fzu.cz Website Information
Daily Unique Visits: 6,133
Daily Page Views: 24,532
Income Per Day: $69
Estimated Value: $37,260
This website is located in Czech Republic and is using following IP address 147.231.27.90. See the complete list of popular websites hosted in Czech Republic.
fzu.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
Website fzu.cz is using the following name servers:
- cdns.fzu.cz
- sdns.fzu.cz
- ns2.dix.cz
and is probably hosted by CESNET z.s.p.o.. See the full list of other websites hosted by CESNET z.s.p.o..
The highest website fzu.cz position in Alexa rank database was 22711 and the lowest rank position was 997218. Current position of fzu.cz in Alexa rank database is 204609.
Desktop speed score of fzu.cz (69/100) is better than the results of 49.24% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of fzu.cz (64/100) is better than the results of 11.2% of other sites and means that the page is not mobile-friendly.
Mobile speed score of fzu.cz (62/100) is better than the results of 59.44% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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fzu.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.
fzu.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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fzu.cz server information
Servers Location
fzu.cz desktop page speed rank
Last tested: 2019-06-25
Desktop Speed
Medium
69/100
fzu.cz Desktop Speed Test Quick Summary
priority - 19Leverage 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:
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priority - 17Optimize images
Properly formatting and compressing images can save many bytes of data.
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priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.fzu.cz/sites/all/libraries/modernizr/modernizr.min.js?pnpcs6
Optimize CSS Delivery of the following:
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priority - 2Enable 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 23KiB (70% reduction).
Compressing https://www.fzu.cz/sites/all/themes/fzu2/fzu_cs.svg could save 23KiB (70% reduction).
priority - 1Minify 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 9.7KiB (20% reduction).
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fzu.cz Desktop Resource Breakdown
| Total Resources | 50 |
| Number of Hosts | 5 |
| Static Resources | 38 |
| JavaScript Resources | 10 |
| CSS Resources | 7 |
fzu.cz mobile page speed rank
Last tested: 2017-04-20
Mobile Speed
Bad
62/100
fzu.cz Mobile Speed Test Quick Summary
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.fzu.cz/sites/default/files/js/js_ed5dce…528f00b7c0876880f1d.js
http://jwpsrv.com/library/FZcNPrjrEeSqVhJtO5t17w.js
http://jwpsrv.com/library/FZcNPrjrEeSqVhJtO5t17w.js
Optimize CSS Delivery of the following:
http://www.fzu.cz/sites/default/files/css/css_0eef…c6956fdc36cec7ca55.css
priority - 30Leverage 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:
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priority - 1Minify 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 8.9KiB (20% reduction).
Minifying http://www.fzu.cz/sites/default/files/js/js_ed5dce…528f00b7c0876880f1d.js could save 8.9KiB (20% reduction) after compression.
priority - 1Optimize images
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Optimize the following images to reduce their size by 8.4KiB (17% reduction).
Compressing http://www.fzu.cz/sites/all/themes/fzu/images/hlavicka.png could save 3.7KiB (12% reduction).
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Compressing http://www.fzu.cz/sites/all/themes/fzu/images/top_menu_poz_leve.gif could save 610B (58% reduction).
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fzu.cz Mobile Resource Breakdown
| Total Resources | 43 |
| Number of Hosts | 4 |
| Static Resources | 40 |
| JavaScript Resources | 3 |
| CSS Resources | 2 |
fzu.cz mobile page usability
Last tested: 2017-04-20
Mobile Usability
Bad
64/100
fzu.cz Mobile Usability Test Quick Summary
priority - 39Use 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.
