What powers tcsos.us?
Last seen Sep 2026 · 23 technologies across 15 categories
Accessibility
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Performance
Programming languages
Video players
Web servers
WordPress plugins
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
2.75 / 10 · ranked #2,085,459 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 6.3 MB · 63 requests
- WordPress theme: divi (child: divi-edu) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CENIC-2152 (137.164.198.134)
- Email: k12.ca.us
- Email security: SPF (hard fail), DMARC reject
- SSL: GoDaddy, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 7,157,990, 2 hosts
- Verified with: Adobe, Google, Microsoft 365, OpenAI
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tcsos.us | 20 |
| portal.tcsos.us | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Moment.js May 2026
- dropped React May 2026
- detected Moment.js Jan 2026
- detected React Jan 2026
- detected WordPress Super Cache Jan 2026