What powers 
portcity-hall.tokyo?
Last seen Sep 2026 · 16 technologies across 10 categories
Advertising
Microsoft Advertising
since Apr 2025
Yahoo Advertising
since Apr 2022
Analytics
Google Analytics
since Sep 2020
Font scripts
Typekit
since Feb 2021
Hosting panels
Plesk
since Sep 2020
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
Programming languages
Tag managers
Google Tag Manager
since Sep 2020
Web servers
Nginx
since Sep 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Standards: llms.txt
Audience
- 81% desktop
- 19% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.70 / 10 · ranked #310,658 of all domains
74 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.3 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Nov 2019 (6 years) via GMO Internet Group, Inc., renews Nov 2026
- Hosted on BBTOWER BroadBand Tower, Inc. (203.216.199.51)
- DNS: portcity-hall.tokyo
- Email: portcity-hall.tokyo
- Email security: no SPF record, no DMARC record
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,292,409, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portcity-hall.tokyo | 15 |
| www.portcity-hall.tokyo | 14 |