What powers rsu20.org?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Jul 2022
Editors
DreamWeaver
since Oct 2021
JavaScript libraries
Miscellaneous
Babel
since Oct 2021
Open Graph
since Oct 2022
Programming languages
Java
since Jan 2019
Security
Cloudflare Bot Management
since Dec 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Oct 2021
Web servers
OpenGSE
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 56% desktop
- 44% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,808,540 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.2 MB · 48 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (151.101.0.80)
- DNS: maine.edu
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 11,659,791, 8 hosts
- Verified with: Adobe, Apple Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rsu20.org | 12 |
| sdmhs.rsu20.org | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Dec 2025