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Domain report

copper.org

copper.org ranks in the top 0.35% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 26 distinct hosts observed under it.

Explore copper.org in the Web Graph

Connectivity

#468,031harmonic-centrality rank
Top percentile
0.35%
Hosts observed
26

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

DNS records

A
  • 172.67.166.106
  • 104.21.11.161
AAAA
  • 2606:4700:3031::ac43:a66a
  • 2606:4700:3037::6815:ba1
MX
  • 0 copper-org.mail.protection.outlook.com.
NS
  • ainsley.ns.cloudflare.com.
  • rocky.ns.cloudflare.com.

Live preview

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

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
no-store, no-cache, must-revalidate
Content-Encoding
Not sent

Security

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

What each security header does

Redirect chain

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

    → https://copper.org/

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

Meta tags

Title
Copper Development Association - Bringing the value of copper to society
Description
The Copper Development Association is the leading expert on copper and its alloys in North America.
Canonical
https://copper.org/
Robots
index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1
Generator
WordPress 7.1.3
Open Graph title
Copper Development Association - Bringing the value of copper to society
Open Graph description
The Copper Development Association is the leading expert on copper and its alloys in North America.
Open Graph image
Not set
Open Graph type
website
Twitter card
summary
Twitter title
Copper Development Association - Bringing the value of copper to society
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
1
Disallow rules (other agents)
0

Sitemap declared:

  • https://copper.org/sitemaps.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

  • Google Tag Manageranalytics

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

  • HubSpotanalytics

    Found "js.hs-scripts.com" in the page's HTML

Related domains

Similar connectivity

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