keraunos.org
KERAUNOS - Observatoire Français des Tornades et des Orages Violents - Prévision, suivi et étude des orages en France
Last scanned Aug 4, 2026, 8:00 AM · 11 views
Overall score
Fair
Summary
Orages et tornades en France : prévision, suivi, actualités, climatologie, informations. This website uses Apache hosted on OVH - OVH SAS, FR. SEO is fair (70/100) and accessibility is good (85/100). Security scores fair (65/100) and performance good (75/100). Top issue: Title longer than 60 characters.
Orages et tornades en France : prévision, suivi, actualités, climatologie, informations. Le site français de référence sur les orages et les tornades en France. Prévision, suivi et étude des orages en France.
- France
- Hosted on OVH - OVH SAS, FR
Top issues to fix
11 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+5 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
671 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 73
- SEO
- 70
- Security
- 65
- Performance
- 75
- Accessibility
- 85
Organization
Company details published in this site's own structured data.
Orages et tornades en France : prévision, suivi, actualités, climatologie, informations. Le site français de référence sur les orages et les tornades en France. Prévision, suivi et étude des orages en France.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- KERAUNOS - Observatoire Français des Tornades et des Orages Violents - Prévision, suivi et étude des orages en France
- Description
- Orages et tornades en France : prévision, suivi, actualités, climatologie, informations. Le site français de référence sur les orages et les tornades en France. Prévision, suivi et étude des orages en France.
- Canonical
- http://www.keraunos.org/
- Language
- fr
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=3.0, user-scalable=yes
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
- https://www.keraunos.org/img/favicon/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- OVH - OVH SAS, FR
- CDN provider
- —
- IP address
- 51.210.229.71
- 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
- www.keraunos.org
- Valid from
- Jun 26, 2026
- Valid to
- Sep 24, 2026
- Days until expiry
- 50
- SAN domains
- www.keraunos.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 4 · H2 5 · H3 12
Links
56 internal · 5 external · 0 broken
Images
44 total · 20 missing alt
Scripts / Styles
46 scripts · 32 stylesheets
JS / CSS size
1.8 MB · 520 KB
Page size
99.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 32
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://keraunos.org
- Final URL
- https://www.keraunos.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 669 ms
- HTML size
- 99.2 KB
- Redirect chain
- https://keraunos.org → https://www.keraunos.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does keraunos.org use?
- keraunos.org is built with Bootstrap, jQuery, Google Analytics, Google Ads, Apache.
- Is keraunos.org secure (HTTPS)?
- Yes. keraunos.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 24, 2026.
- Who hosts keraunos.org?
- keraunos.org is hosted on OVH - OVH SAS, FR.
- What is keraunos.org's SEO score?
- keraunos.org scored 70/100 for SEO in the latest analysis (fair).
- What is keraunos.org's overall website score?
- keraunos.org has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.
- Has keraunos.org's score changed over time?
- keraunos.org's overall score has stayed steady at 73/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card