What powers serrahs.com?
Last seen Oct 2026 · 36 technologies across 23 categories
Advertising
Analytics
Authentication
CDN
Cookie compliance
CRM
Databases
Digital asset management
Editors
Font scripts
Hosting
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
Webmail
Widgets
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Audience
- 86% desktop
- 14% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.68 / 10 · ranked #2,190,410 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 12.9 MB · 157 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Junípero Serra High School
- Founded: 1944
- Industry: Education (declares
HighSchool) - Country: United States
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.71.73)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 720,749, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.serrahs.com | 28 |
| alumni.serrahs.com | 17 |
Full technology history →
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Recent changes
- detected VideoJS May 2026