What technology does erratique.ch use?

erratique.ch is built with Nginx.

Is erratique.ch secure (HTTPS)?

Yes. erratique.ch uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.

Who hosts erratique.ch?

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

What is erratique.ch's SEO score?

erratique.ch scored 70/100 for SEO in the latest analysis (fair).

What is erratique.ch's overall website score?

erratique.ch has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

erratique.ch

Contact / Erratique

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Great

Summary

Daniel Bünzli's contact information. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

Daniel Bünzli's contact information.

Top issues to fix

10 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+4 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

242 ms

Security

HTTPS & header checks

100

Accessibility

0 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.

Daniel Bünzli's contact information.

Contact

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

Email: i@erratique.ch

Technologies

Detected frameworks, languages, and tools.

Nginx

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: Let's Encrypt
Subject: erratique.ch
Valid from: Jun 9, 2026
Valid to: Sep 7, 2026
Days until expiry: 40
SAN domains: erratique.ch

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 0

Links

15 internal · 1 external · 16 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 1 stylesheets

JS / CSS size

0 B · 0 B

Page size

3.8 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://erratique.ch
Final URL: https://erratique.ch/contact.en
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 242 ms
HTML size: 3.8 KB
Redirect chain: https://erratique.ch → https://erratique.ch/contact.en

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does erratique.ch use?: erratique.ch is built with Nginx.
Is erratique.ch secure (HTTPS)?: Yes. erratique.ch uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.
Who hosts erratique.ch?: Hosting provider information for erratique.ch is not available yet.
What is erratique.ch's SEO score?: erratique.ch scored 70/100 for SEO in the latest analysis (fair).
What is erratique.ch's overall website score?: erratique.ch has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.