What powers isumirail.co.jp?

Last seen Aug 2026 · 21 technologies across 15 categories

CDN

jsDelivr
since Mar 2021

CMS

WordPress
since Jan 2016

Databases

MySQL
since Jan 2019

Font scripts

Font Awesome v5.15.4
since Apr 2019
Google Font API
since Apr 2019

Hosting

WordPress Multisite
since Feb 2024

JavaScript Frameworks

jQuery v3.7.1
since Jan 2016

JavaScript libraries

core-js v3.39.0
since Nov 2022
jQuery Migrate v1.4.1
since Jan 2019
LazySizes
since Feb 2024

Miscellaneous

Clipboard.js
since Mar 2021
Open Graph
since Sep 2022
RSS
since Dec 2022

Page builders

WordPress Block Editor
since Jul 2024

Programming languages

PHP v8.3.33
since Jan 2019

Security

reCAPTCHA
since Nov 2022

Video players

YouTube
since Sep 2020

Web Servers

Apache HTTP Server
since Jan 2016

Widgets

Twitter
since Oct 2019

WordPress plugins

Contact Form 7 v6.1.1
since Nov 2022
Site Kit v1.165.0
since Jul 2021

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.

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

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
naruse station #48 0
isumi railway #40 0
kominato railway #79 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 78% phone
  • 20% desktop
  • 2% tablet
  • Japan

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

Open Page Rank

5.82 / 10 · ranked #126,844 of all domains

161 referring domains · OpenPageRank

Core Web Vitals

LCP2.2 s
INP75 ms
CLS0
TTFB1500 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • Weight: 2.6 MB · 72 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • いすみ鉄道公式ウェブサイト (Isumi Railway on Wikidata)
  • Founded: 1987
  • Country: Japan

From the homepage's own structured data (Sep 2026) and Wikidata (CC0).

Infrastructure

  • DNS: Lolipop
  • Email: no MX record returned
  • Email security: DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 614,156, 2 hosts

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

Subdomains

HostTechs
isumirail.co.jp 14
www.isumirail.co.jp 12

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