What powers 
ubuya.co.jp?
Last seen Sep 2026 · 20 technologies across 10 categories
Analytics
Google Analytics
since Aug 2019
CDN
Google Workspace
since Jul 2025
Sendgrid
since Apr 2023
Hosting
Xserver
since Aug 2022
JavaScript frameworks
JavaScript libraries
Slick
since Aug 2019
Miscellaneous
Babel
since May 2023
Open Graph
since Sep 2022
Programming Languages
Tag managers
Google Tag Manager
since Aug 2019
Web Servers
Apache HTTP Server
since Jan 2019
Nginx
since Mar 2020
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
- 51% desktop
- 49% phone
United States
Taiwan
Japan
Singapore
Spain
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.53 / 10 · ranked #866,733 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.8 MB · 108 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.181.88.12)
- DNS: Xserver
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: CloudSecure Corporation, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 3,123,018
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ubuya.co.jp | 17 |
| ubuya.co.jp | 8 |