What powers 
whitewhite.jp?
Last seen Oct 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since May 2019
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since May 2019
JavaScript libraries
Maps
Google Maps
since Dec 2022
Programming languages
Tag managers
Google Tag Manager
since Mar 2022
Video players
YouTube
since Sep 2019
Web servers
Widgets
SnapWidget
since Aug 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 58% phone
- 42% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.55 / 10 · ranked #846,628 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 21.9 MB · 90 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 審美歯科ホワイトホワイト
- Industry: Healthcare (declares
MedicalOrganization)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on OPTAGE - OPTAGE Inc. (58.191.153.36)
- DNS: kk-ca.net
- Email: whitewhite.jp
- Email security: SPF (soft fail), no DMARC record, CAA
- SSL: Sectigo, RSA 2048, wildcard, expires May 2027
- Common Crawl link graph: rank 10,909,164
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped FreeBSD Mar 2026