What powers blue-f.com?
Last seen Jun 2026 · 17 technologies across 12 categories
CMS
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Jun 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Oct 2023
Programming languages
Security
reCAPTCHA
since Jun 2023
Web servers
Apache HTTP Server
since Aug 2022
WordPress plugins
WordPress themes
Lightning
since Aug 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.79 / 10 · ranked #16,784,649 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.7 MB · 107 requests
- WordPress theme: lightning (child: lightning-child-sample) · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.