threema.com
Threema – Secure Communication For Individuals and Companies
Last scanned Aug 5, 2026, 9:00 PM · 5 views
Overall score
Great
Summary
The secure instant messenger from Switzerland. This website uses Nginx. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Title longer than 60 characters.
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
Top issues to fix
5 issues found
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
3 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
424 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 88
- SEO
- 75
- Security
- 100
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.
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
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- 203.56.112.78
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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
- 161
- 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 · 3 broken
Images
247 total · 0 missing alt
Scripts / Styles
7 scripts · 2 stylesheets
JS / CSS size
471 KB · 492 KB
Page size
585 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://threema.com
- Final URL
- https://threema.com/en
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 413 ms
- HTML size
- 585 KB
- Redirect chain
- https://threema.com → https://threema.com/en
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Frequently asked questions
- What technology does threema.com use?
- threema.com is built with Nginx.
- Is threema.com secure (HTTPS)?
- Yes. threema.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 13, 2027.
- Who hosts threema.com?
- Hosting provider information for threema.com is not available yet.
- What is threema.com's SEO score?
- threema.com scored 75/100 for SEO in the latest analysis (fair).
- What is threema.com's overall website score?
- threema.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has threema.com's score changed over time?
- threema.com's overall score has stayed steady at 88/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card