er.cz website information.
er.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 er.cz domain:
- leo.ns.cloudflare.com
- maxine.ns.cloudflare.com
and probably website er.cz is hosted by Slovak Telecom, a. s. web hosting company. Check the complete list of other most popular websites hosted by Slovak Telecom, a. s. hosting company.
According to Alexa traffic rank the highest website er.cz position was 197156 (in the world). The lowest Alexa rank position was 999625. Now website er.cz ranked in Alexa database as number 477769 (in the world).
Website er.cz Desktop speed measurement score (95/100) is better than the results of 93.41% of other sites and shows that the page is performing great on desktop computers.
er.cz Mobile usability score (59/100) is better than the results of 2.69% of other sites and shows that the page mobile usability is poor and can be improved.
Mobile speed measurement score of er.cz (91/100) is better than the results of 93.58% of other sites and shows that the landing page performance on mobile devices is excellent.
Weekly Rank Report
| Date | Rank | Change |
|---|---|---|
| Nov-25-2024 | 477,769 | -1,501 |
| Nov-24-2024 | 476,268 | 3,858 |
| Nov-23-2024 | 480,126 | -3,652 |
| Nov-22-2024 | 476,474 | 8,857 |
| Nov-21-2024 | 485,331 | -11,650 |
| Nov-20-2024 | 473,681 | -2,387 |
| Nov-19-2024 | 471,294 | 10,226 |
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er.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.
er.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.
er.cz server information
er.cz desktop page speed rank
Last tested: 2019-11-12
er.cz Desktop Speed Test Quick Summary
priority - 2 Eliminate 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.
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.
Optimize CSS Delivery of the following:
priority - 1 Reduce server response time
In our test, your server responded in 0.35 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
priority - 0 Leverage 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:
priority - 0 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.3KiB (17% reduction).
Compressing https://i.czin.eu/czinpan.png could save 535B (14% reduction).
er.cz Desktop Resources
| Total Resources | 22 |
| Number of Hosts | 5 |
| Static Resources | 18 |
| JavaScript Resources | 1 |
| CSS Resources | 1 |
er.cz Desktop Resource Breakdown
er.cz mobile page speed rank
Last tested: 2017-04-19
er.cz Mobile Speed Test Quick Summary
priority - 8 Eliminate 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.
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.
Optimize CSS Delivery of the following:
priority - 1 Leverage 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:
priority - 0 Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 1.3KiB (17% reduction).
Compressing https://i.czin.eu/czinpan.png could save 535B (14% reduction).
er.cz Mobile Resources
| Total Resources | 23 |
| Number of Hosts | 5 |
| Static Resources | 18 |
| JavaScript Resources | 1 |
| CSS Resources | 1 |
er.cz Mobile Resource Breakdown
er.cz mobile page usability
Last tested: 2017-04-19
er.cz Mobile Usability Test Quick Summary
priority - 40 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.
Optimalizace webových stránek and 5 others render only 4 pixels tall (11 CSS pixels).Líbí se Vám na…zu na Váš web. and 26 others render only 4 pixels tall (11 CSS pixels).DŮVODŮ PROČ SI…Í REGISTRUJTE! and 33 others render only 4 pixels tall (11 CSS pixels).zdarma nebo ne…přesměrovávat! and 33 others render only 4 pixels tall (11 CSS pixels).>> ANO, chci s…řesměrování!<< and 28 others render only 4 pixels tall (11 CSS pixels).- KATALOG - renders only 4 pixels tall (11 CSS pixels).(1112) and 13 others render only 4 pixels tall (11 CSS pixels).(1435) and 13 others render only 4 pixels tall (11 CSS pixels)..: A mnoho dal…odů se dozvíte and 3 others render only 4 pixels tall (11 CSS pixels).řesměrování (r…řádu ve tvaru and 9 others render only 4 pixels tall (11 CSS pixels).něco and 1 others render only 4 pixels tall (11 CSS pixels).! Vždy když ně…můžete dočíst renders only 4 pixels tall (11 CSS pixels).(geocities.com…h vyhledávání. and 1 others render only 4 pixels tall (11 CSS pixels)..: and 1 others render only 4 pixels tall (11 CSS pixels).The following text fragments have a small line height. Increase the line height to make them more legible.
! Vždy když ně…můžete dočíst has a line height of only 109% of the font size.(geocities.com…h vyhledávání. and 1 others have a line height of only 109% of the font size.priority - 22 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.
<a href="http://www.web…o-vyhledavace/">Optimalizace webových stránek</a> and 4 others are close to other tap targets.<a href="https://www.er.cz/">er.cz</a> and 24 others are close to other tap targets.<input type="text" name="logindomain"> and 3 others are close to other tap targets.<input id="submit" type="image" name="submit"> and 2 others are close to other tap targets.<a href="https://www.er.cz/register.php">NOVÁ REGISTRACE</a> and 29 others are close to other tap targets.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.
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er.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.
er.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.