What powers 
phaj.or.jp?
Last seen Sep 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Aug 2018
CDN
jQuery CDN
since Feb 2022
Hosting
Sakura Internet
since Jun 2023
JavaScript libraries
Operating systems
CentOS
since Aug 2018
Tag managers
Google Tag Manager
since Mar 2024
Web servers
Webmail
Google Workspace
since Aug 2022
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
- 75% desktop
- 25% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #356,412 of all domains
64 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.8 MB · 96 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- THE PORTS&HARBOURS Association Of Japan
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: Sakura Internet
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 742,281, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted