What powers riordanhs.org?
Last seen Aug 2026 · 62 technologies across 22 categories
Analytics
Authentication
Caching
CDN
Databases
Editors
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Programming languages
Rich text editors
RUM
Security
Tag managers
UI frameworks
Video players
Web frameworks
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
- 76% desktop
- 24% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.11 / 10 · ranked #1,406,750 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 56.1 MB · 261 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Archbishop Riordan High School
- Founded: 1949
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: Register.com
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 8,640,861, 3 hosts
- Verified with: Apple Business, GlobalSign, Sage Intacct
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| survey.riordanhs.org | 31 |
| www.riordanhs.org | 29 |
| givingday.riordanhs.org | 25 |
Full technology history →
Report an incorrect detection
Recent changes
- detected GSAP Aug 2026
- detected VideoJS May 2026
- dropped Cart Functionality Mar 2026
- detected Stimulus Mar 2026
- detected Cart Functionality Dec 2025
- detected Htmx Nov 2025