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Domain report

mathgoodies.com

mathgoodies.com ranks in the top 0.022% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore mathgoodies.com in the Web Graph

Connectivity

#29,436harmonic-centrality rank
Top percentile
0.022%
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://mathgoodies.com/ answered with HTTP 200.

DNS records

A
  • 104.26.12.79
  • 172.67.72.153
  • 104.26.13.79
AAAA
  • 2606:4700:20::681a:c4f
  • 2606:4700:20::681a:d4f
  • 2606:4700:20::ac43:4899
MX
No records found.
NS
  • art.ns.cloudflare.com.
  • dell.ns.cloudflare.com.

Live preview

This is a live, sandboxed embed of mathgoodies.com — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

Registrar
Cloudflare, Inc.
Registered
1998-07-09
Expires
2027-07-08
Last changed
2026-06-08

Nameservers: ART.NS.CLOUDFLARE.COM, DELL.NS.CLOUDFLARE.COM

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 502).

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
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
no-referrer-when-downgrade
Permissions-Policy
Not sent

What each security header does

Redirect chain

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

    → https://mathgoodies.com/

  2. 2.https://mathgoodies.com/HTTP 200

Meta tags

Title
FREE Math Lessons & Math Worksheets - Math Goodies
Description
A great place to get for anyone interested in learning or teaching math. We feature thousands of free math resources including lessons.
Canonical
https://mathgoodies.com/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Site Kit by Google 1.139.0
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
Not set
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

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

Sitemap declared:

  • https://mathgoodies.com/sitemap_index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-content/" in the page's HTML

  • 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.