What powers yoshiizumi.com?

Last seen Aug 2026 · 16 technologies across 13 categories

Analytics

Google Analytics vUA
since Jul 2019

CDN

Google Hosted Libraries
since Feb 2022

Font scripts

Font Awesome v4.7.0
since Mar 2021

JavaScript frameworks

Prototype v1.7.1
since Jul 2021

JavaScript libraries

jQuery v2.1.4
since Jul 2019
Lightbox
since Mar 2021
Modernizr v2.6.2
since Jul 2019
script.aculo.us v1.9.0
since Jul 2021

Marketing automation

Miscellaneous

RSS
since Dec 2022

Operating systems

CentOS
since Jul 2019

Programming languages

PHP v5.4.16
since Jul 2019

Security

HSTS
since Sep 2022

UI frameworks

Bootstrap v3.3.6
since Mar 2021

Web server extensions

OpenSSL v1.0.1e
since Jul 2019

Web servers

Apache HTTP Server
since Jul 2019

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.

  • robots.txt not found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 61% desktop
  • 39% phone
  • Japan

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

Open Page Rank

1.74 / 10 · ranked #4,708,865 of all domains

19 referring domains · OpenPageRank

Core Web Vitals

LCP1.4 s
INP25 ms
CLS0.1
TTFB200 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • Weight: 6.8 MB · 75 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Sakura Internet (160.16.230.172)
  • DNS: gmoserver.jp
  • Email: yoshiizumi.com
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 12,814,174, 4 hosts

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

Subdomains

HostTechs
yoshiizumi.com 12
sp.yoshiizumi.com 7

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