What powers cl-system.jp?

Last seen Feb 2023 · 22 technologies across 11 categories

CDN

jsDelivr
since Aug 2022

CMS

WordPress v5.8.6
since Aug 2022

Databases

MySQL
since Aug 2022

Font scripts

Font Awesome
since Aug 2022
Google Font API
since Aug 2022
Twitter Emoji (Twemoji) v13.1.0
since Aug 2022

JavaScript libraries

core-js v3.11.0
since Aug 2022
FingerprintJS v2.1.0
since Aug 2022
jQuery v3.6.0
since Aug 2022
jQuery Migrate v3.3.2
since Aug 2022
OWL Carousel
since Aug 2022

Miscellaneous

Popper
since Aug 2022
RSS
since Dec 2022

Programming languages

PHP
since Aug 2022

UI frameworks

Bootstrap v4.4.1
since Aug 2022

Video players

YouTube
since Aug 2022

Web servers

Apache HTTP Server
since Aug 2022

WordPress plugins

Breadcrumb NavXT v6.6.0
since Aug 2022
Elementor
since Aug 2022
The Events Calendar
since Aug 2022
WooCommerce v5.8.1
since Aug 2022
WooCommerce Blocks v6.2.0
since Aug 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

Open Page Rank

6.35 / 10 · ranked #85,827 of all domains

599 referring domains · OpenPageRank

Infrastructure

  • Hosted on GMO Internet (160.251.122.192)
  • DNS: cl-system.jp
  • Email: cl-system.jp
  • Email security: SPF (soft fail), no DMARC record, CAA
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 2,112,420, 3 hosts
  • Verified with: Google

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

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