What powers 
c4st.org?
Last seen Aug 2026 · 11 technologies across 8 categories
CDN
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Video players
AI Crawlers
Blocks 6 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- CCBot Blocked
- ClaudeBot Blocked
- GPTBot Blocked
Search and AI assistants
- PerplexityBot Blocked
- PetalBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 27 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
6 of 33 AI crawlers blocked
Audience
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.16 / 10 · ranked #473,737 of all domains
83 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.0 MB · 36 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Sep 2012 (14 years) via eNom, LLC, renews Sep 2027
- Hosted on IWEB-AS (70.38.97.25)
- DNS: greengeeks.net
- Email: c4st.org
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,258,211, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| c4st.org | 11 |
| www.c4st.org | 11 |
Full technology history →
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Recent changes
- dropped Apache HTTP Server Aug 2026