What powers kta-jr.net?

Last seen Aug 2026 · 10 technologies across 7 categories

CDN

Cloudflare
since Sep 2023

CMS

Jimdo
since Jun 2022

JavaScript frameworks

React
since Sep 2021

JavaScript libraries

core-js v3.6.5
since Sep 2021
Lodash v4.18.1
since Sep 2021

Miscellaneous

HTTP/3
since Sep 2023
Open Graph
since Sep 2022

Payment processors

PayPal
since Sep 2023

Security

Cloudflare Bot Management
since Sep 2023
HSTS
since Sep 2023

AI Crawlers

robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.

  • robots.txt not checked
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

Audience

  • 89% phone
  • 11% desktop
  • Japan

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

Open Page Rank

0.26 / 10 · ranked #65,919,152 of all domains

1 referring domains · OpenPageRank

Core Web Vitals

LCP0.5 s
INP75 ms
CLS0
TTFB200 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • CDN: Cloudflare
  • Weight: 1.5 MB · 45 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Aug 2026.

Full technology history →
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Recent changes

  • detected HSTS Mar 2026

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