ensta.fr
École nationale supérieure de techniques avancées – Paris-Saclay – Brest, Bretagne
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Excellent
Summary
L'ENSTA est une grande école d'ingénieurs française reconnue internationalement pour ses formations d'ingénieur et ses activités de recherche. This website uses PHP hosted on OVH - OVH SAS, FR. SEO is excellent (95/100) and accessibility is good (85/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
L'ENSTA est une grande école d'ingénieurs française reconnue internationalement pour ses formations d'ingénieur et ses activités de recherche.
- France
- Hosted on OVH - OVH SAS, FR
Top issues to fix
4 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
SEO
1 issue(s) found
Performance
384 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- École nationale supérieure de techniques avancées – Paris-Saclay – Brest, Bretagne
- Description
- L'ENSTA est une grande école d'ingénieurs française reconnue internationalement pour ses formations d'ingénieur et ses activités de recherche.
- Canonical
- https://www.ensta.fr/
- Language
- fr
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- OVH - OVH SAS, FR
- CDN provider
- —
- IP address
- 91.134.241.140
- ASN
- AS16276 (OVH - OVH SAS, FR)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- ensta.fr
- Valid from
- Jun 13, 2026
- Valid to
- Sep 11, 2026
- Days until expiry
- 46
- SAN domains
- ensta.fr, www.ensta.fr
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 10
Links
164 internal · 8 external · 0 broken
Images
44 total · 22 missing alt
Scripts / Styles
6 scripts · 2 stylesheets
JS / CSS size
371 KB · 161 KB
Page size
144 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 33
- sitemap.xml
- Found
- URLs in sitemap
- 896
SEO issues
- Title longer than 60 characters
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://ensta.fr
- Final URL
- https://www.ensta.fr/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 382 ms
- HTML size
- 144 KB
- Redirect chain
- https://ensta.fr → https://www.ensta.fr/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ensta.fr use?
- ensta.fr is built with PHP, Drupal, jQuery, Apache.
- Is ensta.fr secure (HTTPS)?
- Yes. ensta.fr uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 11, 2026.
- Who hosts ensta.fr?
- ensta.fr is hosted on OVH - OVH SAS, FR.
- What is ensta.fr's SEO score?
- ensta.fr scored 95/100 for SEO in the latest analysis (excellent).
- What is ensta.fr's overall website score?
- ensta.fr has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card