What powers 13base.jp?
Last seen Jun 2026 · 35 technologies across 14 categories
Advertising
Google AdSense
since Apr 2023
Analytics
Google Analytics
since Feb 2020
CDN
Cloudflare
since Apr 2023
CMS
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
Twitter Emoji (Twemoji)
since Feb 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
TypeScript
since Dec 2022
Security
Cloudflare Bot Management
since Apr 2023
reCAPTCHA
since Jan 2021
Video players
Web servers
Apache HTTP Server
since Feb 2020
Widgets
WordPress plugins
Jetpack
since Sep 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.54 / 10 · ranked #6,141,758 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.4 MB · 194 requests
- WordPress theme: sensei-s2 · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Contact Form 7 May 2026
- detected Cookie Notice May 2026
- detected core-js May 2026
- detected Font Awesome May 2026
- detected FullCalendar May 2026
- detected Google AdSense May 2026
- detected Google Analytics May 2026
- detected Google Font API May 2026
- detected Jetpack May 2026
- detected jQuery UI May 2026
- detected MonsterInsights May 2026
- detected OWL Carousel May 2026
- dropped Performance Lab May 2026
- detected reCAPTCHA May 2026
- detected Select2 May 2026
- detected Twitter Emoji (Twemoji) May 2026
- detected TypeScript May 2026
- detected Vimeo May 2026
- detected YouTube May 2026
- detected Priority Hints Apr 2026
- dropped Priority Hints Feb 2026
- detected Priority Hints Dec 2025
- detected Swiper Nov 2025