What powers seiki.jp?

Last seen Oct 2026 · 26 technologies across 19 categories

Analytics

Facebook Pixel v2.9.419
since Jul 2021
Google Analytics
since Aug 2018
Microsoft Clarity
since Aug 2022

Caching

W3 Total Cache
since Jun 2025

CDN

Cloudflare
since May 2022

CMS

WordPress
since Jun 2025

Databases

MySQL
since Jun 2025

Editors

DreamWeaver
since May 2020

Font scripts

Google Font API
since May 2020

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v3.7.1
since Aug 2018
jQuery Migrate v3.4.1
since Jun 2025
jQuery UI v1.7.2
since May 2020

Marketing automation

HubSpot
since Oct 2025

Miscellaneous

Open Graph
since Sep 2022
Popper v1.14.7
since Feb 2021

Operating systems

CentOS
since May 2020

Programming languages

Java
since Sep 2021
PHP
since May 2020

Rich text editors

TinyMCE
since Jun 2025

Security

Cloudflare Bot Management
since Oct 2025

Tag managers

Google Tag Manager
since Sep 2020

UI frameworks

Bootstrap v4.3.1
since May 2020

Web server extensions

OpenSSL v1.0.1e
since May 2020

Web servers

Apache HTTP Server
since Aug 2018

WordPress plugins

Yoast SEO v25.0
since Jun 2025

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. 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

  • 82% phone
  • 18% desktop
  • Japan

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

Open Page Rank

2.93 / 10 · ranked #1,721,036 of all domains

17 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
INP125 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: Japanese
  • Weight: 6.2 MB · 211 requests
  • WordPress theme: seiki · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • 株式会社 成基

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

Infrastructure

  • Hosted on OPTAGE OPTAGE Inc. (103.199.132.43)
  • DNS: namegear.co
  • Email: seiki.jp
  • Email security: no SPF record, no DMARC record
  • Common Crawl link graph: rank 11,351,098, 4 hosts

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

Subdomains

HostTechs
www.seiki.jp 19
members.seiki.jp 11

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