Domain report
webreference.com
webreference.com ranks in the top 0.30% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.30%
- 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
https://webreference.com/ answered with HTTP 200.
DNS records
- A
- 172.67.189.180
- 104.21.65.88
- AAAA
- 2606:4700:3034::6815:4158
- 2606:4700:3036::ac43:bdb4
- MX
- 10 mail.protonmail.ch.
- 20 mailsec.protonmail.ch.
- NS
- isabel.ns.cloudflare.com.
- quincy.ns.cloudflare.com.
Live preview
This is a live, sandboxed embed of webreference.com — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=utf-8
- Cache-Control
- public,max-age=10,s-maxage=86400
- 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
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://webreference.com/HTTP 301→ https://webreference.com/
- 2.
https://webreference.com/HTTP 200
Meta tags
- Title
- Web Reference - AI Coding & Web Development Docs
- Description
- Practical AI coding guides for Cursor, MCP, and prompt engineering — plus trusted HTML, CSS, and JavaScript reference documentation since 1995.
- Canonical
- Not set
- Robots
- Not set
- Generator
- Not set
- 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://webreference.com/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Next.jsframework
Found "_next/static/" in the page's HTML
- Cloudflare Bot Managementcdn
Cookie set: __cf_bm
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.