opendata.ch
Home – Opendata.ch
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Great
Summary
This website uses WordPress hosted on NINE - Nine Internet Solutions AG, CH. SEO is good (80/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
- Switzerland
- Hosted on NINE - Nine Internet Solutions AG, CH
Top issues to fix
7 issues found · 4 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
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.
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 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
371 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Home – Opendata.ch
- Description
- Canonical
- https://opendata.ch/
- Language
- en-GB
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- NINE - Nine Internet Solutions AG, CH
- CDN provider
- —
- IP address
- 5.148.188.59
- ASN
- AS29691 (NINE - Nine Internet Solutions AG, CH)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- opendata.ch
- Valid from
- Jul 11, 2026
- Valid to
- Oct 9, 2026
- Days until expiry
- 45
- SAN domains
- beta.opendata.ch, en.opendata.ch, energy.opendata.ch, finance.opendata.ch, food.opendata.ch, fr.opendata.ch, glam.opendata.ch, make.opendata.ch, offenedaten.ch, old.opendata.ch, opendata.ch, prototypefund.opendata.ch, tourism.opendata.ch, trans.opendata.ch, www.offenedaten.ch, www.opendata.ch
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 4 · H3 11
Links
28 internal · 3 external · 0 broken
Images
12 total · 0 missing alt
Scripts / Styles
9 scripts · 1 stylesheets
JS / CSS size
218 KB · 58.8 KB
Page size
56.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- No H1 heading found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://opendata.ch
- Final URL
- https://opendata.ch
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 370 ms
- HTML size
- 56.0 KB
- Redirect chain
- https://opendata.ch
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does opendata.ch use?
- opendata.ch is built with WordPress, jQuery, Apache.
- Is opendata.ch secure (HTTPS)?
- Yes. opendata.ch uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 9, 2026.
- Who hosts opendata.ch?
- opendata.ch is hosted on NINE - Nine Internet Solutions AG, CH.
- What is opendata.ch's SEO score?
- opendata.ch scored 80/100 for SEO in the latest analysis (great).
- What is opendata.ch's overall website score?
- opendata.ch has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card