What powers kellch.co.jp?

Last seen Sep 2026 · 14 technologies across 9 categories

Affiliate programs

Moshimo
since Oct 2022

Analytics

Facebook Pixel v2.9.397
since Sep 2021
Google Analytics
since Feb 2019
Microsoft Clarity
since Oct 2021

CDN

cdnjs
since Dec 2021
Cloudflare
since Jun 2022
Google Hosted Libraries
since Feb 2022

Ecommerce

Cart Functionality
since Dec 2021

Hosting

Xserver
since Aug 2022

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v1.11.1
since Feb 2019

Miscellaneous

Open Graph
since Oct 2022

Tag managers

Google Tag Manager
since Feb 2019

Web servers

Nginx
since Feb 2019

AI Crawlers

Blocks 1 of 33 AI crawlers we track by name in its robots.txt, restricts 2 more. Checked Sep 2026.

Training crawlers

  • GPTBot Blocked

Search and AI assistants

  • OAI-SearchBot Restricted

User-request fetchers

  • ChatGPT-User Restricted

The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • Sep 2026 chatgpt-user added to robots.txt
  • Sep 2026 gptbot added to robots.txt
  • Sep 2026 oai-searchbot added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • Japan

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

Open Page Rank

2.06 / 10 · ranked #3,436,743 of all domains

7 referring domains · OpenPageRank

Core Web Vitals

LCP0.8 s
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Japanese
  • Weight: 2.6 MB · 74 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Xserver (85.131.209.45)
  • DNS: Xserver
  • Email: kellch.co.jp
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 18,989,148, 2 hosts

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

Subdomains

HostTechs
kellch.co.jp 14
jewelry-craft.kellch.co.jp 7

Full technology history →
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