cesi.fr Website Information

Daily Unique Visits: 12,446

Daily Page Views: 62,230

Income Per Day: $156

Estimated Value: $93,600

This website is located in France and is using following IP address 178.170.102.194. See the complete list of popular websites hosted in France.

cesi.fr is registered under .FR top-level domain. Please check other sites in .FR zone.

Website cesi.fr is using the following name servers:

ns2.net4all-dns.com
ns.net4all-dns.com

and is probably hosted by OVH SAS. See the full list of other websites hosted by OVH SAS.

The highest website cesi.fr position in Alexa rank database was 4839 and the lowest rank position was 992760. Current position of cesi.fr in Alexa rank database is 109472.

Desktop speed score of cesi.fr (66/100) is better than the results of 44.37% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of cesi.fr (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of cesi.fr (56/100) is better than the results of 45.93% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

cesi.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.

cesi.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/
%%
%%

domain: cesi.fr
status: ACTIVE
eppstatus: active
hold: NO
holder-c: CTC611466-FRNIC
admin-c: CTC609331-FRNIC
tech-c: CTC609331-FRNIC
registrar: GANDI
Expiry Date: 2024-12-18T10:53:41Z
created: 1996-02-08T23:00:00Z
last-update: 2023-12-28T09:15:15.082148Z
source: FRNIC

nserver: ns-0-c.gandi.net
nserver: ns-163-a.gandi.net
nserver: ns-250-b.gandi.net
nserver: z.dns.gandi.net
source: FRNIC

registrar: GANDI
address: 63-65 boulevard Massena
address: 75013 PARIS
country: FR
phone: +33.170377661
fax-no: +33.143731851
e-mail: support@support.gandi.net
website: https://www.gandi.net/fr/tlds/fr/
anonymous: No
registered: 2004-03-08T00:00:00Z
source: FRNIC

nic-hdl: CTC609331-FRNIC
type: ORGANIZATION
contact: CESI
address: CESI
address: 1, avenue du General de Gaulle
address: 92074 Paris La Defense
country: FR
phone: +33.144459200
e-mail: d58dfdff4cc63c6682f4bb44da3a4a37-40084828@contact.gandi.net
registrar: GANDI
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC

nic-hdl: CTC611466-FRNIC
type: ORGANIZATION
contact: CESI
address: CESI
address: 1, avenue du General de Gaulle
address: Tour HYFIVE (ex-Tour PB5)
address: 92074 Paris La Defense
country: FR
phone: +33.144459200
e-mail: c5f869ef9d8dcf413d4d0c71588153fc-40164840@contact.gandi.net
registrar: GANDI
anonymous: NO
obsoleted: NO
eppstatus: associated
eppstatus: active
eligstatus: not identified
reachstatus: not identified
source: FRNIC

>>> Last update of WHOIS database: 2024-11-08T14:05:07.581013Z

cesi.fr server information

Servers Location

cesi.fr desktop page speed rank

Last tested: 2015-09-20

Desktop Speed Medium

66/100

cesi.fr 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:

http://cesi.fr/_js/jquery-1.4.2.js (expiration not specified)
http://cesi.fr/_js/jquery.metadata.js (expiration not specified)
http://cesi.fr/_js/jquery.validate.js (expiration not specified)
http://cesi.fr/_js/localization/messages_fr.js (expiration not specified)
http://cesi.fr/_js/swfobject.js (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…si-demandeuremploi.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…bloc2/cesi-diplome.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…oc2/recherche-cesi.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…pus-numerique_Cesi.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…bloc3/carte-france.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…cesi-certification.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…oc3/cesi-recherche.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…loc3/filiales-cesi.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…econnaissance-cesi.png (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…tons/btn-cesCertif.jpg (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…btn-decouvreCampus.jpg (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…s/btn-ensavoirplus.jpg (expiration not specified)
http://cesi.fr/_uploads/images/M%C3%A9dias%20porta…ndeau-portail-CESI.png (expiration not specified)
http://cesi.fr/css/portail.cesi.css (expiration not specified)
http://cesi.fr/images/body.jpg (expiration not specified)
http://cesi.fr/images/bouton_valider.jpg (expiration not specified)
http://cesi.fr/js/domready.js (expiration not specified)
http://cesi.fr/js/fonctions.js (expiration not specified)
http://emailing.cesi.fr/GroupeCesi/portail/jquery.js (expiration not specified)
http://emailing.cesi.fr/GroupeCesi/portail/jquery.tabify.js (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…ogo-CESIalternance.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…-CESIcertification.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…go-CESIentreprises.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…/bloc1/Logo-Eicesi.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…si/bloc1/Logo-Exia.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…i/bloc1/Logo-Irise.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…si/bloc1/Logo-Liea.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…/bloc1/Logo-Lusine.gif (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…sirecherche-fleche.png (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…loc1/eicesi-fleche.png (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…c1/logo-groupeCesi.png (expiration not specified)
http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…chercher-formation.png (expiration not specified)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
http://www.google-analytics.com/ga.js (2 hours)

priority - 15Enable 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 147.6KiB (71% reduction).

