Is wsl.ch secure (HTTPS)?

Yes. wsl.ch uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 19, 2026.

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.

Has wsl.ch's score changed over time?

wsl.ch's overall score has stayed steady at 89/100 since Jul 26, 2026.

wsl.ch

Eidg. Forschungsanstalt WSL

Last scanned Aug 6, 2026, 6:00 AM · 7 views

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
SEO
Add 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
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

4 issue(s) found

100

Performance

649 ms

100

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall: 89
SEO: 70
Security: 100
Performance: 100
Accessibility: 90

Organization

Company details published in this site's own structured data.

Die Eidg. Forschungsanstalt WSL untersucht Wald, Landschaft, Biodiversität, Naturgefahren sowie Schnee und Eis. Sie gehört zum ETH-Bereich.

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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.

Apache

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: 105
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

Scan details

Requested URL: https://wsl.ch
Final URL: https://www.wsl.ch/de/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 648 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.
Has wsl.ch's score changed over time?: wsl.ch's overall score has stayed steady at 89/100 since Jul 26, 2026.