What powers genkanmaster.com?

Last seen Aug 2026 · 21 technologies across 16 categories

Analytics

Google Analytics
since Jan 2021

Authentication

Facebook Login
since Jul 2021

CDN

cdnjs
since Apr 2022
Cloudflare
since May 2022

CMS

WordPress v6.0.13
since Jan 2021

Databases

MySQL
since Jan 2021

Font scripts

Google Font API
since Jan 2021
Twitter Emoji (Twemoji) v14.0.2
since Jan 2021

Hosting

Sakura Internet
since Aug 2022

JavaScript libraries

jQuery v1.4.1
since Jan 2021
jQuery Migrate v3.3.2
since Jan 2021
jQuery UI v1.13.1
since Jan 2021

Miscellaneous

Open Graph
since Sep 2022
RSS
since Dec 2022

Programming languages

PHP v7.4.33
since Jan 2021

SEO

All in One SEO v4.1.5.3
since Jul 2024

Tag managers

Google Tag Manager
since Jan 2021

UI frameworks

Bootstrap v4.3.1
since Jan 2021

Video players

YouTube
since Jan 2021

Web servers

Nginx
since Jan 2021

WordPress themes

Lightning v8.0.4
since Feb 2022

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 88% phone
  • 12% desktop
  • Japan

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

0.11 / 10 · ranked #87,737,852 of all domains

0 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP75 ms
CLS0
TTFB1300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • Weight: 8.3 MB · 133 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Aug 2026.

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