cz website information.

vri.cz domain name is registered by .CZ top-level domain registry. See the other sites registred in .CZ domain zone.

Following name servers are specified for vri.cz domain:

  • ns1.ignum.com
  • ns2.ignum.cz

and probably website vri.cz is hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US web hosting company. Check the complete list of other most popular websites hosted by MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US hosting company.

According to Alexa traffic rank the highest website vri.cz position was 91286 (in the world). The lowest Alexa rank position was 999826. Now website vri.cz ranked in Alexa database as number 417375 (in the world).

Website vri.cz Desktop speed measurement score (32/100) is better than the results of 9.52% of other sites shows that the page desktop performance can be improved.

vri.cz Mobile usability score (66/100) is better than the results of 14.96% of other sites and shows that the page mobile usability is poor and can be improved.

Mobile speed measurement score of vri.cz (25/100) is better than the results of 6.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Sep-30-2024 417,3759,001
Sep-29-2024 426,376-4,043
Sep-28-2024 422,333-3,991
Sep-27-2024 418,3426,901
Sep-26-2024 425,243-4,743
Sep-25-2024 420,5009,910
Sep-24-2024 430,4107,689

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vri.cz Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.



vri.cz whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.


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vri.cz server information

Servers Location

IP Address
31.15.10.138
Region
Praha
City
Hlavni mesto

vri.cz desktop page speed rank

Last tested: 2018-03-23


Desktop Speed Bad
32/100

vri.cz Desktop Speed Test Quick Summary


priority - 187 Optimize images

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priority - 24 Leverage browser caching

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

Your page has 10 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

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Optimize CSS Delivery of the following:

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priority - 7 Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

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priority - 0 Minify JavaScript

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priority - 0 Minify HTML

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Minify HTML for the following resources to reduce their size by 361B (11% reduction).

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vri.cz Desktop Resources

Total Resources62
Number of Hosts6
Static Resources52
JavaScript Resources14
CSS Resources6

vri.cz Desktop Resource Breakdown

vri.cz mobile page speed rank

Last tested: 2018-01-10


Mobile Speed Bad
25/100

vri.cz Mobile Speed Test Quick Summary


priority - 187 Optimize images

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priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 10 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.

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Remove render-blocking JavaScript:

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Optimize CSS Delivery of the following:

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priority - 36 Leverage browser caching

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priority - 26 Avoid 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.

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http://www.vri.cz/
https://www.vri.cz/

priority - 1 Minify 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 6.7KiB (28% reduction).

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priority - 0 Minify 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 1.5KiB (30% reduction).

Minifying https://www.vri.cz/js/lightbox.js could save 1.3KiB (36% reduction) after compression.
Minifying https://www.vri.cz/js/movieclip-0.7.0.min.js could save 215B (15% reduction) after compression.

priority - 0 Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 361B (11% reduction).

Minifying https://www.vri.cz/ could save 361B (11% reduction) after compression.

vri.cz Mobile Resources

Total Resources63
Number of Hosts6
Static Resources52
JavaScript Resources14
CSS Resources6

vri.cz Mobile Resource Breakdown

vri.cz mobile page usability

Last tested: 2018-01-10


Mobile Usability Medium
66/100

vri.cz Mobile Usability Test Quick Summary


priority - 33 Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

| renders only 4 pixels tall (11 CSS pixels).

ČESKY renders only 4 pixels tall (11 CSS pixels).

ABOUT US and 4 others render only 6 pixels tall (16 CSS pixels).

COOPERATION and 1 others render only 6 pixels tall (16 CSS pixels).

We appreciate…ial interests. renders only 5 pixels tall (13 CSS pixels).

We trust that…table choices. and 1 others render only 5 pixels tall (13 CSS pixels).

Veterinary Res…rno 2013-10-20 renders only 5 pixels tall (13 CSS pixels).

Copyright VUVe…ered by: desin renders only 5 pixels tall (12 CSS pixels).

COOPERATION and 6 others render only 5 pixels tall (12 CSS pixels).

Center of the…d laboratories and 14 others render only 5 pixels tall (12 CSS pixels).

priority - 10 Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

Configure a viewport for this page.

priority - 6 Size 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="/en/projects_npu_">PROJECTS NPU</a> is close to 1 other tap targets.
The tap target <table id="gs_id50" class="gstl_50">×</table> is close to 2 other tap targets.

The tap target <input id="gsc-i-id1" type="text" name="search" class="gsc-input"> is close to 2 other tap targets.

The tap target <a href="/"></a> is close to 3 other tap targets.

The tap target <a href="/cz//">ČESKY</a> is close to 3 other tap targets.

The tap target <a href="/en/news">NEWS</a> and 4 others are close to other tap targets.

The tap target <a href="/en/news/chronicle">Chronicle</a> and 14 others are close to other tap targets.

priority - 3 Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,026 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.
The element <canvas> falls outside the viewport.

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vri.cz Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.


vri.cz TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.