Website review cnes.fr
CNES - Centre national d'études spatiales
Generated on March 04 2026 17:48 PM
Old data? UPDATE !
The score is 66/100
SEO Content
Title
CNES - Centre national d'études spatiales
Length : 41
Perfect, your title contains between 10 and 70 characters.
Description
A la fois agence de programme, centre technique et opérateur spatial, le CNES réunit toutes les fonctions permettant au gouvernement français de définir et mettre en œuvre sa stratégie spatiale.
Length : 194
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Keywords
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Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| image | https://cnes.fr/sites/default/files/styles/3x2_lg/public/2026-01/illustration-cnes-mysteres-univers-banniere-clair.jpg.webp?h=3194a44e&itok=VKJZCoNe |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 2 | 8 | 10 | 0 | 0 | 0 |
- [H1] Percer les mystères de l’Univers
- [H1] Paramètres d'affichage
- [H2] Découvrez le CNES
- [H2] Actualités
- [H2] Sophie Adenot, une Française à bord de la Station spatiale internationale
- [H2] Agenda
- [H2] La tête dans les étoiles
- [H2] Rejoignez l'aventure spatiale
- [H2] La newsletter du spatial
- [H2] La galaxie CNES
- [H3] En images : la nébuleuse de l’Œil du Chat vue par Hubble et Euclid
- [H3] BIRD, une innovation pour augmenter le débit des satellites d’observation de la Terre
- [H3] « Le triptyque CNES, laboratoires et industrie est un écosystème vertueux »
- [H3] Mission Crew-12 : revivez le décollage de Sophie Adenot et son arrivée dans l’ISS !
- [H3] VA267 : revivez le lancement de la première Ariane 6 à quatre boosters
- [H3] Exposition : Lune, Préparez, Explorez, Rêvez !
- [H3] De Diamant à Ariane 6, un héritage émouvant
- [H3] CNESMAG 99 : Espace, science essentielle
- [H3] Il y a du nouveau dans la Boutique CNES !
- [H3] Les Baroudeurs du CNES, notre nouveau podcast
Images
We found 15 images on this web page.
11 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 34%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 79 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Aller au contenu principal | Internal | Passing Juice |
| Menu | Internal | Passing Juice |
| Pied de page | Internal | Passing Juice |
| Centre spatial guyanais | Internal | Passing Juice |
| Ressources | Internal | Passing Juice |
| Newsletter | Internal | Passing Juice |
| FR - Français | Internal | Passing Juice |
| EN - English | Internal | Passing Juice |
| Le CNES en bref | Internal | Passing Juice |
| Activités | Internal | Passing Juice |
| 60 ans d'histoire | Internal | Passing Juice |
| Europe et international | Internal | Passing Juice |
| Le CNES s'engage | Internal | Passing Juice |
| Gouvernance | Internal | Passing Juice |
| Etablissements | Internal | Passing Juice |
| Documents de référence | Internal | Passing Juice |
| Achats du CNES | Internal | Passing Juice |
| Boutique CNES | Internal | Passing Juice |
| Actualités | Internal | Passing Juice |
| Agenda | Internal | Passing Juice |
| Explorez nos projets | Internal | Passing Juice |
| Tous les contenus 🚀🌎✨🛰️ | Internal | Passing Juice |
| Décrypter les phénomènes spatiaux | Internal | Passing Juice |
| Décoller pour l'espace : les fusées | Internal | Passing Juice |
| Vivre dans l'espace : astronautes et vols habités | Internal | Passing Juice |
| Découvrir les satellites, ballons et véhicules spatiaux | Internal | Passing Juice |
| Observer la Terre : données spatiales et environnement | Internal | Passing Juice |
| Communiquer et naviguer : les systèmes par satellite | Internal | Passing Juice |
| Explorer l'Univers : planètes et autres corps célestes | Internal | Passing Juice |
| Espace, culture et science fiction | Internal | Passing Juice |
| Travailler au CNES | Internal | Passing Juice |
| Nos métiers | Internal | Passing Juice |
| Offres d'emploi | Internal | Passing Juice |
| Stages et alternance | Internal | Passing Juice |
| Doctorats et post-doctorats | Internal | Passing Juice |
| Journalistes | Internal | Passing Juice |
| Scientifiques | Internal | Passing Juice |
| Entreprises | Internal | Passing Juice |
| Collectivités | Internal | Passing Juice |
| Acteurs de l'éducation | Internal | Passing Juice |
| Etudiants | Internal | Passing Juice |
| Jeunes et élèves | Internal | Passing Juice |
| Extra-terrestres | Internal | Passing Juice |
| Lire notre dossier | Internal | Passing Juice |
| En images : la nébuleuse de l’Œil du Chat vue par Hubble et Euclid | Internal | Passing Juice |
| BIRD, une innovation pour augmenter le débit des satellites d’observation de la Terre | Internal | Passing Juice |
| « Le triptyque CNES, laboratoires et industrie est un écosystème vertueux » | Internal | Passing Juice |
| Revoir son départ et suivre le début de son aventure spatiale ! | Internal | Passing Juice |
| Mission Crew-12 : revivez le décollage de Sophie Adenot et son arrivée dans l’ISS ! | Internal | Passing Juice |
| VA267 : revivez le lancement de la première Ariane 6 à quatre boosters | Internal | Passing Juice |
| Exposition : Lune, Préparez, Explorez, Rêvez ! | Internal | Passing Juice |
| De Diamant à Ariane 6, un héritage émouvant | External | Passing Juice |
| CNESMAG 99 : Espace, science essentielle | Internal | Passing Juice |
| Il y a du nouveau dans la Boutique CNES ! | Internal | Passing Juice |
| Les Baroudeurs du CNES, notre nouveau podcast | Internal | Passing Juice |
| Voir les offres | Internal | Passing Juice |
| External | Passing Juice | |
| External | Passing Juice | |
| External | Passing Juice | |
| TikTok | External | Passing Juice |
| YouTube | External | Passing Juice |
| Twitch | External | Passing Juice |
| Threads | External | Passing Juice |
| Bluesky | External | Passing Juice |
| Mastodon | External | Passing Juice |
| X (ex Twitter) | External | Passing Juice |
| External | Passing Juice | |
| Spotify | External | Passing Juice |
| legifrance.gouv.fr | External | Passing Juice |
| gouvernement.fr | External | Passing Juice |
| service-public.fr | External | Passing Juice |
| data.gouv.fr | External | Passing Juice |
| Accessibilité : partiellement conforme | Internal | Passing Juice |
| Mentions légales | Internal | Passing Juice |
| Politique de confidentialité | Internal | Passing Juice |
| Gestion des cookies | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Centre spatial guyanais | Internal | Passing Juice |
| Licence Etalab-2.0 | External | Passing Juice |
SEO Keywords
Keywords Cloud
science centre une spatiale française spatial newsletter agenda actualités cnes
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| cnes | 20 |  |
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| spatial | 7 | |
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| spatiale | 6 | |
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| agenda | 5 | |
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| centre | 4 | |
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Usability
Url
Domain : cnes.fr
Length : 7
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is fr.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Too bad, your website has too many CSS files (more than 4). |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.cnes.fr/sitemap.xml |
Robots.txt
https://cnes.fr/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
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PageSpeed Insights
Device
Categories
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