wsl.ch
Eidg. Forschungsanstalt WSL
Last scanned Jul 26, 2026, 7:46 AM
Overall score
Great
Summary
Die Eidg. This website uses Apache. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No H1 heading found.
Die Eidg. Forschungsanstalt WSL untersucht Wald, Landschaft, Biodiversität, Naturgefahren sowie Schnee und Eis. Sie gehört zum ETH-Bereich.
Top issues to fix
5 issues found · 1 high priority
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
509 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Eidg. Forschungsanstalt WSL
- Description
- Die Eidg. Forschungsanstalt WSL untersucht Wald, Landschaft, Biodiversität, Naturgefahren sowie Schnee und Eis. Sie gehört zum ETH-Bereich.
- Canonical
- https://www.wsl.ch/de/
- Language
- de-CH
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index,follow
- Manifest
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
- DigiCert Inc
- Subject
- *.wsl.ch
- Valid from
- Oct 28, 2025
- Valid to
- Nov 19, 2026
- Days until expiry
- 114
- SAN domains
- *.wsl.ch, wsl.ch
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 6 · H3 0
Links
33 internal · 17 external · 20 broken
Images
13 total · 0 missing alt
Scripts / Styles
2 scripts · 4 stylesheets
JS / CSS size
416 B · 0 B
Page size
52.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://wsl.ch
- Final URL
- https://www.wsl.ch/de/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 508 ms
- HTML size
- 52.9 KB
- Redirect chain
- https://wsl.ch → https://www.wsl.ch/ → https://www.wsl.ch/de/
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Frequently asked questions
- What technology does wsl.ch use?
- wsl.ch is built with Apache.
- Is wsl.ch secure (HTTPS)?
- Yes. wsl.ch uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 19, 2026.
- Who hosts wsl.ch?
- Hosting provider information for wsl.ch is not available yet.
- What is wsl.ch's SEO score?
- wsl.ch scored 70/100 for SEO in the latest analysis (fair).
- What is wsl.ch's overall website score?
- wsl.ch has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card