What powers guessthebook.app?
Last seen Jun 2026 · 31 technologies across 12 categories
Advertising
33Across
since Sep 2024
Amazon Advertising
since Jul 2024
AppNexus
since Jul 2024
Google Publisher Tag
since Jul 2024
OpenX
since Jul 2024
Prebid
since Nov 2024
Primis
since May 2026
PubMatic
since Jul 2024
Rubicon Project
since Jul 2024
Tapad
since Jul 2024
TripleLift
since Jul 2024
Analytics
Clicky
since Sep 2023
Cloudflare Browser Insights
since Oct 2025
Quantcast Measure
since Jul 2024
Snowplow Analytics
since Sep 2024
CDN
Cloudflare
since Sep 2023
Comment systems
JavaScript frameworks
React
since Jul 2024
JavaScript libraries
Maps
Miscellaneous
Security
Cloudflare Bot Management
since Nov 2024
reCAPTCHA
since Jul 2024
Segmentation
Adobe Audience Manager
since Jul 2024
Tag managers
Google Tag Manager
since Jul 2024
UI frameworks
Bootstrap
since Nov 2024
Audience
- 71% desktop
- 29% phone
United States
Germany
United Kingdom
Brazil
France
Italy
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.65 / 10 · ranked #20,868,679 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.8 MB · 1,532 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Jun 2026
- dropped DoubleClick Campaign Manager (DCM) Jun 2026
- dropped Google AdSense Jun 2026
- dropped VideoJS Jun 2026
- detected Cloudflare Bot Management May 2026
- detected Primis May 2026
- dropped Google Analytics Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- detected Wurfl Apr 2026
- detected 33Across Feb 2026
- detected Amazon Advertising Feb 2026
- detected core-js Feb 2026
- dropped core-js Jan 2026
- dropped 33Across Dec 2025
- dropped Confiant Dec 2025
- dropped Amazon Advertising Nov 2025
- detected Cloudflare Browser Insights Oct 2025