cfel.de Website Information
Daily Unique Visits: 874
Daily Page Views: 1,748
Income Per Day: $5
Estimated Value: $1,200
cfel.de is registered under .DE top-level domain. Please check other sites in .DE zone.
No name server records were found.
and is probably hosted by Deutsches Elektronen-Synchrotron DESY. See the full list of other websites hosted by Deutsches Elektronen-Synchrotron DESY.
The highest website cfel.de position in Alexa rank database was 19202 and the lowest rank position was 998606. Current position of cfel.de in Alexa rank database is 820938.
Desktop speed score of cfel.de (72/100) is better than the results of 54.39% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of cfel.de (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of cfel.de (43/100) is better than the results of 22.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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cfel.de 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.
cfel.de 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.
Status: connect
cfel.de server information
Servers Location
cfel.de desktop page speed rank
Last tested: 2018-01-29
cfel.de Desktop Speed Test Quick Summary
priority - 21Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 205.4KiB (66% reduction).
Compressing https://www.cfel.de/sites/sites_cfelgroups/site_cf…FEL-Seminar.fw_eng.png could save 71.9KiB (72% reduction).
Compressing https://www.cfel.de/sites/sites_cfelgroups/site_cf…670/Web_UP2018_eng.jpg could save 31.9KiB (83% reduction).
Compressing https://www.cfel.de/common/placeholder-class.png could save 8.8KiB (46% reduction).
Compressing https://www.cfel.de/sites/sites_cfelgroups/site_cf…018-Logo-small_eng.jpg could save 3.7KiB (31% reduction).
Compressing https://www.cfel.de/common/building.jpg could save 3.6KiB (28% reduction).
Compressing https://www.cfel.de/common/logo1.png could save 2.6KiB (45% reduction).
Compressing https://www.cfel.de/common/hh.png could save 1.7KiB (20% reduction).
Compressing https://www.cfel.de/common/mpg.png could save 1.1KiB (17% reduction).
Compressing https://www.cfel.de/common/desy.png could save 819B (17% reduction).
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.cfel.de/sites/common4all/fancybox/fanc…rce/jquery.fancybox.js
https://www.cfel.de/sites/common4all/fancybox/fanc…usewheel-3.0.6.pack.js
Optimize CSS Delivery of the following:
https://www.cfel.de/common/local_css/responsivemenu.css
https://www.cfel.de/common/local_css/style.css
https://www.cfel.de/sites/common4all/fonts/font-aw…s/font-awesome.min.css
https://www.cfel.de/sites/common4all/fancybox/fanc…ce/jquery.fancybox.css
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.cfel.de/
https://www.cfel.de/
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:
priority - 0Minify 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 4.3KiB (31% reduction).
Minifying https://www.cfel.de/sites/common4all/fancybox/fanc…usewheel-3.0.6.pack.js could save 219B (31% reduction) after compression.
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 2.1KiB (20% reduction).
Minifying https://www.cfel.de/zmi_css_defaults could save 493B (25% reduction) after compression.
Minifying https://www.cfel.de/sites/common4all/fancybox/fanc…ce/jquery.fancybox.css could save 229B (17% reduction) after compression.
Minifying https://www.cfel.de/common/local_css/responsivemenu.css could save 152B (15% reduction) after compression.
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 806B (12% reduction).
cfel.de Desktop Resource Breakdown
| Total Resources | 39 |
| Number of Hosts | 3 |
| Static Resources | 1 |
| JavaScript Resources | 6 |
| CSS Resources | 6 |
cfel.de mobile page speed rank
Last tested: 2017-11-30
cfel.de Mobile Speed Test Quick Summary
priority - 59Reduce server response time
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.cfel.de/sites/common4all/fancybox/fanc…rce/jquery.fancybox.js
https://www.cfel.de/sites/common4all/fancybox/fanc…usewheel-3.0.6.pack.js
https://www.cfel.de/content/metaobj_manager/slider…er.si_slider_script.js
https://www.cfel.de/sites/common4all/responsivemenu/responsivemenu.js
Optimize CSS Delivery of the following:
https://www.cfel.de/common/local_css/responsivemenu.css
https://www.cfel.de/common/local_css/style.css
https://www.cfel.de/sites/common4all/fonts/font-aw…s/font-awesome.min.css
https://www.cfel.de/sites/common4all/fancybox/fanc…ce/jquery.fancybox.css
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.cfel.de/
https://www.cfel.de/
priority - 17Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 169.8KiB (65% reduction).
Compressing https://www.cfel.de/sites/sites_cfelgroups/site_cf…FEL-Seminar.fw_eng.png could save 71.9KiB (72% reduction).
Compressing https://www.cfel.de/common/placeholder-class.png could save 8.8KiB (46% reduction).
Compressing https://www.cfel.de/common/building.jpg could save 3.6KiB (28% reduction).
Compressing https://www.cfel.de/common/logo1.png could save 2.6KiB (45% reduction).
Compressing https://www.cfel.de/common/hh.png could save 1.7KiB (20% reduction).
Compressing https://www.cfel.de/common/mpg.png could save 1.1KiB (17% reduction).
Compressing https://www.cfel.de/common/desy.png could save 819B (17% reduction).
priority - 8Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
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:
priority - 0Minify 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 4.1KiB (31% 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 1.2KiB (19% reduction).
cfel.de Mobile Resource Breakdown
| Total Resources | 36 |
| Number of Hosts | 3 |
| Static Resources | 1 |
| JavaScript Resources | 6 |
| CSS Resources | 6 |
cfel.de mobile page usability
Last tested: 2017-11-30
cfel.de Mobile Usability Test Quick Summary
priority - 3Size 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.
<li class="dot active">1</li> is close to 1 other tap targets.<li class="dot">2</li> and 7 others are close to other tap targets.<a href="http://www.desy.de/">DESY</a> and 1 others are close to other tap targets.The tap target
<a href="http://www.hhps.de"></a> and 1 others are close to other tap targets.cfel.de HTML validation
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
"...> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" /> ..."
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
"...=" "><img class="title" src="/sites/sites_cfelgroups/site_cfel/content/e7289/e7290/HHPS-Colloquium-Button.fw_eng.png" alt=" " border="0"/></a> ..." Line: 452 Column: 71 - 198
"...=" "><img class="title" src="/sites/sites_cfelgroups/site_cfel/content/e7289/e7291/CFEL-Seminar.fw_eng.png" alt=" " border="0"/></a> ..." Line: 598 Column: 6 - 140
"... <img class="title" src="/sites/sites_cfelgroups/site_cfel/content/e7289/e62099/RPHDM-2018-Logo-small_eng.jpg" alt=" " border="0"/> <..." Line: 629 Column: 6 - 129
"... <img class="title" src="/sites/sites_cfelgroups/site_cfel/content/e7289/e62670/Web_UP2018_eng.jpg" alt=" " border="0"/> <..."
Errors
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
"...-> <style scoped> .slid..." Line: 606 Column: 6 - 12
"...xt"> <style> div.g..." Line: 639 Column: 1 - 7
".../a></em> <style> div.g..."
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cfel.de 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.
cfel.de 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.