What powers ecats-library.jp?

Last seen Aug 2026 · 9 technologies across 7 categories

JavaScript libraries

jQuery v3.6.0
since Mar 2024
jQuery UI v1.13.2
since Mar 2024
Splide
since Jul 2024

Miscellaneous

Open Graph
since Mar 2024

PaaS

Amazon Web Services
since Mar 2024

Programming languages

Python
since Mar 2024

UI frameworks

Bootstrap v3.4.1
since Mar 2024

Web frameworks

Django
since Mar 2024

Web servers

Apache HTTP Server
since Mar 2024

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Audience

  • 76% desktop
  • 24% phone
  • Japan

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

Open Page Rank

3.91 / 10 · ranked #643,035 of all domains

32 referring domains · OpenPageRank

Core Web Vitals

LCP1.6 s
INP50 ms
CLS0.05
TTFB1000 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • Weight: 2.5 MB · 21 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

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

Subdomains

HostTechs
hosei.ecats-library.jp 8
opac-tais.ecats-library.jp 8
opac-wayo.ecats-library.jp 8

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