What powers fn-db.com?
Last seen Jun 2026 · 29 technologies across 15 categories
Advertising
33Across
since Dec 2023
AppNexus
since Dec 2023
Google AdSense
since Jul 2021
ID5
since Dec 2023
OpenX
since Dec 2023
Prebid
since Dec 2023
PubMatic
since Dec 2023
Rubicon Project
since Dec 2023
Smart Ad Server
since Dec 2023
TripleLift
since Dec 2023
Utiq
since Oct 2024
Analytics
CDN
Cloudflare
since Jun 2024
Cookie compliance
Funding Choices
since May 2024
Font scripts
Google Font API
since Jul 2024
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Popper
since Apr 2022
Security
Cloudflare Bot Management
since Jun 2024
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Jul 2024
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Web frameworks
Microsoft ASP.NET
since Jun 2024
Web servers
Nginx
since Jul 2021
Widgets
Po.st
since Dec 2023
Audience
- 68% phone
- 32% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.40 / 10 · ranked #36,157,856 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0.15 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 2,438 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| fn-db.com | 28 |
| www.fn-db.com | 27 |
| en.fn-db.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected Google Font API Nov 2025
- dropped Azure Sep 2025
- dropped Cloudflare Sep 2025
- dropped Cloudflare Bot Management Sep 2025