What powers textbooktiger.com?
Last seen Aug 2026 · 10 technologies across 10 categories
CDN
Amazon CloudFront
since Jul 2026
Ecommerce
Cart Functionality
since Jan 2025
Miscellaneous
PWA
since Jan 2025
Operating systems
Ubuntu
since Jun 2026
PaaS
Amazon Web Services
since Jul 2026
Programming languages
Ruby
since Jan 2025
Security
HSTS
since Jan 2025
Web frameworks
Ruby on Rails
since Jan 2025
Web servers
Webmail
Google Workspace
since Jan 2025
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% desktop
- 26% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #114,476,767 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.7 MB · 24 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon CloudFront Jul 2026
- detected Amazon Web Services Jul 2026
- dropped Cowboy Jul 2026
- dropped Erlang Jul 2026
- dropped Heroku Jul 2026