What powers 21stcenturyopenuniversity.us?
Last seen Aug 2026 · 17 technologies across 9 categories
Font scripts
Google Font API
since Mar 2025
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2025
Miscellaneous
Reviews
Trustpilot
since Oct 2025
Rich text editors
UI frameworks
Video players
Vimeo
since Mar 2025
Web servers
Caddy
since Mar 2025
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.44 / 10 · ranked #30,574,666 of all domains
2 referring domains · OpenPageRank
Search traffic
32 est. monthly organic visits (US)
22 keywords in Google's top 30
Page
- Language: English
- Weight: 3.4 MB · 144 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped Amazon ALB Jul 2026
- dropped Amazon Web Services Jul 2026
- detected Trustpilot Oct 2025