What powers rq-center.jp?

Last seen Oct 2026 · 27 technologies across 18 categories

Advertising

Twitter Ads
since Aug 2026

Analytics

Google Analytics
since Aug 2022

Authentication

Facebook Login
since Feb 2024

Caching

WordPress Super Cache
since Feb 2024

CDN

cdnjs
since Sep 2026
Cloudflare
since Aug 2026

CMS

WordPress v4.9.26
since Aug 2022

Databases

MySQL
since Aug 2022

Font scripts

Font Awesome v7.3.1
since Feb 2024
Google Font API
since Aug 2026
Twitter Emoji (Twemoji)
since Aug 2022

JavaScript libraries

core-js v3.39.0
since Jul 2024
jQuery v1.12.4
since Aug 2022
jQuery Migrate v1.4.1
since Aug 2022

Miscellaneous

RSS
since Dec 2022

Page builders

WordPress Block Editor
since Jul 2024

Performance

Priority Hints
since Feb 2024

Programming languages

PHP v5.4.16
since Aug 2022

Security

Cloudflare Bot Management
since Aug 2026
reCAPTCHA
since Feb 2024

Web servers

Apache HTTP Server
since Aug 2022

Widgets

Twitter
since Aug 2026

WordPress plugins

Contact Form 7 v5.1.7
since Aug 2022
Shortcodes Ultimate
since Feb 2024

WordPress themes

ThemeGrill Spacious
since Feb 2024
Twenty Fourteen
since Aug 2026

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 Oct 2026. A recent check saw a policy file missing; awaiting confirmation.

  • Sep 2026 llms.txt appeared

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 100% phone
  • Japan

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

Open Page Rank

2.98 / 10 · ranked #1,630,349 of all domains

20 referring domains · OpenPageRank

Core Web Vitals

LCP4.1 s
CLS0
TTFB3000 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Weight: 1.4 MB · 64 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on IDCF IDC Frontier Inc. (210.129.88.31)
  • DNS: inetd.co.jp
  • Email: inetd.co.jp
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 3,480,187, 5 hosts

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

Subdomains

HostTechs
rq-center.jp 20
kyushu.rq-center.jp 18
kikigaki.rq-center.jp 11

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018