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keraunos.org

KERAUNOS - Observatoire Français des Tornades et des Orages Violents - Prévision, suivi et étude des orages en France

Last scanned Jul 27, 2026, 9:43 AM · 1 view

73

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

    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 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

+5 more issues — details in the sections below.

70

SEO

5 issue(s) found

75

Performance

767 ms

65

Security

HTTPS & header checks

85

Accessibility

1 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.

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

OpenGraph & Twitter Card

OpenGraph

og:title
KERAUNOS - Observatoire Français des Tornades et des Orages Violents - Prévision, suivi et étude des orages en France
og: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.
og:type
website
og:url
http://www.keraunos.org/

Twitter Card

twitter:card
summary_large_image
twitter:title
KERAUNOS - Observatoire Français des Tornades et des Orages Violents - Prévision, suivi et étude des orages en France
twitter: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.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
OVH - OVH SAS, FR
CDN provider
IP address
213.32.5.162
ASN
AS16276 (OVH - OVH SAS, FR)

DNS records

TypeValue
A
  • 213.32.5.162
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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
58
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

45 total · 20 missing alt

Scripts / Styles

46 scripts · 30 stylesheets

JS / CSS size

1.7 MB · 520 KB

Page size

96.4 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
766 ms
HTML size
96.4 KB
Redirect chain
https://keraunos.org → https://www.keraunos.org/

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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.