What powers blockb.jp?
Last seen Jun 2026 · 20 technologies across 15 categories
Advertising
Twitter Ads
since Aug 2025
Analytics
Google Analytics
since Nov 2021
Authentication
Facebook Login
since Aug 2025
Caching
RackCache
since Aug 2025
CDN
Cloudflare
since Aug 2025
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Jul 2025
Programming languages
Ruby
since Aug 2025
Security
Cloudflare Bot Management
since Aug 2025
reCAPTCHA
since Nov 2024
Tag managers
Google Tag Manager
since Nov 2021
Web frameworks
Ruby on Rails
since Aug 2025
Web servers
Nginx
since Nov 2021
Widgets
Twitter
since Aug 2025
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.51 / 10 · ranked #6,459,501 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 4.7 MB · 72 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 Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected reCAPTCHA Oct 2025
- dropped Contact Form 7 Sep 2025
- dropped crypto-js Sep 2025
- dropped Google Font API Sep 2025
- dropped MySQL Sep 2025
- dropped PHP Sep 2025
- dropped Really Simple SSL & Security Sep 2025
- dropped reCAPTCHA Sep 2025
- dropped Twitter Emoji (Twemoji) Sep 2025
- dropped VideoJS Sep 2025
- dropped WordPress Sep 2025
- detected anime.js Aug 2025
- detected Cloudflare Aug 2025
- detected Cloudflare Bot Management Aug 2025
- detected Facebook Login Aug 2025
- detected Google Tag Manager Aug 2025
- detected LazySizes Aug 2025
- detected Lodash Aug 2025
- detected LottieFiles Aug 2025
- detected RackCache Aug 2025
- detected Ruby Aug 2025
- detected Ruby on Rails Aug 2025
- detected Swiper Aug 2025
- detected Twitter Aug 2025
- detected Twitter Ads Aug 2025
- dropped Xserver Aug 2025