What powers book.io?
Last seen Jun 2026 · 55 technologies across 27 categories
Analytics
Google Analytics
since Mar 2021
Caching
Redis Object Cache
since Aug 2025
WordPress Super Cache
since Feb 2024
CDN
CMS
Databases
Ecommerce
Cart Functionality
since Feb 2024
Google Workspace
since Aug 2022
Sendgrid
since May 2025
Font scripts
Font Awesome
since Feb 2023
Google Font API
since Mar 2021
Hosting
GoDaddy
since Oct 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Google Maps
since Feb 2024
Marketing automation
MailChimp
since Feb 2024
Miscellaneous
Operating systems
Debian
since Sep 2022
PaaS
Amazon Web Services
since Mar 2021
Page builders
WordPress Block Editor
since Jul 2024
Payment processors
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Mar 2021
Reverse proxies
Envoy
since Nov 2024
Security
SEO
UI frameworks
Tailwind CSS
since Dec 2022
Vuetify
since Dec 2024
Web servers
WordPress plugins
Jetpack
since Feb 2024
Audience
- 69% phone
- 31% desktop
India
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.05 / 10 · ranked #533,519 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 13.2 MB · 79 requests
- WordPress theme: marketplace (child: marketplace-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| bookcon.book.io | 35 |
| book.io | 25 |
| app.book.io | 10 |
| rewards.book.io | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected reCAPTCHA Dec 2025
- dropped Cloudflare Bot Management Sep 2025
- dropped LazySizes Sep 2025
- dropped NitroPack Sep 2025
- detected Redis Aug 2025
- detected Redis Object Cache Aug 2025