What powers 
sleepselect.co.jp?
Last seen Sep 2026 · 37 technologies across 20 categories
Advertising
Analytics
CDN
CMS
Databases
Ecommerce
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PaaS
Performance
Programming languages
Reviews
Security
Tag managers
Video players
Web servers
Webmail
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 58% phone
- 42% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #907,383 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 7.8 MB · 127 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 株式会社スリープセレクト
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Sakura Internet (160.16.80.70)
- DNS: wadax-sv.jp
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 2,572,900, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sleepselect.co.jp | 24 |
| shop.sleepselect.co.jp | 22 |
Full technology history →
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Recent changes
- detected Glide.js Jun 2026
- detected Yotpo Reviews Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Amplitude Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Yahoo Advertising Nov 2025