What powers gc-c.co.jp?

Last seen Aug 2026 · 20 technologies across 9 categories

Analytics

Google Analytics
since Aug 2022

CMS

WordPress v6.4.3
since Aug 2022

Databases

MySQL
since Aug 2022

Font scripts

Google Font API
since Jan 2023
Twitter Emoji (Twemoji) v14.0.2
since Aug 2022

JavaScript libraries

core-js v3.24.1
since Jan 2023
jQuery v3.7.1
since Aug 2022
jQuery Migrate v3.4.1
since Aug 2022
jQuery UI v1.13.2
since Jan 2023
Underscore.js v1.13.4
since Jan 2023

Miscellaneous

RSS
since Jan 2023

Programming languages

PHP
since Aug 2022

Web servers

Apache HTTP Server
since Aug 2022
Nginx
since Apr 2023

WordPress plugins

Contact Form 7 v5.8.6
since Aug 2022
Elementor v3.8.0
since Jan 2023
Site Kit v1.124.0
since Jun 2024
WordPress Super Cache
since Apr 2023
WPForms v1.7.7.2
since Jan 2023

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.

  • 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

  • 100% desktop
  • Japan

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

Open Page Rank

2.50 / 10 · ranked #2,493,535 of all domains

8 referring domains · OpenPageRank

Core Web Vitals

LCP1.6 s
CLS0

Real user p75, Chrome UX Report, Sep 2026.

Infrastructure

  • Hosted on GMOOSK-NET GMO Internet Group, Inc. (160.251.229.16)
  • DNS: gmoserver.jp
  • Email: gmoserver.jp
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 10,289,435, 2 hosts

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

Subdomains

HostTechs
www.gc-c.co.jp 18
gc-c.co.jp 16

Full technology history →
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