Data4group.com - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
66% 
Page structure
100% 
Link structure
85% 
Server
82% 
External factors
100% 
SEO Score
Response time
0.60 s
File size
143.80 kB
Words
953
Media files
31
Number of links
93 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
DATA4 | DataCenter en Europe | Data center France Italie Luxembourg
The page title should be shorter than 580 pixels. It is 636 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
DATA4 | DataCenter en Europe | Data center France Italie Luxembourg Espagne | Plus grand campus de Data Centers d'Europe | Colocation Datacenters en France
The meta description is too long: 1014 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.data4group.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: fr
Language defined in HTML: fr-fr
Server location: United States of America
The following language is defined by HTML: fr-fr
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0
theme-color#fbfbfb
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionDATA4 | DataCenter en Europe | Data center France Italie Luxembourg Espagne | Plus grand campus de Data Centers d'Europe | Colocation Datacenters en France
google-site-verificationQa2QwRT3rfLuT23MRgPZExgrMZTHmPQmopx1pXNQsfI
generatorWPML ver:4.6.12 stt:1,4,3,27,41,2;
msapplication-TileImagehttps://www.data4group.com/wp-content/uploads/2021/10/cropped-favicon-1-270x270.png
article:modified_time2024-07-12T09:24:59+00:00
langfr-fr
twitter:cardsummary_large_image
og:localefr_FR
og:typewebsite
og:titleDATA4 | DataCenter en Europe | Data center France Italie Luxembourg
og:descriptionDATA4 | DataCenter en Europe | Data center France Italie Luxembourg Espagne | Plus grand campus de Data Centers d'Europe | Colocation Datacenters en France
og:urlhttps://www.data4group.com/
og:site_nameDATA4 - Smart Data Centers at Scale
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are 4 text duplicates on this page:
  • Duplicate 1: Bâtir des campus de data centers hautement connectés, résilients et re...
  • Duplicate 2: DATA4 est un opérateur et investisseur européen majeur sur le marché d...
The average number of words per sentence of 27.62 words is high.
This page contains 953 words. That's ok.
19.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
12 paragraphs were found on this page.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 133 characters this one is longer than 70 characters:
"bâtir des campus de data centers hautement connectés, résilients et responsables pour soutenir la croi..."
Image SEO
(Somewhat important)
6 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...epress-multilingual-cms/res/flags/fr.svgFR
...epress-multilingual-cms/res/flags/en.svgEN
...epress-multilingual-cms/res/flags/it.svgIT
...epress-multilingual-cms/res/flags/es.svgES
...epress-multilingual-cms/res/flags/pl.svgPL
...epress-multilingual-cms/res/flags/de.svgDE
...data4-group/assets/images/data4-logo.svgDATA4 - Smart Data Centers at Scale | Smart Data Centers at Scale
...data4-group/assets/images/data4-logo.svgDATA4 - Smart Data Centers at Scale | Smart Data Centers at Scale
...data4-group/assets/images/data4-logo.svgDATA4 - Smart Data Centers at Scale | Smart Data Centers at Scale
...epress-multilingual-cms/res/flags/fr.svgFR
...epress-multilingual-cms/res/flags/en.svgEN
...epress-multilingual-cms/res/flags/it.svgIT
...epress-multilingual-cms/res/flags/es.svgES
...epress-multilingual-cms/res/flags/pl.svgPL
...epress-multilingual-cms/res/flags/de.svgDE
.../images/icons/data4-icons-intro-home.svgCampus de data centers innovants
...loads/2021/10/ressource-data-centers.svgData center - Operational Datacenters
...nt/uploads/2021/10/ressource-surface.svgData center - M² de Surface IT
...content/uploads/2021/10/ressource-mw.svgData center - GW
...10/ressource-operateur-cloud-telecom.svgData center - Opérateurs Cloud & Télécom
...-group/assets/images/data4-logo-blog.svgDATA4 - Blog
...ts/images/icons/button-arrow-primary.svgNo alt attribute provided
...ts/images/icons/button-arrow-primary.svgNo alt attribute provided
...ts/images/icons/button-arrow-primary.svgNo alt attribute provided
...cons/icon-bloc-ressources-title-home.pngNo alt attribute provided
...cons/icon-bloc-ressources-title-home.pngNo alt attribute provided
...t/uploads//2021/10/data4-logo-footer.svgDATA4 - Smart Data Centers at Scale
.../images/icons/icon-newsletter-widget.pngNewsletter
...s/icons/icon-contact-popin-close-btn.pngclose
/wp-content/uploads/2021/10/data4-logo.svgNo alt attribute provided
Video URLWidthHeight
...smart-data-centers-video-home-header.mp4

Page structure

H1 heading
(Critically important)
Campus de data centers innovants
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Campus de data centers innovants
H2 La Mission de DATA4
H2 Campus de Data Centers performants & hyper-connectés
H2 DATA4 opère 35 Data Centers en France, en Italie, en Espagne, au Luxembourg, en Pologne et bientôt en Allemagne et met à disposition de ses clients :
H2 Nos livres blancs
H2 Nos certifications
H2 DATA4 en images
H3 Paris
H3 Milan
H3 Luxembourg
H3 Madrid
H3 Varsovie
H3 Francfort
H3 Les ressources de DATA4
H3 L’analyse du cycle de vie permet de révéler l’impact environnemental du data center
H3 3 questions à Linda Lescuyer, Responsable Innovation (Data4)
H3 Tout comprendre sur la certification HDS
H3 Rapport RSE 2023
H3 Greener Data – Volume Two
H3 Les enjeux clés pour un numérique responsable
H3 Les KPI environnementaux de la DSI, en partenariat avec AdVaes
H3 Marcoussis Campus PAR1
H3 Madrid - San Agustín del Guadalix Campus
H3 Warsaw Campus
H3 Madrid - Alcobendas Campus
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.data4group.com/blog/Subdomain Blog
/carrieres/Subdomain Carrières
https://cwp.data4group.com/New window Nofollow External Subdomain Portail Client
https://www.data4group.com/en/Subdomain IMG-ALT EN
https://www.data4group.com/it/Subdomain IMG-ALT IT
https://www.data4group.com/es/Subdomain IMG-ALT ES
https://www.data4group.com/pl/Subdomain IMG-ALT PL
https://www.data4group.com/de/Subdomain IMG-ALT DE
https://www.linkedin.com/compa...New window Nofollow External Subdomain No Text
https://www.youtube.com/channe...New window Nofollow External Subdomain No Text
https://www.data4group.com/Subdomain IMG-ALT DATA4 - Smart Data Centers at Scale | Smart Data Centers at Scale
/datacenter-europe-campus-data...Subdomain Le modèle de campus de data centers DATA4
/data-center-paris-france/Subdomain Paris – France
/data-center-milan-italie/Subdomain Milan – Italie
/data-center-madrid-espagne/Subdomain Madrid – Espagne
/data-center-luxembourg/Subdomain Luxembourg
/data-centers-varsovie-pologne/Subdomain Varsovie – Pologne
/data-center-francfort-allemagne/Subdomain Francfort – Allemagne
/certifications-data-centers/Subdomain Certifications et normes
A-TITLE Les Certifications de DATA4 et de ses data centers
/solution-datacenter-d4-hosting/Subdomain Services
/solution-datacenter-d4-hosting/Subdomain Notre portefeuille de services
/datacenter-location-colocatio...Subdomain Colocation
A-TITLE Colocation de data center & bâtiment dédié
/datacenter-prive-batiment-dedie/Subdomain Bâtiment dédié
/logistique-et-gestion-operati...Subdomain Logistique et gestion opérationnelle
/services-connectivite/Subdomain Services de Connectivité
/portail-client-dedie/Subdomain Portail client dédié
/notre-politique-de-developpem...Subdomain Data4 Good
/notre-politique-de-developpem...Subdomain Data4 Good | Environnement
/notre-politique-de-developpem...Subdomain Data4 | People
/data4-innovation/Subdomain Data4 | Innovation
/data4-community/Subdomain Data4 | Community
/ressources/Subdomain Ressources
/ressources/categories/livres-...Subdomain Livres blancs
/ressources/categories/infogra...Subdomain Infographies
https://www.data4group.com/blog/Subdomain Text duplicate Blog
/nos-videos/Subdomain Nos vidéos
/des-data-centers-nouvelle-gen...Subdomain Des Data centers nouvelle génération
/gestion-de-nos-infrastructure...Subdomain Gestion de nos infrastructures & Urbanisation
/expert-datacenter-design/Subdomain Accompagnement
/green-it-data-center/Subdomain Green IT
/datacenter-securite-physique/Subdomain Sécurité Physique
/qui-sommes-nous-data4/Subdomain Qui sommes-nous ?
/management-data4/Subdomain Management
/carrieres/Subdomain Text duplicate Carrières
/data4-ils-parlent-de-nous/Subdomain Ils parlent de nous
/contacts-presse/Subdomain Contacts presse
/contact/Subdomain Contact
https://www.data4group.com/blog/Subdomain Text duplicate Blog
/carrieres/Subdomain Text duplicate Carrières
https://cwp.data4group.com/New window Nofollow External Subdomain Text duplicate Portail Client
https://www.data4group.com/en/Subdomain Text duplicate IMG-ALT EN
https://www.data4group.com/it/Subdomain Text duplicate IMG-ALT IT
https://www.data4group.com/es/Subdomain Text duplicate IMG-ALT ES
https://www.data4group.com/pl/Subdomain Text duplicate IMG-ALT PL
https://www.data4group.com/de/Subdomain Text duplicate IMG-ALT DE
https://www.linkedin.com/compa...New window Nofollow External Subdomain No Text
https://www.youtube.com/channe...New window Nofollow External Subdomain No Text
/contact/Subdomain Contactez-nous
A-TITLE Contact
/data-center-paris-france/Subdomain Paris
A-TITLE Notre campus de Data Centers en France
/data-center-milan-italie/Subdomain Milan
A-TITLE Nos campus de data centers en Italie
/data-center-luxembourg/Subdomain Text duplicate Luxembourg
A-TITLE Notre campus de Data Centers au Luxembourg
/data-center-madrid-espagne/Subdomain Madrid
A-TITLE Notre campus de Data Centers en Espagne
/data-centers-varsovie-pologne/Subdomain Varsovie
A-TITLE Notre campus de data centers en Pologne
/data-center-francfort-allemagne/Subdomain Francfort
A-TITLE Notre campus de Data centers en Allemagne
/data-center-paris-france/Subdomain Text duplicate Paris
A-TITLE Notre campus de Data Centers en France
/data-center-milan-italie/Subdomain Text duplicate Milan
A-TITLE Nos campus de data centers en Italie
/data-center-luxembourg/Subdomain Text duplicate Luxembourg
A-TITLE Notre campus de Data Centers au Luxembourg
/data-center-madrid-espagne/Subdomain Text duplicate Madrid
A-TITLE Notre campus de Data Centers en Espagne
/data-centers-varsovie-pologne/Subdomain Text duplicate Varsovie
A-TITLE Notre campus de data centers en Pologne
/data-center-francfort-allemagne/Subdomain Text duplicate Francfort
A-TITLE Notre campus de Data centers en Allemagne
/actualites-data4/lanalyse-du-...Subdomain Août 22, 2024 Actualités de DATA4 L’analyse du cycle de vie permet de révéler l’impact environnemental du data center
/actualites-data4/3-questions-...Subdomain Juillet 9, 2024 Actualités de DATA4 3 questions à Linda Lescuyer, Responsable Innovation (Data4)
/dictionnaire-du-datacenter/to...Subdomain Juin 28, 2024 Dictionnaire du datacenter Tout comprendre sur la certification HDS
https://www.data4group.com/blog/Subdomain Tous nos articles
/ressources/rapport-rse-2023/Subdomain Rapport RSE 2023
/ressources/greener-data-volum...Subdomain Greener Data – Volume Two
/ressources/les-enjeux-cles-po...Subdomain Les enjeux clés pour un numérique responsable
/ressources/les-kpi-environnem...Subdomain Les KPI environnementaux de la DSI, en partenariat avec AdVaes
/ressources/categories/livres-...Subdomain Toutes nos ressources
https://www.youtube.com/watch?...External Subdomain Marcoussis Campus PAR1
https://www.youtube.com/watch?...External Subdomain Madrid - San Agustín del Guadalix Campus
https://www.youtube.com/watch?...External Subdomain Warsaw Campus
https://www.youtube.com/watch?...External Subdomain Madrid - Alcobendas Campus
https://www.data4group.com/Subdomain DATA4 Group
/data-center-paris-france/Subdomain Campus Paris-Saclay Route de Nozay 91460 Marcoussis France
/data-center-milan-italie/Subdomain Campus Milan Via Monzoro 101-105 20007 Cornaredo (MI) Italie
/data-center-luxembourg/Subdomain Campus Luxembourg 7, rue de Bitbourg 1273 Luxembourg Luxembourg
/data-center-madrid-espagne/Subdomain Campus Madrid Avenida de la Industria, 15 28108 Alcobendas Espagne
/data-centers-varsovie-pologne/Subdomain Campus Varsovie Przyparkowa 21 05-850 Jawczyce Pologne
/data-center-francfort-allemagne/Subdomain Campus Francfort Depotstraße 63457 Hanau Allemagne
https://www.data4group.com/Subdomain IMG-ALT DATA4 - Smart Data Centers at Scale
/datacenter-europe-campus-data...Subdomain Data Centers
/solution-datacenter-d4-hosting/Subdomain Text duplicate Notre portefeuille de services
/hybrid-it-2/Subdomain Hybrid Cloud
/expert-datacenter-design/Subdomain Expertise
/qui-sommes-nous-data4/Subdomain À propos de DATA4
/carrieres/Subdomain Text duplicate Carrières
/contact/Subdomain Text duplicate Contact
https://cwp.data4group.com/External Subdomain Portail client
https://www.linkedin.com/compa...New window Nofollow External Subdomain No Text
https://www.youtube.com/channe...New window Nofollow External Subdomain No Text
/conditions-generales-dutilisa...Subdomain Conditions Générales d’utilisation du site
/mentions-legales/Subdomain Mentions Légales
/politique-donnees-personnelles/Subdomain Politique de données personnelles
/contact/Subdomain Text duplicate Contact
/politique-donnees-personnelles/New window Subdomain Politique de données personnelles ici

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.data4group.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.60 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (144 kB).

HTTP Response Header

NameValue
dateWed, 28 Aug 2024 18:12:42 GMT
serverApache
x-powered-byPHP/7.4.25
link<https://www.data4group.com/wp-json/>; rel="https://api.w.org/", <https://www.data4group.com/wp-json/wp/v2/pages/5>; rel="alternate"; title="JSON"; type="application/json", <https://www.data4group.com/>; rel=shortlink
content-encodinggzip
content-length26829
content-typetext/html; charset=UTF-8
via1.1 varnish (Varnish/6.3), 1.1 varnish (Varnish/6.3)
varyAccept-Encoding
x-cache-hits5
x-cacheHIT
accept-rangesbytes
age159
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 369 referring domains.
This page has 2,788 backlinks.
This page has backlinks from 300 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow: /?s=
Disallow: /page/*/?s=
Disallow: /search/

Sitemap: https://www.data4group.com/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

Similar sites

Search preview

www.data4group.com
DATA4 | DataCenter en Europe | Data center France Italie Luxembourg
DATA4 | DataCenter en Europe | Data center France Italie Luxembourg Espagne | Plus grand campus de Data Centers d'Europe | Colocation Datacenters en France

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
data92%Check
data center88%Check
Data Centers82%Check
de data82%Check
DATA481%Check
de data centers80%Check
campus de data centers79%Check
de DATA478%Check
Data center France78%Check
Center Luxembourg75%Check
Show more keywords and terms

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