What technology does seinesaintdenis.fr use?

We did not detect any specific technologies for seinesaintdenis.fr in the latest scan.

Is seinesaintdenis.fr secure (HTTPS)?

Yes. seinesaintdenis.fr uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 31, 2026.

Who hosts seinesaintdenis.fr?

Hosting provider information for seinesaintdenis.fr is not available yet.

What is seinesaintdenis.fr's SEO score?

seinesaintdenis.fr scored 60/100 for SEO in the latest analysis (fair).

What is seinesaintdenis.fr's overall website score?

seinesaintdenis.fr has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.

seinesaintdenis.fr

Seine-Saint-Denis

Last scanned Jul 26, 2026, 12:49 PM

Overall score

Fair

Summary

SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

10 issues found · 3 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+4 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

232 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

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: Sectigo Limited
Subject: seinesaintdenis.fr
Valid from: Jun 16, 2026
Valid to: Dec 31, 2026
Days until expiry: 156
SAN domains: seinesaintdenis.fr, accelerateurdhistoires.seinesaintdenis.fr, actualite.seinesaintdenis.fr, artsvisuels.seinesaintdenis.fr, campusfrancophone.seinesaintdenis.fr, cominterne.seinesaintdenis.fr, devenirs.seinesaintdenis.fr, etablissements.seinesaintdenis.fr, grs.seinesaintdenis.fr, jeparticipe.seinesaintdenis.fr, jopparis2024.seinesaintdenis.fr, lafabriquedesjeux.seinesaintdenis.fr, lemag.seinesaintdenis.fr, mae.seinesaintdenis.fr, micaco.seinesaintdenis.fr, oivf.seinesaintdenis.fr, patrimoine.seinesaintdenis.fr, ressources.seinesaintdenis.fr, sacg.seinesaintdenis.fr, ssdmonde.seinesaintdenis.fr, travaux.seinesaintdenis.fr, voeux.seinesaintdenis.fr, www.seinesaintdenis.fr

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

1 scripts · 0 stylesheets

JS / CSS size

746 B · 1.8 KB

Page size

3.3 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://seinesaintdenis.fr
Final URL: https://seinesaintdenis.fr/shield?u=/
HTTP status: 200
HTTP version: HTTP/1.0
Response time: 232 ms
HTML size: 3.3 KB
Redirect chain: https://seinesaintdenis.fr → https://seinesaintdenis.fr/shield?u=/

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Frequently asked questions

What technology does seinesaintdenis.fr use?: We did not detect any specific technologies for seinesaintdenis.fr in the latest scan.
Is seinesaintdenis.fr secure (HTTPS)?: Yes. seinesaintdenis.fr uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 31, 2026.
Who hosts seinesaintdenis.fr?: Hosting provider information for seinesaintdenis.fr is not available yet.
What is seinesaintdenis.fr's SEO score?: seinesaintdenis.fr scored 60/100 for SEO in the latest analysis (fair).
What is seinesaintdenis.fr's overall website score?: seinesaintdenis.fr has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.