What powers js-dt.jp?
Last seen Sep 2026 · 24 technologies across 16 categories
Advertising
Twitter Ads
since Jun 2023
CMS
Databases
MySQL
since Aug 2022
Font scripts
Font Awesome
since Jun 2023
Twitter Emoji (Twemoji)
since Aug 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Isotope
since Jun 2023
Miscellaneous
Open Graph
since Oct 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Aug 2024
WordPress Site Editor
since Sep 2026
Performance
Priority Hints
since Sep 2026
Programming languages
PHP
since Aug 2022
Security
Really Simple SSL & Security
since Apr 2024
SEO
UI frameworks
Web servers
Nginx
since Aug 2022
Widgets
Twitter
since Jun 2023
WordPress themes
Twenty Twenty-One
since Sep 2022
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
Open Page Rank
3.26 / 10 · ranked #1,184,134 of all domains
22 referring domains · OpenPageRank
Infrastructure
- Hosted on Sakura Internet (202.181.97.69)
- DNS: Sakura Internet
- Email: js-dt.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,003,926, 11 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tokyo2024.js-dt.jp | 14 |
| js-dt.jp | 13 |
| shinshu2023.js-dt.jp | 13 |
| aichi2025.js-dt.jp | 12 |
| kyoto2026.js-dt.jp | 11 |
| kyoto2022.js-dt.jp | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Clipboard.js Aug 2026