reactos.org
Front Page | ReactOS Project
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Excellent
Summary
ReactOS is a free, opensource reimplementation of windows. This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.
ReactOS is a free, opensource reimplementation of windows
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
3 issues found
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
SEO
3 issue(s) found
Performance
118 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
ReactOS is a free, opensource reimplementation of windows
Meta tags
- Title
- Front Page | ReactOS Project
- Description
- ReactOS is a free, opensource reimplementation of windows
- Canonical
- Language
- en-us
- 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
- 78.46.123.236
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
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
- reactos.org
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 67
- SAN domains
- reactos.org, www.reactos.org
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 4 · H3 2
Links
28 internal · 11 external · 0 broken
Images
9 total · 0 missing alt
Scripts / Styles
7 scripts · 9 stylesheets
JS / CSS size
169 KB · 207 KB
Page size
18.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 625
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt 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://reactos.org
- Final URL
- https://reactos.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 118 ms
- HTML size
- 18.9 KB
- Redirect chain
- https://reactos.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does reactos.org use?
- reactos.org is built with Drupal, Bootstrap, jQuery, Nginx.
- Is reactos.org secure (HTTPS)?
- Yes. reactos.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 1, 2026.
- Who hosts reactos.org?
- reactos.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is reactos.org's SEO score?
- reactos.org scored 80/100 for SEO in the latest analysis (great).
- What is reactos.org's overall website score?
- reactos.org has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- Is reactos.org hiring?
- reactos.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card