What powers mujikurasu.com?

Last seen Oct 2026 · 25 technologies across 18 categories

Advertising

Google AdSense
since Jul 2021
Twitter Ads
since Dec 2021

Affiliate programs

ValueCommerce
since Jul 2021

Analytics

Google Analytics
since Jul 2021

CDN

Cloudflare
since Sep 2022

CMS

WordPress
since Jul 2021

Databases

MySQL
since Jul 2021

Font scripts

Google Font API
since Jul 2021

Hosting

Xserver
since Aug 2022

JavaScript libraries

jQuery v3.7.1
since Jul 2021
Swiper
since Aug 2023

Miscellaneous

Open Graph
since Sep 2022
RSS
since Dec 2022

Page builders

WordPress Block Editor
since Jul 2024

Performance

LazySizes
since Feb 2022
Priority Hints
since Sep 2026

Programming languages

PHP
since Jul 2021

Security

Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Apr 2022

Tag managers

Google Tag Manager
since Jan 2022

Web servers

Nginx
since Jul 2021

Widgets

Twitter
since Dec 2021

WordPress plugins

All in One SEO v5.0.0.1
since Jul 2024
Contact Form 7 v6.1.7
since Feb 2022
EWWW Image Optimizer
since Feb 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 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

  • 60% desktop
  • 40% phone
  • Japan

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

Open Page Rank

0.51 / 10 · ranked #24,172,604 of all domains

3 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP75 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: Japanese
  • Weight: 1.7 MB · 122 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • ムジクラス -MUSICLASS-|音楽科教員のための授業ブログ
  • Profiles: X, YouTube

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Xserver (183.181.86.94)
  • DNS: Xserver
  • Email: mujikurasu.com
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 10,399,986, 2 hosts

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

Subdomains

HostTechs
mujikurasu.com 24
free.mujikurasu.com 18

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