grapheneos.org
GrapheneOS: the private and secure mobile OS
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Excellent
Summary
GrapheneOS is a security and privacy focused mobile OS with Android app compatibility. This website uses Nginx hosted on AS-VULTR - The Constant Company, LLC, US. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
GrapheneOS is a security and privacy focused mobile OS with Android app compatibility.
- United States
- Hosted on AS-VULTR - The Constant Company, LLC, US
Top issues to fix
2 issues found · 1 high priority
TLS certificate expires in 6 days
SecurityRenew now (or enable auto-renewal) — an expired certificate blocks visitors with a full-page browser warning.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
1 issue(s) found
Performance
78 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
GrapheneOS is a security and privacy focused mobile OS with Android app compatibility.
Contact
Email, phone, and address published on this site's own pages.
Source: https://grapheneos.org/contact
Meta tags
- Title
- GrapheneOS: the private and secure mobile OS
- Description
- GrapheneOS is a security and privacy focused mobile OS with Android app compatibility.
- Canonical
- https://grapheneos.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,viewport-fit=cover
- Robots meta
- Manifest
- https://grapheneos.org/manifest.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AS-VULTR - The Constant Company, LLC, US
- CDN provider
- —
- IP address
- 66.42.50.166
- ASN
- AS20473 (AS-VULTR - The Constant Company, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- Valid from
- Jul 25, 2026
- Valid to
- Aug 1, 2026
- Days until expiry
- 6
- SAN domains
- grapheneos.app, grapheneos.ca, grapheneos.com, grapheneos.dev, grapheneos.foundation, grapheneos.info, grapheneos.net, grapheneos.org, grapheneos.ovh, grapheneos.page, vanadium.app, www.grapheneos.app, www.grapheneos.ca, www.grapheneos.com, www.grapheneos.dev, www.grapheneos.foundation, www.grapheneos.info, www.grapheneos.net, www.grapheneos.org, www.grapheneos.ovh, www.grapheneos.page, www.vanadium.app
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 3 · H3 0
Links
19 internal · 9 external · 0 broken
Images
4 total · 0 missing alt
Scripts / Styles
1 scripts · 1 stylesheets
JS / CSS size
4.8 KB · 8.0 KB
Page size
6.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 28
SEO issues
- No structured data (JSON-LD) 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://grapheneos.org
- Final URL
- https://grapheneos.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 78 ms
- HTML size
- 6.8 KB
- Redirect chain
- https://grapheneos.org
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Frequently asked questions
- What technology does grapheneos.org use?
- grapheneos.org is built with Nginx.
- Is grapheneos.org secure (HTTPS)?
- Yes. grapheneos.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 1, 2026.
- Who hosts grapheneos.org?
- grapheneos.org is hosted on AS-VULTR - The Constant Company, LLC, US.
- What is grapheneos.org's SEO score?
- grapheneos.org scored 90/100 for SEO in the latest analysis (excellent).
- What is grapheneos.org's overall website score?
- grapheneos.org has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Is grapheneos.org hiring?
- grapheneos.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card