What technology does zh.ch use?

We did not detect any specific technologies for zh.ch in the latest scan.

Is zh.ch secure (HTTPS)?

Yes. zh.ch uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 18, 2026.

Hosting provider information for zh.ch is not available yet.

What is zh.ch's SEO score?

zh.ch scored 85/100 for SEO in the latest analysis (great).

What is zh.ch's overall website score?

zh.ch has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

Has zh.ch's score changed over time?

zh.ch's overall score has improved by 4 points (from 89 to 93) since Jul 26, 2026.

zh.ch

Startseite | Kanton Zürich

Last scanned Aug 3, 2026, 2:00 AM · 10 views

Overall score

Excellent

Summary

Offizielle Website des Kantons Zürich. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.

Offizielle Website des Kantons Zürich.

Top issues to fix

6 issues found · 1 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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

3 issue(s) found

100

Performance

663 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+4 overall since Jul 26, 2026

Overall: 93
SEO: 85
Security: 90
Performance: 100
Accessibility: 100

Organization

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

Offizielle Website des Kantons Zürich.

Facebook LinkedIn X (Twitter)YouTube Instagram

Contact

Email, phone, and address published on this site's own pages.

Phone: +41432591111

Meta tags

Title: Startseite | Kanton Zürich
Description: Offizielle Website des Kantons Zürich.
Canonical: https://www.zh.ch/de.html
Language: de
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest: https://www.zh.ch/etc.clientlibs/zhweb/core/clientlibs/publish/resources/manifest.json

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

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: *.zh.ch
Valid from: Jun 3, 2026
Valid to: Dec 18, 2026
Days until expiry: 137
SAN domains: *.zh.ch, zh.ch

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 3 · H2 7 · H3 9

Links

40 internal · 5 external · 20 broken

Images

6 total · 0 missing alt

Scripts / Styles

10 scripts · 2 stylesheets

JS / CSS size

4.6 KB · 0 B

Page size

93.2 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Multiple H1 headings found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://zh.ch
Final URL: https://www.zh.ch/de.html
HTTP status: 200
HTTP version: HTTP/2
Response time: 662 ms
HTML size: 93.2 KB
Redirect chain: https://zh.ch → https://www.zh.ch/ → https://www.zh.ch/de.html

See something wrong on this report? Request a correction

Frequently asked questions

What technology does zh.ch use?: We did not detect any specific technologies for zh.ch in the latest scan.
Is zh.ch secure (HTTPS)?: Yes. zh.ch uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 18, 2026.
Who hosts zh.ch?: Hosting provider information for zh.ch is not available yet.
What is zh.ch's SEO score?: zh.ch scored 85/100 for SEO in the latest analysis (great).
What is zh.ch's overall website score?: zh.ch has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
Has zh.ch's score changed over time?: zh.ch's overall score has improved by 4 points (from 89 to 93) since Jul 26, 2026.