reactos.org
Front Page | ReactOS Project
Last scanned Aug 2, 2026, 11:00 AM · 23 views
Overall score
Excellent
Summary
ReactOS is a free, opensource reimplementation of windows. This website uses Nginx. SEO is good (75/100) 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
Top issues to fix
5 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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
129 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 93
- SEO
- 75
- Security
- 100
- Performance
- 100
- Accessibility
- 100
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
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
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
- reactos.org
- Valid from
- Jul 3, 2026
- Valid to
- Oct 1, 2026
- Days until expiry
- 60
- 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 · 20 broken
Images
9 total · 0 missing alt
Scripts / Styles
7 scripts · 9 stylesheets
JS / CSS size
0 B · 0 B
Page size
18.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://reactos.org
- Final URL
- https://reactos.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 129 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?
- Hosting provider information for reactos.org is not available yet.
- What is reactos.org's SEO score?
- reactos.org scored 75/100 for SEO in the latest analysis (fair).
- What is reactos.org's overall website score?
- reactos.org has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has reactos.org's score changed over time?
- reactos.org's overall score has declined by 1 point (from 94 to 93) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card