What powers 
alsel.co.jp?
Last seen Aug 2026 · 21 technologies across 15 categories
Analytics
Google Analytics
since Jul 2020
Microsoft Clarity
since Feb 2025
CDN
Cloudflare
since Feb 2025
CMS
Databases
MySQL
since Jul 2020
Ecommerce
Font scripts
Google Font API
since Jul 2020
Hosting
Xserver
since Feb 2025
JavaScript libraries
Miscellaneous
HTTP/3
since Feb 2025
Open Graph
since Feb 2025
Performance
Priority Hints
since Feb 2025
Programming languages
PHP
since Jul 2020
Reverse proxies
Nginx
since Jul 2020
Security
HSTS
since Feb 2025
Tag managers
Google Tag Manager
since Mar 2021
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #775,812 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (23.227.38.36)
- DNS: Xserver
- Email: Xserver
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 9,324,108, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| alsel.co.jp | 11 |
| shop.alsel.co.jp | 11 |