psi.ch
Paul Scherrer Institut PSI
Last scanned Jul 26, 2026, 5:18 AM
Overall score
Great
Summary
Das Paul Scherrer Institut PSI ist das grösste Forschungszentrum für Natur- und Ingenieurwissenschaften in der Schweiz. This website uses Drupal hosted on Fastly behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance fair (60/100). Top issue: Meta description longer than 160 characters.
Das Paul Scherrer Institut PSI ist das grösste Forschungszentrum für Natur- und Ingenieurwissenschaften in der Schweiz. Wir betreiben Spitzenforschung in den Bereichen Materie und Material, Mensch und Gesundheit sowie Energie und Umwelt. Durch Grundlagen- und angewandte Forschung arbeiten wir an nachhaltigen Lösungen für zentrale Fragen aus Gesellschaft, Wirtschaft und Wissenschaft.
- United States
- Hosted on Fastly
Top issues to fix
4 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.
Slow estimated load (5.9s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
2 issue(s) found
Performance
5.92 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Das Paul Scherrer Institut PSI ist das grösste Forschungszentrum für Natur- und Ingenieurwissenschaften in der Schweiz. Wir betreiben Spitzenforschung in den Bereichen Materie und Material, Mensch und Gesundheit sowie Energie und Umwelt. Durch Grundlagen- und angewandte Forschung arbeiten wir an nachhaltigen Lösungen für zentrale Fragen aus Gesellschaft, Wirtschaft und Wissenschaft.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Paul Scherrer Institut PSI
- Description
- Das Paul Scherrer Institut PSI ist das grösste Forschungszentrum für Natur- und Ingenieurwissenschaften in der Schweiz. Wir betreiben Spitzenforschung in den Bereichen Materie und Material, Mensch und Gesundheit sowie Energie und Umwelt. Durch Grundlagen- und angewandte Forschung arbeiten wir an nachhaltigen Lösungen für zentrale Fragen aus Gesellschaft, Wirtschaft und Wissenschaft.
- Canonical
- https://www.psi.ch/de
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- www.psi.ch
- Valid from
- Apr 24, 2026
- Valid to
- Nov 8, 2026
- Days until expiry
- 105
- SAN domains
- www.psi.ch
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 22 · H3 22
Links
269 internal · 39 external · 0 broken
Images
47 total · 0 missing alt
Scripts / Styles
3 scripts · 4 stylesheets
JS / CSS size
560 KB · 448 KB
Page size
309 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 49
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://psi.ch
- Final URL
- https://www.psi.ch/de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 5.91 s
- HTML size
- 309 KB
- Redirect chain
- https://psi.ch → https://www.psi.ch/ → https://www.psi.ch/de
See something wrong on this report? Request a correction
Related websites
Same technology stack
ncua.gov
NCUA
pg.edu.pl
Politechnika Gdańska - uczelnia badawcza w Trójmieście
uwplatt.edu
University of Wisconsin-Platteville | College in Wisconsin
tec.mx
Inicio | Tecnológico de Monterrey
fca.org.uk
Financial Conduct Authority | FCA
geaerospace.com
GE Aerospace - Home | GE Aerospace
Same hosting provider
foresee.com
Predictive Analytics for Customer Experience | Verint
voicemod.net
Free Real Time Voice Changer for PC & Mac | Voicemod
researchandmarkets.com
Research and Markets - Market Research Reports - Welcome
hallensteins.co.nz
Hallensteins | Menswear NZ
karafun.com
Online Karaoke with a wide selection of songs on KaraFun
opensearch.org
Home - OpenSearch
Frequently asked questions
- What technology does psi.ch use?
- psi.ch is built with Drupal.
- Is psi.ch secure (HTTPS)?
- Yes. psi.ch uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 8, 2026.
- Who hosts psi.ch?
- psi.ch is hosted on Fastly, behind Fastly CDN.
- What is psi.ch's SEO score?
- psi.ch scored 85/100 for SEO in the latest analysis (great).
- What is psi.ch's overall website score?
- psi.ch has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card