What powers 
penguicon.org?
Last seen Apr 2026 · 38 technologies across 21 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Hosting
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Page builders
Performance
Programming languages
Security
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.49 / 10 · ranked #403,455 of all domains
106 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.4 MB · 42 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Industry: Arts and entertainment (declares
Event)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered May 2003 (23 years) via Cloudflare, Inc., renews May 2027
- Hosted on Cloudflare (104.21.75.245, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,375,727, 32 hosts
- Verified with: Google
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 |
|---|---|
| penguicon.org | 25 |
| 2024.penguicon.org | 17 |
| 2022.penguicon.org | 14 |
| 2021.penguicon.org | 12 |
| 2020.penguicon.org | 11 |
| 2019.penguicon.org | 10 |
| 2023.penguicon.org | 10 |
| 2026.penguicon.org | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Elementor Mar 2026
- detected Google Analytics Mar 2026
- detected Netlify Feb 2026
- detected PWA Feb 2026