What powers crg.jp?

Last seen Sep 2026 · 20 technologies across 13 categories

CDN

Cloudflare
since Aug 2026

CMS

Wix
since Jun 2025
WordPress
since Jan 2019

Databases

MySQL
since Jan 2019

Hosting

Sakura Internet
since Aug 2022

Issue trackers

Sentry v7.120.3
since Jun 2025

JavaScript frameworks

GSAP
since Jan 2019
React v18.3.1
since Jun 2025
RequireJS v2.3.6
since Jun 2025

JavaScript libraries

jQuery v1.8.3
since Jan 2019
Lodash v4.17.23
since Jun 2025

Miscellaneous

HTTP/3
since Jun 2025
Open Graph
since Sep 2022
RSS
since Jun 2025

Performance

Priority Hints
since Jun 2025

Programming languages

PHP
since Jan 2019

Security

Cloudflare Bot Management
since Aug 2026
HSTS
since Jun 2025

UI frameworks

Bootstrap v52f92e83
since Jun 2025

Web servers

Nginx
since Jan 2019

AI Crawlers

Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Search and AI assistants

  • PetalBot Blocked

The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 74% phone
  • 26% desktop
  • Japan

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

Open Page Rank

2.78 / 10 · ranked #2,033,201 of all domains

16 referring domains · OpenPageRank

Core Web Vitals

LCP1.4 s
INP50 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • CDN: Cloudflare, Fastly
  • Weight: 4.5 MB · 221 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Wix (185.230.63.107)
  • DNS: Wix DNS
  • Email: Sakura Internet
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 898,253, 2 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
www.crg.jp 14
crg.jp 8

Full technology history →
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