Compressing http://emailing.cesi.fr/GroupeCesi/portail/jquery.js could save 147.6KiB (71% reduction).

priority - 10Minify 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 95.3KiB (17% reduction).

Minifying http://emailing.cesi.fr/GroupeCesi/portail/jquery.js could save 87.8KiB (43% reduction).
Minifying http://cesi.fr/_js/jquery.validate.js could save 3.2KiB (33% reduction) after compression.
Minifying https://s.ytimg.com/yts/jsbin/html5player-new-lv_L…H-b/html5player-new.js could save 2.4KiB (1% reduction) after compression.
Minifying http://cesi.fr/_js/jquery.metadata.js could save 1.1KiB (71% reduction) after compression.
Minifying http://cesi.fr/js/fonctions.js could save 867B (55% reduction) after compression.

priority - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://cesi.fr/_js/jquery-1.4.2.js
http://cesi.fr/_js/swfobject.js
http://cesi.fr/js/fonctions.js

Optimize CSS Delivery of the following:

http://cesi.fr/css/portail.cesi.css

priority - 4Reduce server response time

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 767B (42% reduction).

Losslessly compressing http://www.cesi.fr/_uploads/images/M%C3%A9dias%20p…chercher-formation.png could save 767B (42% 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 944B (8% reduction).

Minifying http://cesi.fr/ could save 944B (8% 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 720B (30% reduction).

Minifying http://cesi.fr/css/portail.cesi.css could save 720B (30% reduction) after compression.

cesi.fr Desktop Resource Breakdown

Total Resources	51
Number of Hosts	9
Static Resources	43
JavaScript Resources	14
CSS Resources	2

cesi.fr mobile page speed rank

Last tested: 2019-06-29

Mobile Speed Bad

56/100

cesi.fr Mobile Speed Test Quick Summary

priority - 33Reduce server response time

In our test, your server responded in 2.4 seconds.

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://www.cesi.fr/wp-includes/css/dist/block-lib…tyle.min.css?ver=5.2.2
https://www.cesi.fr/wp-content/plugins/formcraft3/…t-common.css?ver=3.8.7
https://www.cesi.fr/wp-content/plugins/formcraft3/dist/form.css?ver=3.8.7
https://www.cesi.fr/wp-content/themes/cesi/static/…ult.min.css?ver=1.6.16

priority - 16Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 159.5KiB (48% reduction).

Compressing and resizing https://www.cesi.fr/wp-content/uploads/2019/03/LO-ISQ-OPQFNB.png could save 46.8KiB (94% reduction).
Compressing and resizing https://www.cesi.fr/wp-content/uploads/2019/03/Afaq_9001_k.png could save 29.4KiB (89% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2019/01/CDIO-CESI-480x480.jpg could save 22.1KiB (45% reduction).
Compressing and resizing https://www.cesi.fr/wp-content/uploads/2019/03/HES…2dpi-white-944x370.png could save 20.5KiB (91% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2018/10/CES…ieurs-test-480x480.jpg could save 13.8KiB (32% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2018/09/CES…tification-480x480.jpg could save 9KiB (22% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2018/09/CES…n_Managers-480x480.jpg could save 7.8KiB (23% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2018/10/CES…rporate_HP-480x480.jpg could save 7.2KiB (17% reduction).
Compressing https://www.cesi.fr/wp-content/uploads/2019/04/CES…ance_Cindy-288x288.jpg could save 2.9KiB (17% reduction).

priority - 4Leverage 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:

https://www.googletagmanager.com/gtm.js?id=GTM-NDP9KP4 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/150173…1439?v=2.8.51&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.8.51 (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

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 646B (85% reduction).

