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SGSiteGraph

wsl.ch

Eidg. Forschungsanstalt WSL

Last scanned Jul 26, 2026, 7:46 AM

89

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.

70

SEO

4 issue(s) found

100

Performance

509 ms

100

Security

HTTPS & header checks

90

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.

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

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

OpenGraph & Twitter Card

OpenGraph

og:title
Eidg. Forschungsanstalt WSL
og:description
Die Eidg. Forschungsanstalt WSL untersucht Wald, Landschaft, Biodiversität, Naturgefahren sowie Schnee und Eis. Sie gehört zum ETH-Bereich.
og:type
website
og:url
https://www.wsl.ch/de/

Twitter Card

twitter:card
summary
twitter:title
Eidg. Forschungsanstalt WSL
twitter:description
Die Eidg. Forschungsanstalt WSL untersucht Wald, Landschaft, Biodiversität, Naturgefahren sowie Schnee und Eis. Sie gehört zum ETH-Bereich.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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/

See something wrong on this report? Request a correction

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.