Fyzikální ústa…kademie věd ČR renders only 0 pixels tall (1 CSS pixels).Webmail - původní and 5 others render only 4 pixels tall (10 CSS pixels).Struktura FZÚ and 8 others render only 5 pixels tall (12 CSS pixels).Krátké zprávy and 2 others render only 5 pixels tall (14 CSS pixels).Výsledky výzku…I v Piešťanech and 25 others render only 4 pixels tall (11 CSS pixels).Předseda Akademie věd České... and 11 others render only 4 pixels tall (11 CSS pixels).30.3.2017 and 3 others render only 4 pixels tall (11 CSS pixels).Oddělení tenký…a nanostruktur and 14 others render only 4 pixels tall (11 CSS pixels).19/04/2017 - 09:00 and 4 others render only 4 pixels tall (11 CSS pixels).Ve středu 7. p…příklad [1-4]. and 8 others render only 5 pixels tall (12 CSS pixels).Cenu Wernera v…adního výzkumu and 2 others render only 5 pixels tall (12 CSS pixels).Cena Wernera v…o ústavu AV ČR and 4 others render only 6 pixels tall (15 CSS pixels).Čtvrtek, 09.02…Michael Prouza and 4 others render only 5 pixels tall (12 CSS pixels).Celý text >> and 4 others render only 5 pixels tall (12 CSS pixels).1 renders only 5 pixels tall (12 CSS pixels).následující › and 9 others render only 5 pixels tall (12 CSS pixels).… renders only 5 pixels tall (12 CSS pixels).Copyright © 20…V ČR, v. v. i. renders only 5 pixels tall (12 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 - 9Size 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="/user">Přihlásit</a> and 3 others are close to other tap targets.The tap target
<input id="edit-search-theme-form-1" type="text" name="search_theme_form" class="form-text"> is close to 1 other tap targets.The tap target
<input id="edit-submit" type="submit" name="op" class="form-submit"> is close to 1 other tap targets.The tap target
<a href="/o-fzu">O FZÚ</a> and 2 others are close to other tap targets.The tap target
<a href="/vysledky-vyzk…ci-sssi-v-pies">Výsledky výzku…I v Piešťanech</a> and 29 others are close to other tap targets.The tap target
<a href="/oddeleni/19">Oddělení strukturní analýzy</a> and 8 others are close to other tap targets.The tap target
<a href="cinnost-fzu">Více o činnosti FZÚ ...</a> is close to 1 other tap targets.The tap target
<a href="/prizes/cena-w…o-ustavu-av-cr">Celý text >></a> and 4 others are close to other tap targets.The tap target
<a href="/vitejte?page=1" class="active">2</a> and 9 others are close to other tap targets.fzu.cz HTML validation
Errors
Legacy doctype. Expected “<!DOCTYPE html>”.
Line: 2 Column: 1 - 50
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html..."
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html..."
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Line: 3 Column: 51 - 92
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..." Line: 95 Column: 74 - 128
"...t active"><a href="/" class="language-link active" xml:lang="cs">CS <im..." Line: 96 Column: 21 - 70
"..."en last"><a href="/en" class="language-link" xml:lang="en">EN <im..."
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..." Line: 95 Column: 74 - 128
"...t active"><a href="/" class="language-link active" xml:lang="cs">CS <im..." Line: 96 Column: 21 - 70
"..."en last"><a href="/en" class="language-link" xml:lang="en">EN <im..."
The “version” attribute on the “html” element is obsolete. You can safely omit it.
Line: 3 Column: 51 - 92
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Line: 5 Column: 93 - 51
"...dir="ltr"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."
"...dir="ltr"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."
Duplicate ID “logo”.
Line: 85 Column: 5 - 116
"...> <a href="/" id="logo" rel="home" title="Return to the Fyzikální ústav Akademie věd ČR home page" class="active"><img s..."
"...> <a href="/" id="logo" rel="home" title="Return to the Fyzikální ústav Akademie věd ČR home page" class="active"><img s..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 229 Column: 201 - 266
"...2017.pdf"><img src="/sites/default/files/banners/vyrocni_zprava_2017.png" /></a> <..."
"...2017.pdf"><img src="/sites/default/files/banners/vyrocni_zprava_2017.png" /></a> <..."
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Line: 266 Column: 84 - 86
"...-content"><p>Úterý,..." Line: 273 Column: 84 - 86
"...-content"><p>Út..." Line: 280 Column: 84 - 86
"...-content"><p>Úterý,..." Line: 288 Column: 84 - 86
"...-content"><p>Středa..." Line: 295 Column: 84 - 86
"...-content"><p>Pátek,..."
"...-content"><p>Úterý,..." Line: 273 Column: 84 - 86
"...-content"><p>Út..." Line: 280 Column: 84 - 86
"...-content"><p>Úterý,..." Line: 288 Column: 84 - 86
"...-content"><p>Středa..." Line: 295 Column: 84 - 86
"...-content"><p>Pátek,..."
Warnings
The first occurrence of ID “logo” was here.
Line: 72 Column: 15 - 60
"... <a href="/" title="Domů" rel="home" id="logo"> ..."
"... <a href="/" title="Domů" rel="home" id="logo"> ..."
The “navigation” role is unnecessary for element “nav”.
Line: 138 Column: 19 - 56
"... <nav id="main-menu" role="navigation"> ..."
"... <nav id="main-menu" role="navigation"> ..."
This document appears to be written in Czech. Consider adding “lang="cs"” (or variant) to the “html” start tag.
Line: 3 Column: 51 - 92
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."
"...fa-1.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="cs" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."
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fzu.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.
fzu.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.