Minifying https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.8.51 could save 646B (85% reduction) after compression.

cesi.fr Mobile Resource Breakdown

Total Resources	36
Number of Hosts	9
Static Resources	28
JavaScript Resources	6
CSS Resources	4

cesi.fr mobile page usability

Last tested: 2019-06-29

Mobile Usability Good

94/100

cesi.fr Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 417 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <span>Strasbourg</span> falls outside the viewport.

priority - 2Size 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 <div class="navSelect dropDown _set">Les sites CESI…I CESI Alumni</div> and 3 others are close to other tap targets.

The tap target <a href="https://catalogue.cesi.fr" class="btn _dark">Guide des formations</a> and 1 others are close to other tap targets.

The tap target <a href="https://catalogue.cesi.fr" class="btn _dark">Guide des formations</a> and 2 others are close to other tap targets.

The tap target <button class="n1">CESI</button> and 1 others are close to other tap targets.

The tap target <div class="dropDown _set">Quel domaine v…mes embarqués</div> is close to 1 other tap targets.

The tap target <button type="button" class="btn _light _ed…ropDownTrigger">Quel domaine vous intéresse ?</button> is close to 1 other tap targets.

The tap target <a href="#campus-arras" class="campusTrigger _arras">Arras</a> and 2 others are close to other tap targets.
The tap target <a href="#campus-lille" class="campusTrigger _lille">Lille</a> and 3 others are close to other tap targets.
The tap target <a href="#campus-lille" class="campusTrigger _lille">Lille</a> and 2 others are close to other tap targets.
The tap target <div class="dropDown _up _reverse _set">Toutes nos bro…urer son futur</div> is close to 2 other tap targets.
The tap target <button type="button" class="btn dropDownTrigger">Toutes nos brochures</button> is close to 2 other tap targets.
The tap target <div class="dropDown _up _reverse _set">Inscriptions…Contactez-nous</div> is close to 3 other tap targets.
The tap target <a href="https://contact.cesi.fr/">Contactez-nous</a> is close to 4 other tap targets.
The tap target <a href="https://www.ce…toire-valeurs/">Histoire & Valeurs</a> and 8 others are close to other tap targets.

cesi.fr HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 1 Column: - 16460
"... charset="UTF-8"><meta name="v..."

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Line: 1 Column: 22782 - 22850
".../script> <link rel='https://api.w.org/' href='https://www.cesi.fr/wp-json/' /><link r..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 41 Column: 17387 - 17476
"...te-info"> <img src="https://www.cesi.fr/wp-content/themes/edin-child/medias/img/footer-hesam.png" /> <img ..." Line: 41 Column: 17478 - 17566
"...m.png" /> <img src="https://www.cesi.fr/wp-content/themes/edin-child/medias/img/footer-afaq.png" /> <img ..." Line: 41 Column: 17568 - 17655
"...q.png" /> <img src="https://www.cesi.fr/wp-content/themes/edin-child/medias/img/footer-isq.png" /> <img ..." Line: 41 Column: 17657 - 17744
"...q.png" /> <img src="https://www.cesi.fr/wp-content/themes/edin-child/medias/img/footer-cti.png" /></div>..."

Duplicate ID “formcraft-common-css”.

Line: 43 Column: 237 - 471
"...noscript><link data-minify="1" rel='stylesheet' id='formcraft-common-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/plugins/formcraft3/dist/formcraft-common-944aa8e509571ad737fa45933a377724.css' type='text/css' media='all' /></noscr..."

Duplicate ID “formcraft-form-css”.

Line: 43 Column: 493 - 713
"...noscript><link data-minify="1" rel='stylesheet' id='formcraft-form-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/plugins/formcraft3/dist/form-8cfa33b5a3cd4f832806b1fb24897116.css' type='text/css' media='all' /></noscr..."

Duplicate ID “edin-style-css”.

Line: 43 Column: 735 - 946
"...noscript><link data-minify="1" rel='stylesheet' id='edin-style-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/style-57c86e19e924cc516e3dc057c2bb1ca5.css' type='text/css' media='all' /></noscr..."

Duplicate ID “child-style-css”.

Line: 43 Column: 968 - 1180
"...noscript><link data-minify="1" rel='stylesheet' id='child-style-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-child/style-704a8faf0bc18792edf40e97dcad67a3.css' type='text/css' media='all' /></noscr..."

Duplicate ID “edin-edincon-css”.

Line: 43 Column: 1202 - 1422
"...noscript><link data-minify="1" rel='stylesheet' id='edin-edincon-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/font/edincon-6c2ead82302063e96b4de5d9c64c9b2d.css' type='text/css' media='all' /></noscr..."

Duplicate ID “genericons-css”.

Line: 43 Column: 1444 - 1665
"...noscript><link data-minify="1" rel='stylesheet' id='genericons-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/font/genericons-82f9da60528057c448e3a0565f5fea27.css' type='text/css' media='all' /></noscr..."

Warnings

The “banner” role is unnecessary for element “header”.

Line: 41 Column: 424 - 479
"...ncipal</a><header id="masthead" class="site-header" role="banner"><div c..."

The “navigation” role is unnecessary for element “nav”.

Line: 41 Column: 1221 - 1272
"...er clear"><nav class="secondary-navigation" role="navigation"><div c..." Line: 41 Column: 2193 - 2242
"...div></nav><nav class="primary-navigation" role="navigation"><div c..." Line: 41 Column: 17751 - 17799
"..." /></div><nav class="footer-navigation" role="navigation"><div c..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 41 Column: 17268 - 17328
"...div></div><footer id="colophon" class="site-footer" role="contentinfo"><div c..."

The first occurrence of ID “formcraft-common-css” was here.

Line: 1 Column: 20316 - 20606
"...}</style><link data-minify="1" rel='preload' id='formcraft-common-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/plugins/formcraft3/dist/formcraft-common-944aa8e509571ad737fa45933a377724.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /><link d..."

The first occurrence of ID “formcraft-form-css” was here.

Line: 1 Column: 20607 - 20883
"...='all' /><link data-minify="1" rel='preload' id='formcraft-form-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/plugins/formcraft3/dist/form-8cfa33b5a3cd4f832806b1fb24897116.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /><link d..."

The first occurrence of ID “edin-style-css” was here.

Line: 1 Column: 20884 - 21151
"...='all' /><link data-minify="1" rel='preload' id='edin-style-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/style-57c86e19e924cc516e3dc057c2bb1ca5.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /><style ..."

The first occurrence of ID “child-style-css” was here.

Line: 1 Column: 21337 - 21605
"...}</style><link data-minify="1" rel='preload' id='child-style-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-child/style-704a8faf0bc18792edf40e97dcad67a3.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /><link d..."

The first occurrence of ID “edin-edincon-css” was here.

Line: 1 Column: 21606 - 21882
"...='all' /><link data-minify="1" rel='preload' id='edin-edincon-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/font/edincon-6c2ead82302063e96b4de5d9c64c9b2d.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /><link d..."

The first occurrence of ID “genericons-css” was here.

Line: 1 Column: 21883 - 22160
"...='all' /><link data-minify="1" rel='preload' id='genericons-css' href='https://www.cesi.fr/wp-content/cache/min/1/wp-content/themes/edin-wpcom/font/genericons-82f9da60528057c448e3a0565f5fea27.css' as="style" onload="this.onload=null;this.rel='stylesheet'" type='text/css' media='all' /> <scrip..."

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cesi.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.

cesi.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.

CESI.FR École d'ingénieurs, bachelor et Mastère Spécialisé® - CESI

cesi.fr Website Information

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cesi.fr desktop page speed rank

cesi.fr 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:

priority - 15Enable 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 147.6KiB (71% reduction).

priority - 10Minify 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 95.3KiB (17% reduction).

priority - 4Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 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 - 4Reduce server response time

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 767B (42% 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 944B (8% 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 720B (30% reduction).

cesi.fr Desktop Resource Breakdown

cesi.fr mobile page speed rank

cesi.fr Mobile Speed Test Quick Summary

priority - 33Reduce server response time

In our test, your server responded in 2.4 seconds.

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

priority - 16Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 159.5KiB (48% reduction).

priority - 4Leverage 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 646B (85% reduction).

cesi.fr Mobile Resource Breakdown

cesi.fr mobile page usability

cesi.fr Mobile Usability Test Quick Summary

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 417 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

priority - 2Size 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.

cesi.fr HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Duplicate ID “formcraft-common-css”.

Duplicate ID “formcraft-form-css”.

Duplicate ID “edin-style-css”.

Duplicate ID “child-style-css”.

Duplicate ID “edin-edincon-css”.

Duplicate ID “genericons-css”.

Warnings

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

The “contentinfo” role is unnecessary for element “footer”.

The first occurrence of ID “formcraft-common-css” was here.

The first occurrence of ID “formcraft-form-css” was here.

The first occurrence of ID “edin-style-css” was here.

The first occurrence of ID “child-style-css” was here.

The first occurrence of ID “edin-edincon-css” was here.

The first occurrence of ID “genericons-css” was here.

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