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Domain report

react.org

react.org ranks in the top 0.34% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore react.org in the Web Graph

Connectivity

#458,958harmonic-centrality rank
Top percentile
0.34%
Hosts observed
3

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://react.org/ answered with HTTP 200.

DNS records

A
  • 151.101.130.159
AAAA
No records found.
MX
  • 0 react-org.mail.protection.outlook.com.
NS
  • ns0.transip.net.
  • ns2.transip.eu.
  • ns1.transip.nl.

Live preview

Screenshot of react.org

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since react.org can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' cdnjs.cloudflare.com unpkg.com www.googletagmanager.com www.google.com www.gstatic.com www.google-analytics.com consent.cookiebot.com consentcdn.cookiebot.com s.w.org; style-src 'self' 'unsafe-inline' https:; img-src 'self' https: data:; connect-src 'self' https:; frame-ancestors 'self'; object-src 'none'; frame-src 'self' https://www.google.com https://js.mollie.com https://consentcdn.cookiebot.com/; worker-src 'self' blob: https://www.react.org/9e362a87-7945-428d-8398-0673f731ab74; base-uri 'self'
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff, nosniff
Referrer-Policy
no-referrer-when-downgrade, no-referrer-when-downgrade
Permissions-Policy
camera=(), microphone=(), geolocation=()

What each security header does

Redirect chain

  1. 1.http://react.org/HTTP 301

    → https://www.react.org/

  2. 2.https://www.react.org/HTTP 200

Meta tags

Title
Home - React - The Anti-Counterfeiting Network
Description
Not set
Canonical
https://www.react.org/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
Home - React - The Anti-Counterfeiting Network
Open Graph description
This is the homepage
Open Graph image
Not set
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.react.org/sitemap_index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 7.1.3"

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.