cnes.fr
CNES - Centre national d'études spatiales
Last scanned Aug 2, 2026, 9:00 PM · 10 views
Overall score
Excellent
Summary
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. This website uses Drupal. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
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.
Top issues to fix
6 issues found
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
5 issue(s) found
Performance
390 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+8 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 70
- Security
- 100
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
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.
Contact
Email, phone, and address published on this site's own pages.
- nom@exemple.org
Meta tags
- Title
- CNES - Centre national d'études spatiales
- 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.
- Canonical
- https://cnes.fr/
- Language
- fr
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- cnes.fr
- Valid from
- Jul 5, 2026
- Valid to
- Oct 3, 2026
- Days until expiry
- 61
- SAN domains
- cnes.fr
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 2 · H2 9 · H3 10
Links
54 internal · 22 external · 20 broken
Images
16 total · 0 missing alt
Scripts / Styles
7 scripts · 5 stylesheets
JS / CSS size
1.7 KB · 88 B
Page size
79.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cnes.fr
- Final URL
- https://cnes.fr
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 389 ms
- HTML size
- 79.5 KB
- Redirect chain
- https://cnes.fr
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Frequently asked questions
- What technology does cnes.fr use?
- cnes.fr is built with Drupal, jQuery.
- Is cnes.fr secure (HTTPS)?
- Yes. cnes.fr uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 3, 2026.
- Who hosts cnes.fr?
- Hosting provider information for cnes.fr is not available yet.
- What is cnes.fr's SEO score?
- cnes.fr scored 70/100 for SEO in the latest analysis (fair).
- What is cnes.fr's overall website score?
- cnes.fr has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has cnes.fr's score changed over time?
- cnes.fr's overall score has improved by 8 points (from 83 to 91) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card