What powers ctelearn.org?
Last seen Aug 2026 · 17 technologies across 11 categories
Accessibility
Analytics
Google Analytics
since May 2020
Microsoft Clarity
since Dec 2023
Font scripts
JavaScript graphics
Chart.js
since May 2020
JavaScript libraries
PaaS
Amazon Web Services
since May 2020
Programming languages
UI frameworks
Video players
YouTube
since May 2020
Web servers
Amazon EC2
since May 2020
Webmail
Microsoft 365
since Aug 2022
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
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,434,779 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.0 MB · 86 requests
Homepage as crawled by the HTTP Archive, Sep 2026.