What powers 
ssfusd.org?
Last seen Sep 2026 · 38 technologies across 19 categories
Advertising
Analytics
Authentication
CDN
Databases
Editors
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
Tag managers
Video players
Web frameworks
Web servers
Webmail
Widgets
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
- 73% desktop
- 27% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #834,794 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.2 MB · 79 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- South San Francisco Unified School District
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.16.158.133)
- DNS: Network Solutions
- Email: Barracuda
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 204,868, 23 hosts
- Verified with: Adobe, Apple Business, Citrix, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| monteverde.ssfusd.org | 33 |
| spruce.ssfusd.org | 33 |
| martin.ssfusd.org | 32 |
| sunshine.ssfusd.org | 32 |
| southcity.ssfusd.org | 23 |
| altaloma.ssfusd.org | 22 |
| buriburi.ssfusd.org | 22 |
| elcamino.ssfusd.org | 22 |
| juniperoserra.ssfusd.org | 22 |
| loscerritos.ssfusd.org | 22 |
| parkway.ssfusd.org | 22 |
| ponderosa.ssfusd.org | 22 |
| ssfae.ssfusd.org | 22 |
| westborough.ssfusd.org | 22 |
| www.ssfusd.org | 22 |
| baden.ssfusd.org | 18 |
| skyline.ssfusd.org | 18 |
| webmail.ssfusd.org | 4 |
Full technology history →
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Recent changes
- detected VideoJS May 2026
- detected Cloudflare Browser Insights Apr 2026
- detected CodeMirror Apr 2026
- detected Firebase Apr 2026
- detected Google Font API Apr 2026
- detected Htmx Apr 2026
- detected HTTP/3 Apr 2026
- detected jQuery Migrate Apr 2026
- detected libphonenumber Apr 2026
- detected Lightbox Apr 2026
- detected Moment.js Apr 2026
- detected Open Graph Apr 2026
- detected Selectize Apr 2026
- detected Stimulus Apr 2026