gpg4win.org
Gpg4win - Secure email and file encryption with GnuPG for Windows
Last scanned Jul 26, 2026, 4:17 PM · 4 views
Overall score
Fair
Summary
This website uses Apache hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is poor (45/100) and accessibility is fair (50/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
13 issues found · 5 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
+7 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
123 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
- GnuPG@mstdn.social
Meta tags
- Title
- Gpg4win - Secure email and file encryption with GnuPG for Windows
- Description
- Canonical
- Language
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 46.4.134.23
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
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
- gpg4win.org
- Valid from
- May 31, 2026
- Valid to
- Aug 29, 2026
- Days until expiry
- 31
- SAN domains
- files.gpg4win.de, files.gpg4win.org, ftp.gpg4win.org, gpg4win.de, gpg4win.org, www.gpg4win.de, www.gpg4win.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 1
Links
29 internal · 6 external · 0 broken
Images
11 total · 9 missing alt
Scripts / Styles
0 scripts · 1 stylesheets
JS / CSS size
0 B · 27.2 KB
Page size
7.9 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
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://gpg4win.org
- Final URL
- https://gpg4win.org
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 123 ms
- HTML size
- 7.9 KB
- Redirect chain
- https://gpg4win.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does gpg4win.org use?
- gpg4win.org is built with Apache.
- Is gpg4win.org secure (HTTPS)?
- Yes. gpg4win.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 29, 2026.
- Who hosts gpg4win.org?
- gpg4win.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is gpg4win.org's SEO score?
- gpg4win.org scored 45/100 for SEO in the latest analysis (poor).
- What is gpg4win.org's overall website score?
- gpg4win.org has an overall SiteGraph score of 67/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card