posteo.de
Email green, secure, simple and ad-free - posteo.de -
Last scanned Jul 25, 2026, 2:25 AM · 2 views
Overall score
Great
Summary
Posteo is an innovative email provider that is concerned with sustainability and privacy and is completely ad-free. This website uses Apache hosted on INTERNET_AG - INTERNET AG Global Network, DE. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Posteo is an innovative email provider that is concerned with sustainability and privacy and is completely ad-free. Our email accounts, calendars and address books can be synchronised - we use comprehensive encryption.
- Germany
- Hosted on INTERNET_AG - INTERNET AG Global Network, DE
Top issues to fix
6 issues found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
5 issue(s) found
Performance
242 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Posteo is an innovative email provider that is concerned with sustainability and privacy and is completely ad-free. Our email accounts, calendars and address books can be synchronised - we use comprehensive encryption.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Email green, secure, simple and ad-free - posteo.de -
- Description
- Posteo is an innovative email provider that is concerned with sustainability and privacy and is completely ad-free. Our email accounts, calendars and address books can be synchronised - we use comprehensive encryption.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://posteo.de/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- INTERNET_AG - INTERNET AG Global Network, DE
- CDN provider
- —
- IP address
- 185.67.36.169
- ASN
- AS8495 (INTERNET_AG - INTERNET AG Global Network, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- posteo.de
- Valid from
- Feb 18, 2026
- Valid to
- Feb 24, 2027
- Days until expiry
- 214
- SAN domains
- posteo.de, www.posteo.de, lists.posteo.de, mta-sts.posteo.de, api.posteo.de, cdn.posteo.de, autoconfig.posteo.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 18
Links
40 internal · 28 external · 0 broken
Images
47 total · 0 missing alt
Scripts / Styles
17 scripts · 4 stylesheets
JS / CSS size
200 KB · 293 KB
Page size
64.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 43
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
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://posteo.de
- Final URL
- https://posteo.de/en
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 241 ms
- HTML size
- 64.3 KB
- Redirect chain
- https://posteo.de → https://posteo.de/en
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does posteo.de use?
- posteo.de is built with Apache.
- Is posteo.de secure (HTTPS)?
- Yes. posteo.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Feb 24, 2027.
- Who hosts posteo.de?
- posteo.de is hosted on INTERNET_AG - INTERNET AG Global Network, DE.
- What is posteo.de's SEO score?
- posteo.de scored 70/100 for SEO in the latest analysis (fair).
- What is posteo.de's overall website score?
- posteo.de has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Is posteo.de hiring?
- posteo.de has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card