What powers 
koatsugas.co.jp?
Last seen Sep 2026 · 23 technologies across 16 categories
Advertising
Tapad
since Apr 2025
Analytics
Google Analytics
since Apr 2021
CDN
cdnjs
since Apr 2025
Cloudflare
since Apr 2025
CMS
WordPress
since Apr 2025
Databases
MySQL
since Apr 2025
Font scripts
Font Awesome
since Apr 2025
Twitter Emoji (Twemoji)
since Jan 2026
JavaScript libraries
Miscellaneous
RSS
since Apr 2025
Performance
Priority Hints
since Apr 2025
Programming languages
Security
HSTS
since Apr 2025
Tag managers
Google Tag Manager
since Apr 2021
Video players
YouTube
since Dec 2023
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Apr 2025
Widgets
AddToAny
since Apr 2025
FlexSlider
since Apr 2020
WordPress plugins
Autoptimize
since Apr 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 57% desktop
- 43% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.69 / 10 · ranked #769,580 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 50 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Koatsu Gas Kogyo
- Founded: 1958
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on OCN NTT Communications Corporation (122.17.166.46)
- DNS: customer.ne.jp
- Email: ocn.ad.jp
- Email security: no SPF record, no DMARC record
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,327,200, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tagpro.koatsugas.co.jp | 19 |
| www.koatsugas.co.jp | 7 |