What powers 
wha.co.jp?
Last seen Sep 2026 · 12 technologies across 10 categories
Advertising
Google Ads
since Dec 2022
Yahoo Advertising
since Apr 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Font scripts
Hosting
Xserver
since Aug 2022
JavaScript libraries
Programming languages
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web servers
Nginx
since Jan 2019
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
- 60% phone
- 40% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #797,241 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 109 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.128.88)
- DNS: Xserver
- Email: wha.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,951,414, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| wha.co.jp | 12 |
| www.wha.co.jp | 12 |