What powers rgblue.jp?

Last seen Aug 2026 · 25 technologies across 10 categories

Analytics

Google Analytics
since Apr 2019

CDN

Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Feb 2023

Ecommerce

Cart Functionality
since Feb 2023
Shopify
since Feb 2023

Font scripts

Font Awesome
since Oct 2024
Google Font API
since Feb 2023

JavaScript frameworks

GSAP v1.20.3
since Feb 2023
JSS
since Oct 2024
React
since Oct 2024

JavaScript libraries

Axios
since Feb 2023
Boomerang
since Feb 2023
core-js v3.37.0
since Feb 2023
Flickity
since Feb 2023
jQuery v3.6.0
since Apr 2019
LazySizes
since Feb 2023
Lightbox
since Feb 2023
Loadable-Components
since Oct 2024
Slick
since Apr 2019

Miscellaneous

HTTP/3
since Feb 2023
Open Graph
since Sep 2022

Performance

Priority Hints
since Feb 2023

Photo galleries

PhotoSwipe
since Feb 2023

Security

HSTS
since Feb 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 Sep 2026.

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt, llms-full.txt

Full breakdown

Audience

  • 54% desktop
  • 46% phone
  • Japan

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

Open Page Rank

3.56 / 10 · ranked #837,807 of all domains

38 referring domains · OpenPageRank

Core Web Vitals

LCP1.8 s
INP50 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • CDN: Cloudflare
  • Weight: 3.5 MB · 339 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Cloudflare (23.227.38.65)
  • DNS: Onamae.com
  • Email: no MX record returned, SPF names Xserver
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
  • Common Crawl link graph: rank 10,841,350, 2 hosts
  • Verified with: Google

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

Subdomains

HostTechs
rgblue.jp 24
www.rgblue.jp 20

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