What powers fsolver.com?
Last seen Jun 2026 · 22 technologies across 13 categories
Advertising
Google AdSense
since May 2019
Analytics
Cloudflare Browser Insights
since Dec 2025
Google Analytics
since May 2019
CDN
Cloudflare
since Nov 2024
jQuery CDN
since Feb 2022
Cookie compliance
Funding Choices
since Jan 2023
Customer data platform
Sirdata
since Jan 2026
Font scripts
Google Font API
since Dec 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Popper
since Dec 2022
PWA
since Aug 2022
RSS
since Apr 2023
Webpack
since Dec 2022
Performance
Cloudflare Rocket Loader
since Dec 2025
Security
reCAPTCHA
since Dec 2022
Segmentation
Adobe Audience Manager
since Jan 2026
Tag managers
Google Tag Manager
since Nov 2019
UI frameworks
Audience
- 50% phone
- 45% desktop
- 4% tablet
United States
United Kingdom
France
Canada
Australia
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.70 / 10 · ranked #4,931,842 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.8 MB · 169 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Jun 2026
- dropped Google Font API May 2026
- dropped core-js Mar 2026
- detected Google Font API Mar 2026
- dropped Google Font API Feb 2026
- detected Preact Feb 2026
- detected Adobe Audience Manager Jan 2026
- detected core-js Jan 2026
- detected Sirdata Jan 2026
- detected Cloudflare Browser Insights Dec 2025
- detected Cloudflare Rocket Loader Dec 2025
- detected Google Font API Oct 2025