jdem.cz Website Information
Daily Unique Visits: 4,018
Daily Page Views: 16,072
Income Per Day: $45
Estimated Value: $24,300
jdem.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
No name server records were found.
and is probably hosted by Master Internet s.r.o.. See the full list of other websites hosted by Master Internet s.r.o..
The highest website jdem.cz position in Alexa rank database was 153030 and the lowest rank position was 997984. Current position of jdem.cz in Alexa rank database is 312323.
Desktop speed score of jdem.cz (78/100) is better than the results of 65.98% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of jdem.cz (66/100) is better than the results of 14.96% of other sites and means that the page is not mobile-friendly.
Mobile speed score of jdem.cz (66/100) is better than the results of 68.49% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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jdem.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.
jdem.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.
jdem.cz server information
Servers Location
jdem.cz desktop page speed rank
Last tested: 2018-05-24
jdem.cz Desktop Speed Test Quick Summary
priority - 10Enable 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 97.3KiB (77% reduction).
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
priority - 5Leverage 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://jdem.cz/gradient.jpg (expiration not specified)
http://jdem.cz/logo-jdem-cz.gif (expiration not specified)
http://jdem.cz/prototype.js (expiration not specified)
http://jdem.cz/rohy.gif (expiration not specified)
http://jdem.cz/sk.gif (expiration not specified)
http://jdem.cz/style.css (expiration not specified)
https://www.google.com/recaptcha/api.js (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js?hl=en&v=v1526338122299 (5 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 4Minify 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 35KiB (28% reduction).
priority - 0Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.7KiB (72% reduction).
priority - 0Minify 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 609B (21% reduction).
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 299B (13% reduction).
jdem.cz Desktop Resource Breakdown
| Total Resources | 19 |
| Number of Hosts | 5 |
| Static Resources | 14 |
| JavaScript Resources | 6 |
| CSS Resources | 2 |
jdem.cz mobile page speed rank
Last tested: 2018-06-29
jdem.cz Mobile Speed Test Quick Summary
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
Optimize CSS Delivery of the following:
priority - 10Enable 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 97.3KiB (77% reduction).
priority - 7Leverage 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://jdem.cz/gradient.jpg (expiration not specified)
http://jdem.cz/logo-jdem-cz.gif (expiration not specified)
http://jdem.cz/prototype.js (expiration not specified)
http://jdem.cz/rohy.gif (expiration not specified)
http://jdem.cz/sk.gif (expiration not specified)
http://jdem.cz/style.css (expiration not specified)
https://www.google.com/recaptcha/api.js (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js?hl=en&v=v1529908317173 (5 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 4Minify 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 35KiB (28% reduction).
priority - 0Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 2.7KiB (72% reduction).
priority - 0Minify 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 609B (21% reduction).
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 299B (13% reduction).
jdem.cz Mobile Resource Breakdown
| Total Resources | 18 |
| Number of Hosts | 4 |
| Static Resources | 14 |
| JavaScript Resources | 6 |
| CSS Resources | 2 |
jdem.cz mobile page usability
Last tested: 2018-06-29
jdem.cz Mobile Usability Test Quick Summary
priority - 40Use 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.
Už vás otravuj…kládat zpátky. and 1 others render only 5 pixels tall (13 CSS pixels).I'm not a robot renders only 5 pixels tall (14 CSS pixels).reCAPTCHA renders only 4 pixels tall (10 CSS pixels).Privacy and 2 others render only 3 pixels tall (8 CSS pixels).Vítejte na Jdem.cz! and 1 others render only 5 pixels tall (13 CSS pixels).Máme řešení! renders only 5 pixels tall (13 CSS pixels).Vložte tu dlou…dků nerozdělí. renders only 5 pixels tall (13 CSS pixels).Převedeme takovouto adresu: and 1 others render only 5 pixels tall (13 CSS pixels).ZP@sa=s@st=s@s…@ssp=134363136 and 2 others render only 5 pixels tall (13 CSS pixels).http://jdem.cz/aabi renders only 5 pixels tall (13 CSS pixels).Jdem.cz renders only 5 pixels tall (13 CSS pixels).Hromadný odkaz and 5 others render only 5 pixels tall (13 CSS pixels).Internet Info, s.r.o. and 1 others render only 5 pixels tall (13 CSS pixels).• Copyright ©2008 renders only 5 pixels tall (13 CSS pixels).priority - 10Configure 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.
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.
<span id="recaptcha-anchor" class="recaptcha-chec…nchor-checkbox"></span> is close to 1 other tap targets.<span id="recaptcha-anchor" class="recaptcha-chec…nchor-checkbox"></span> and 1 others are close to other tap targets.<a href="https://www.go…icies/privacy/">Privacy</a> and 1 others are close to other tap targets.<a href="http://jdem.cz/"></a> and 1 others are close to other tap targets.jdem.cz HTML validation
Errors
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
"... <?xml version="1..."
Obsolete doctype. Expected “<!DOCTYPE html>”.
"..."utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
"...UTF-8" /> <meta http-equiv="Content-language" content="cs" /> <meta..."
Bad value “Cache-control” for attribute “http-equiv” on element “meta”.
"...gKRN0" /> <meta http-equiv="Cache-control" content="no-cache" /> <meta..."
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
"...cache" /> <meta http-equiv="Pragma" content="no-cache" /> <meta..."
Bad value “Expires” for attribute “http-equiv” on element “meta”.
"...cache" /> <meta http-equiv="Expires" content="0" /> <meta..."
The “big” element is obsolete. Use CSS instead.
"..."anewurl"><big id="newurl"></big>..."
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jdem.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.
jdem.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.