cerfacs.fr Website Information
Daily Unique Visits: 5,276
Daily Page Views: 21,104
Income Per Day: $59
Estimated Value: $31,860
This website is located in France and is using following IP address 138.63.8.11. See the complete list of popular websites hosted in France.
cerfacs.fr is registered under .FR top-level domain. Please check other sites in .FR zone.
Website cerfacs.fr is using the following name servers:
- dns.inria.fr
- hal.cerfacs.fr
- phy.cerfacs.fr
- zephyr.cerfacs.fr
- talisker.cerfacs.fr
and is probably hosted by Renater. See the full list of other websites hosted by Renater.
The highest website cerfacs.fr position in Alexa rank database was 12026 and the lowest rank position was 998894. Current position of cerfacs.fr in Alexa rank database is 237849.
Desktop speed score of cerfacs.fr (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of cerfacs.fr (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of cerfacs.fr (40/100) is better than the results of 18.97% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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cerfacs.fr 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.
cerfacs.fr 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.
%% This is the AFNIC Whois server.
%%
%% complete date format: YYYY-MM-DDThh:mm:ssZ
%%
%% Rights restricted by copyright.
%% See https://www.afnic.fr/en/domain-names-and-support/everything-there-is-to-know-about-domain-names/find-a-domain-name-or-a-holder-using-whois/
%%
%% Use '-h' option to obtain more information about this service.
%%
domain: cerfacs.fr
status: ACTIVE
eppstatus: active
hold: NO
holder-c: CEDR4-FRNIC
admin-c: CL25012-FRNIC
tech-c: GRST1-FRNIC
tech-c: PL868-FRNIC
tech-c: NM72-FRNIC
registrar: GIP RENATER
Expiry Date: 2023-06-09T22:00:00Z
created: 1996-06-09T22:00:00Z
last-update: 2022-06-09T22:36:34Z
source: FRNIC
nserver: dns.inria.fr
nserver: hal.cerfacs.fr
nserver: talisker.cerfacs.fr
nserver: zephyr.cerfacs.fr
source: FRNIC
registrar: GIP RENATER
address: Array
address: 75013 PARIS
country: FR
phone: +33.153942030
fax-no: +33.153942031
e-mail: domaine@renater.fr
website: http://www.renater.fr
anonymous: No
registered: 1997-12-29T00:00:00Z
source: FRNIC
nic-hdl: GRST1-FRNIC
type: PERSON
contact: Gip Renater Support Technique Dns Gip Renater
address: GIP RENATER
address: 23-25, rue Daviel
address: 75013 Paris
country: FR
phone: +33.153942040
e-mail: support-dns@renater.fr
registrar: GIP RENATER
changed: 2022-10-15T19:37:17.829328Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: CEDR4-FRNIC
type: ORGANIZATION
contact: Centre Europeen de Recherche et de Formation au Calcul Scientifique, CERFACS
address: CERFACS
address: 42, avenue G. Coriolis
address: 31057 Toulouse
country: FR
phone: +33.561193131
e-mail: dsi@cerfacs.fr
registrar: GIP RENATER
changed: 2018-04-09T12:16:21Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: PL868-FRNIC
type: PERSON
contact: Patrick Laporte Patrick
address: CERFACS
address: 42, avenue G. Coriolis
address: 31057 Toulouse
country: FR
phone: +33.561193088
fax-no: +33.561193000
e-mail: patrick.laporte@cerfacs.fr
registrar: GIP RENATER
changed: 2018-04-09T12:18:50Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: NM72-FRNIC
type: PERSON
contact: Nicolas Monnier Nicolas
address: CERFACS
address: 42, avenue G. Coriolis
address: 31057 Toulouse
country: FR
phone: +33.561193079
fax-no: +33.561193000
e-mail: nicolas.monnier@cerfacs.fr
registrar: GIP RENATER
changed: 2018-04-09T12:19:08Z
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC
nic-hdl: CL25012-FRNIC
type: PERSON
contact: Catherine LAMBERT Catherine
address: CERFACS
address: 42 Avenue Coriolis
address: 31057 TOULOUSE
country: FR
phone: +33.561113131
e-mail: catherine.lambert@cerfacs.fr
registrar: GIP RENATER
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: ok
eligdate: 2018-04-09T00:00:00Z
reachstatus: not identified
source: FRNIC
>>> WHOIS request date: 2022-10-23T18:25:00.441231Z
cerfacs.fr server information
Servers Location
cerfacs.fr desktop page speed rank
Last tested: 2016-08-15
cerfacs.fr Desktop Speed Test Quick Summary
priority - 28Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 275.1KiB (74% reduction).
