What powers 
j-s-p.com?
Last seen Sep 2026 · 17 technologies across 10 categories
Advertising
Microsoft Advertising
since Mar 2026
Analytics
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Nov 2020
JavaScript libraries
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Miscellaneous
Open Graph
since Mar 2026
Performance
Priority Hints
since Jul 2026
Programming languages
PHP
since May 2019
Tag managers
Google Tag Manager
since Nov 2020
Web servers
Apache HTTP Server
since May 2019
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #954,300 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (133.125.43.217)
- DNS: Onamae.com
- Email: Sakura Internet
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 29,416,287, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped cdnjs Aug 2026
- dropped Cloudflare Aug 2026
- dropped scrollreveal Aug 2026
- dropped Splide Aug 2026
- dropped Unpkg Aug 2026
- detected Priority Hints Jul 2026
- detected Microsoft Advertising Mar 2026
- detected Open Graph Mar 2026
- dropped CentOS Jan 2026
- dropped OpenSSL Jan 2026
- detected Moment.js Dec 2025