archives-ouvertes.fr
Accueil - Archive ouverte HAL
Last scanned Aug 1, 2026, 4:00 AM · 6 views
Overall score
Great
Summary
This website uses Nginx. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
11 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
324 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+7 overall since Jul 25, 2026
- Overall
- 82
- SEO
- 60
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Meta tags
- Title
- Accueil - Archive ouverte HAL
- Description
- Canonical
- Language
- fr
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
- https://hal.science/assets/site.webmanifest
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
- Hellenic Academic and Research Institutions CA
- Subject
- *.hal.science
- Valid from
- Jul 23, 2026
- Valid to
- Feb 7, 2027
- Days until expiry
- 189
- SAN domains
- *.hal.science, hal.science
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 2
Links
16 internal · 35 external · 20 broken
Images
9 total · 0 missing alt
Scripts / Styles
16 scripts · 4 stylesheets
JS / CSS size
2.9 KB · 0 B
Page size
30.6 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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://archives-ouvertes.fr
- Final URL
- https://hal.science/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 324 ms
- HTML size
- 30.6 KB
- Redirect chain
- https://archives-ouvertes.fr → https://hal.science/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does archives-ouvertes.fr use?
- archives-ouvertes.fr is built with Nginx.
- Is archives-ouvertes.fr secure (HTTPS)?
- Yes. archives-ouvertes.fr uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 7, 2027.
- Who hosts archives-ouvertes.fr?
- Hosting provider information for archives-ouvertes.fr is not available yet.
- What is archives-ouvertes.fr's SEO score?
- archives-ouvertes.fr scored 60/100 for SEO in the latest analysis (fair).
- What is archives-ouvertes.fr's overall website score?
- archives-ouvertes.fr has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Has archives-ouvertes.fr's score changed over time?
- archives-ouvertes.fr's overall score has improved by 7 points (from 75 to 82) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card