xen.org
Xen Project - Open Source Virtualization
Last scanned Jul 26, 2026, 11:49 AM
Overall score
Fair
Summary
The Xen Project develops enterprise-grade open source virtualization solutions trusted by millions of users. This website uses Nginx hosted on RACKSPACE - Rackspace Hosting, US. SEO is good (75/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
The Xen Project develops enterprise-grade open source virtualization solutions trusted by millions of users. Secure, flexible, and powerful hypervisor technology.
- United States
- Hosted on RACKSPACE - Rackspace Hosting, US
Top issues to fix
9 issues found · 2 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 X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
978 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
The Xen Project develops enterprise-grade open source virtualization solutions trusted by millions of users. Secure, flexible, and powerful hypervisor technology.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Xen Project - Open Source Virtualization
- Description
- The Xen Project develops enterprise-grade open source virtualization solutions trusted by millions of users. Secure, flexible, and powerful hypervisor technology.
- Canonical
- https://xenproject.org/
- Language
- en-us
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://xenproject.org/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- RACKSPACE - Rackspace Hosting, US
- CDN provider
- —
- IP address
- 23.253.20.58
- ASN
- AS19994 (RACKSPACE - Rackspace Hosting, US)
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
- xenproject.org
- Valid from
- Jul 7, 2026
- Valid to
- Oct 5, 2026
- Days until expiry
- 68
- SAN domains
- beta.xenproject.org, eclair-analysis-logs.xenproject.org, www.xenproject.org, xenproject.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 10
Links
37 internal · 9 external · 0 broken
Images
24 total · 7 missing alt
Scripts / Styles
6 scripts · 5 stylesheets
JS / CSS size
8.9 KB · 377 KB
Page size
139 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://xen.org
- Final URL
- https://xenproject.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 976 ms
- HTML size
- 139 KB
- Redirect chain
- https://xen.org → http://www.xenproject.org/ → https://xenproject.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does xen.org use?
- xen.org is built with Astro, Nginx.
- Is xen.org secure (HTTPS)?
- Yes. xen.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 5, 2026.
- Who hosts xen.org?
- xen.org is hosted on RACKSPACE - Rackspace Hosting, US.
- What is xen.org's SEO score?
- xen.org scored 75/100 for SEO in the latest analysis (fair).
- What is xen.org's overall website score?
- xen.org has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card