What powers p21ww.org?
Last seen Aug 2026 · 20 technologies across 14 categories
Analytics
Azure Monitor
since Jun 2024
Google Analytics
since Jul 2022
CDN
cdnjs
since Jun 2024
Cloudflare
since Jun 2024
CMS
Google Sites
since Oct 2022
Google Workspace
since Sep 2022
SparkPost
since Sep 2022
Font scripts
Google Font API
since Oct 2022
JavaScript libraries
Miscellaneous
Google Code Prettify
since Jul 2022
Open Graph
since Oct 2022
Operating systems
Windows Server
since Jul 2022
PaaS
Azure
since Jul 2022
RUM
Microsoft Application Insights
since Jun 2024
Security
HSTS
since Jun 2024
UI frameworks
Web frameworks
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.05 / 10 · ranked #3,451,447 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 1.0 MB · 27 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Microsoft (23.96.96.142)
- DNS: Network Solutions
- Email: no MX record returned
- SSL: Sectigo, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 14,940,387, 11 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.p21ww.org | 15 |
| forums.p21ww.org | 9 |
| connect2024.p21ww.org | 7 |
| connect2025.p21ww.org | 7 |
| connect2022.p21ww.org | 5 |
| connect2023.p21ww.org | 5 |