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priority - 14Reduce server response time
priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 23 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://cerfacs.fr/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
Optimize CSS Delivery of the following:
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http://fonts.googleapis.com/css?family=%3Aregular
http://cerfacs.fr/wp-content/plugins/6tem9Carousel…arouselFrontOffice.css
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http://cerfacs.fr/wp-content/plugins/UltraSimpleGa….default.css?ver=4.5.3
http://cerfacs.fr/wp-content/themes/cerfacs/css/bo…ityForms.css?ver=4.5.3
http://cerfacs.fr/wp-content/themes/cerfacs/style.css?ver=4.5.3
http://cerfacs.fr/wp-content/themes/cerfacs/css/layout.css
http://cerfacs.fr/wp-content/themes/cerfacs/css/cerfacs.css
http://fonts.googleapis.com/css?family=Raleway%3A4…%2C300%2C200&ver=4.5.3
http://fonts.googleapis.com/css?family=Roboto%3A40…%2C900italic&ver=4.5.3
http://fonts.googleapis.com/css?family=Lato:400,700,300
priority - 0Leverage 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 3.4KiB (47% reduction).
Minifying http://cerfacs.fr/wp-content/themes/cerfacs/js/jqu…ing.1.3.min.js?ver=1.3 could save 1,013B (55% reduction) after compression.
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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 1.7KiB (18% reduction).
Minifying http://cerfacs.fr/wp-content/themes/cerfacs/css/layout.css could save 667B (14% reduction) after compression.
cerfacs.fr Desktop Resource Breakdown
Total Resources | 79 |
Number of Hosts | 5 |
Static Resources | 62 |
JavaScript Resources | 28 |
CSS Resources | 22 |
cerfacs.fr mobile page speed rank
Last tested: 2017-06-25
cerfacs.fr Mobile Speed Test Quick Summary
priority - 64Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
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priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 24 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://cerfacs.fr/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
Optimize CSS Delivery of the following:
http://cerfacs.fr/wp-content/plugins/wysija-newsle…e.jquery.css?ver=2.7.8
http://cerfacs.fr/wp-content/plugins/6tem9Cerfacs/…Liste.fo.css?ver=4.7.3
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http://cerfacs.fr/wp-content/themes/cerfacs/style.css?ver=4.7.3
http://cerfacs.fr/wp-content/themes/cerfacs/css/layout.css
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priority - 26Optimize images
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priority - 10Leverage 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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http://cerfacs.fr/wp-content/plugins/6tem9Widget/w…s/widgetTinyMCE.fo.css (expiration not specified)
http://cerfacs.fr/wp-content/themes/cerfacs/css/cerfacs.css (expiration not specified)
http://cerfacs.fr/wp-content/themes/cerfacs/css/layout.css (expiration not specified)
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http://cerfacs.fr/wp-content/uploads/2015/04/hydro-1140x350.jpg (expiration not specified)
http://cerfacs.fr/wp-content/uploads/2015/05/defipuma2-1140x350.jpg (expiration not specified)
http://cerfacs.fr/wp-content/uploads/2015/06/carteGoogleMapFooter.png (expiration not specified)
http://cerfacs.fr/wp-content/uploads/2015/06/header.png (expiration not specified)
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https://platform.twitter.com/widgets.js (30 minutes)
priority - 10Reduce server response time
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.
71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 2 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.
priority - 3Minify CSS
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priority - 2Minify JavaScript
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cerfacs.fr Mobile Resource Breakdown
Total Resources | 63 |
Number of Hosts | 4 |
Static Resources | 17 |
JavaScript Resources | 26 |
CSS Resources | 25 |
cerfacs.fr mobile page usability
Last tested: 2017-06-25
cerfacs.fr Mobile Usability Test Quick Summary
priority - 0Size 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="https://link.s…382-016-3236-y">[url]</a>
and 2 others are close to other tap targets.cerfacs.fr HTML validation
Errors
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
"...</script> <link rel='https://api.w.org/' href='https://cerfacs.fr/wp-json/' /> ..."
Stray end tag “hr”.
"...</div><hr></hr><a tit..." Line: 675 Column: 2197 - 2201
"...div><hr></hr><div cla..." Line: 734 Column: 294 - 298
"...a></p><hr></hr><a hre..."
No “p” element in scope but a “p” end tag seen.
"... </p> ..." Line: 700 Column: 132 - 135
"... </p> ..." Line: 711 Column: 118 - 121
"... </p> ..." Line: 723 Column: 117 - 120
"... </p> ..." Line: 732 Column: 121 - 124
"... </p> ..."
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
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Warnings
The “navigation” role is unnecessary for element “nav”.
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The “form” role is unnecessary for element “form”.
"... <li> <form id="connexionMembreForm6tem9Menu" method="post" action="https://cerfacs.fr/wp-content/plugins/6tem9MenuAddonCerfacs/ajax/userConnexion.php" class="form-horizontal" role="form"><h4>Mo..."
This document appears to be written in English but the “html” start tag has “lang="fr"”. Consider using “lang="en"” (or variant) instead.
"...TYPE html> <html lang="fr"> <head..."
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cerfacs.fr 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.
cerfacs.fr 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.