What powers otschoolhouse.com?
Last seen Sep 2026 · 29 technologies across 18 categories
Affiliate programs
Analytics
CDN
CMS
Ecommerce
IaaS
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 81% desktop
- 19% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.31 / 10 · ranked #2,860,930 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 2.4 MB · 242 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Schoolhouse Education, LLC
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Google Cloud (23.236.62.147)
- DNS: Google Cloud DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,083,736, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.otschoolhouse.com | 20 |
| collab.otschoolhouse.com | 16 |
Full technology history →
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Recent changes
- dropped Facebook Login Sep 2026
- dropped Pingdom RUM Sep 2026
- dropped Stripe Sep 2026
- dropped Trix Sep 2026
- dropped Turbolinks Sep 2026
- dropped VideoJS Sep 2026
- dropped Envoy Jan 2026
- detected Envoy Nov 2025