What powers rtmsd.org?
Last seen Sep 2026 · 22 technologies across 13 categories
Analytics
CDN
Databases
Editors
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Video players
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.05 / 10 · ranked #1,505,408 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.75 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 31.4 MB · 56 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Penncrest High School
- Founded: 1955
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: iu13.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 3,004,726, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rtmsd.org | 22 |
| ges.rtmsd.org | 21 |
| iles.rtmsd.org | 21 |
| mes.rtmsd.org | 21 |
| phs.rtmsd.org | 21 |
| rtes.rtmsd.org | 21 |
| slms.rtmsd.org | 21 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Workspace May 2026
- detected VideoJS May 2026
- detected Stimulus Mar 2026
- detected Htmx Nov 2025