What powers booksignal.io?
Last seen Aug 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Aug 2026
Microsoft Clarity
since Aug 2026
CDN
Cloudflare
since Jul 2026
jsDelivr
since Jul 2026
Font scripts
Google Font API
since Jul 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2026
PaaS
Render
since Jul 2026
Security
HSTS
since Jul 2026
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
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.2 MB · 35 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| app.booksignal.io | 7 |
| booksignal.io | 7 |
| go.booksignal.io | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Aug 2026
- detected Facebook Pixel Aug 2026
- detected Google Analytics Aug 2026
- detected Microsoft Clarity Aug 2026