What powers readonlinefreebook.com?
Last seen Jun 2026 · 28 technologies across 11 categories
Advertising
33Across
since Jan 2023
AppNexus
since Dec 2025
Google AdSense
since Feb 2020
Infolinks
since Aug 2022
LiveIntent
since Mar 2024
OpenX
since Dec 2025
PubMatic
since Dec 2021
Rubicon Project
since Dec 2025
Tapad
since Dec 2025
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Feb 2020
Snowplow Analytics
since Jul 2023
CDN
Cloudflare
since Feb 2020
JavaScript frameworks
React
since Jun 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Programming languages
Security
Cloudflare Bot Management
since Jan 2022
Segmentation
Adobe Audience Manager
since Aug 2022
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
Audience
- 83% phone
- 16% desktop
- 2% tablet
United States
India
United Kingdom
Brazil
Spain
Philippines
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.70 / 10 · ranked #19,332,825 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0.85 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Cloudflare
- Weight: 2.0 MB · 766 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| readonlinefreebook.com | 26 |
| www.readonlinefreebook.com | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Adobe Audience Manager Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- detected Cloudflare Bot Management Jan 2026
- detected AppNexus Dec 2025
- detected OpenX Dec 2025
- detected Rubicon Project Dec 2025
- detected Tapad Dec 2025
- detected Cloudflare Browser Insights Nov 2025
- dropped Amazon ALB Aug 2025
- dropped Amazon Web Services Aug 2025
- detected Microsoft ASP.NET Aug 2025