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Domain report

openjsf.org

openjsf.org ranks in the top 0.0023% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 25 distinct hosts observed under it.

Explore openjsf.org in the Web Graph

Connectivity

#3,023harmonic-centrality rank
Top percentile
0.0023%
Hosts observed
25

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://openjsf.org/ answered with HTTP 200.

DNS records

A
  • 76.76.21.21
AAAA
No records found.
MX
  • 10 mx1.forwardemail.net.
  • 10 mx2.forwardemail.net.
NS
  • ns1.dnsimple-edge.com.
  • ns2.dnsimple-edge.net.
  • ns3.dnsimple-edge.io.
  • ns4.dnsimple-edge.org.

Live preview

Screenshot of openjsf.org

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

Since openjsf.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
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000; includeSubDomains; preload
X-Frame-Options
deny
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://openjsf.org/HTTP 308

    → https://openjsf.org/

  2. 2.https://openjsf.org/HTTP 200

Meta tags

Title
A safe and modern home for JavaScript technologies | OpenJS Foundation
Description
OpenJS promotes the widespread adoption and continued development of key JavaScript solutions worldwide.
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
A safe and modern home for JavaScript technologies | OpenJS Foundation
Open Graph description
OpenJS promotes the widespread adoption and continued development of key JavaScript solutions worldwide.
Open Graph image
https://openjsf.org/opengraph-image.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
A safe and modern home for JavaScript technologies | OpenJS Foundation
Twitter image
https://openjsf.org/opengraph-image.png

robots.txt

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

Sitemap declared:

  • https://openjsf.org/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Next.jsframework

    X-Powered-By: Next.js

  • 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.