What powers 
tsca.jp?
Last seen Aug 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Nov 2021
CMS
WordPress
since Nov 2021
Databases
MySQL
since Nov 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Nov 2021
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Nov 2021
Webmail
Google Workspace
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 Sep 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
4.20 / 10 · ranked #456,299 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on DIGIROCK DigiRock, Inc. (202.172.28.73)
- DNS: value-domain.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,495,118, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted