StatsMyWeb

Domain report

physicsforums.com

physicsforums.com ranks in the top 0.019% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore physicsforums.com in the Web Graph

Connectivity

#24,715harmonic-centrality rank
Top percentile
0.019%
Hosts observed
2

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://physicsforums.com/ answered with HTTP 200.

DNS records

A
  • 104.26.14.132
  • 104.26.15.132
  • 172.67.68.135
AAAA
  • 2606:4700:20::681a:e84
  • 2606:4700:20::681a:f84
  • 2606:4700:20::ac43:4487
MX
  • 1 aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
NS
  • konnor.ns.cloudflare.com.
  • sandra.ns.cloudflare.com.

Live preview

Screenshot of physicsforums.com

This site's Content-Security-Policy restricts embedding to specific origins ("frame-ancestors 'self'"), which does not include StatsMyWeb.

Since physicsforums.com 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: The operation was aborted due to timeout

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
private, no-cache, max-age=0
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self' https: data: blob:; base-uri 'self'; object-src 'none'; frame-ancestors 'self'; form-action 'self'; upgrade-insecure-requests; img-src 'self' https: data: blob:; font-src 'self' https: data:; style-src 'self' https: 'unsafe-inline'; script-src 'self' https: 'unsafe-inline' 'unsafe-eval' 'wasm-unsafe-eval'; connect-src 'self' https: wss:; frame-src https: data:; media-src 'self' https: blob:; worker-src 'self' blob:; manifest-src 'self'
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
same-origin
Permissions-Policy
interest-cohort=()

What each security header does

Redirect chain

  1. 1.http://physicsforums.com/HTTP 301

    → https://physicsforums.com/

  2. 2.https://physicsforums.com/HTTP 301

    → https://www.physicsforums.com/

  3. 3.https://www.physicsforums.com/HTTP 200

Meta tags

Title
Physics Forums: Science Discussion, Homework Help, Expert Community
Description
Physics Forums is a community of scientists, mathematicians, engineers and students. Ask questions and get guidance toward real understanding — not just...
Canonical
https://www.physicsforums.com/
Robots
max-snippet:-1, max-image-preview:large, max-video-preview:-1
Generator
Not set
Open Graph title
Physics Forums - Science by Humans
Open Graph description
Physics Forums is a community of scientists, mathematicians, engineers and students. Ask questions and get guidance toward real understanding — not just answers — across physics, math and engineering.
Open Graph image
https://www.physicsforums.com/styles/physicsforums/images/brand/pf-og-1200x630.png
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
23
Disallow rules (other agents)
0

Sitemap declared:

  • https://www.physicsforums.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

Similar connectivity

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