What powers 
inversenet.co.jp?
Last seen Sep 2026 · 15 technologies across 11 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 55% desktop
- 44% phone
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.43 / 10 · ranked #413,362 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 7.0 MB · 52 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- インバースネット株式会社 (Inversenet on Wikidata)
- Founded: 1951
- Sector: second-hand market
- Country: Japan
- Profiles: Facebook, X, Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on PROX Prox System Design Inc. (210.143.104.218)
- DNS: alpha-prm.jp
- Email: alpha-prm.jp
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 1,968,099, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.inversenet.co.jp | 11 |
| kaitori.inversenet.co.jp | 10 |
Full technology history →
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Recent changes
- dropped Google Font API May 2026
- detected jsDelivr Apr 2026
- detected Swiper Apr 2026
- detected Three.js Apr 2026
- detected Typekit Apr 2026
- dropped OneTrust Mar 2026
- detected Google Analytics Feb 2026
- detected Vue.js Feb 2026