What powers jslc.co.jp?
Last seen Oct 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Jul 2020
Ecommerce
Cart Functionality
since Nov 2021
Font scripts
Google Font API
since Jul 2026
Hosting
Sakura Internet
since Dec 2025
JavaScript libraries
Programming languages
PHP
since Jan 2019
Web frameworks
CodeIgniter
since Feb 2026
Web servers
Nginx
since Feb 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 68% desktop
- 32% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.13 / 10 · ranked #1,379,281 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 76 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OCN NTT Communications Corporation (60.43.197.143)
- DNS: Sakura Internet
- Email: ocn.ad.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 7,193,870, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Jul 2026
- dropped Apache HTTP Server Mar 2026
- detected CodeIgniter Feb 2026
- detected Nginx Feb 2026
- detected Sakura Internet Dec 2025