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SGSiteGraph

reactos.org

Front Page | ReactOS Project

Last scanned Jul 26, 2026, 5:17 AM · 1 view

94

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

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

80

SEO

3 issue(s) found

100

Performance

118 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Front Page
og:description
og:type
website
og:url
https://reactos.org//

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
78.46.123.236
ASN
AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)

DNS records

TypeValue
A
  • 78.46.123.236
AAAA
  • 2a01:4f8:1c17:4aa3::1
MX
  • iserv.reactos.org
TXT
  • v=spf1 ip4:138.201.90.89 ip6:2a01:4f8:1c17:5ae1::1 -all
NS
  • ns2.reactos.org
  • ns1.reactos.org
CAA
  • 0 issue "letsencrypt.org"
CNAME
IPv6 supportYes

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

View careers page

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

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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.