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threema.ch

Threema – Secure Communication For Individuals and Companies

Last scanned Jul 18, 2026, 8:49 PM

88

Overall score

Great

Top issues to fix

3 issues found

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • 2 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

Summary

The secure instant messenger from Switzerland. This website uses Nginx hosted on NINE - Nine Internet Solutions AG, CH. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance fair (70/100). Top issue: Title longer than 60 characters.

85

SEO

2 issue(s) found

70

Performance

1.49 s

100

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.

X (Twitter)LinkedIn

Contact

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

Source: https://threema.com/en/support/private

Meta tags

Title
Threema – Secure Communication For Individuals and Companies
Description
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
Canonical
https://threema.com/en
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Secure Communication For Individuals and Companies
og:description
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
og:type
website
og:url
https://threema.com/en

Twitter Card

twitter:card
summary_large_image
twitter:title
Secure Communication For Individuals and Companies
twitter:description
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

CDN provider
—
IP address
203.56.112.78
ASN
AS29691 (NINE - Nine Internet Solutions AG, CH)

DNS records

TypeValue
A
  • 203.56.112.78
AAAA
  • 2a14:3e40:112:312::78
MX—
TXT
  • dbf37de8b6f793a18828fb4fbdd451b6
  • google-site-verification=0JtLfG4Qk0bhvlyCU9HqmlfWaUcOZX8nkWctdblaFf4
  • v=spf1 -all
NS
  • ns5.threema.ch
  • ns1.threema.ch
  • ns2.threema.ch
CAA
  • 0 issue "sectigo.com"
  • 0 issue "trust-provider.com"
  • 0 issue "comodoca.com"
  • 0 iodef "mailto:security@threema.ch"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
*.threema.com
Valid from
Jun 29, 2026
Valid to
Jan 13, 2027
Days until expiry
179
SAN domains
*.threema.com, threema.com

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 14

Links

83 internal · 21 external · 2 broken

Images

247 total · 0 missing alt

Scripts / Styles

7 scripts · 2 stylesheets

JS / CSS size

470 KB · 474 KB

Page size

584 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Found
URLs in sitemap
3403

SEO issues

  • Title longer than 60 characters
  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://threema.ch
Final URL
https://threema.com/en
HTTP status
200
HTTP version
HTTP/2
Response time
1.48 s
HTML size
584 KB
Redirect chain
https://threema.ch → https://threema.com/ → https://threema.com/en

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Frequently asked questions

What technology does threema.ch use?
threema.ch is built with Nginx.
Is threema.ch secure (HTTPS)?
Yes. threema.ch uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 13, 2027.
Who hosts threema.ch?
threema.ch is hosted on NINE - Nine Internet Solutions AG, CH.
What is threema.ch's SEO score?
threema.ch scored 85/100 for SEO in the latest analysis (great).
What is threema.ch's overall website score?
threema.ch has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
Is threema.ch hiring?
threema.ch has a careers page; check it directly for current openings.