What powers 
16ttsec.co.jp?
Last seen Oct 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Dec 2020
Font scripts
Google Font API
since Dec 2020
JavaScript libraries
Programming languages
Java
since Sep 2021
Web servers
Apache HTTP Server
since Dec 2020
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 74% phone
- 26% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #893,070 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 10.1 MB · 110 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: ocn.ad.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 16,266,369, 3 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.16ttsec.co.jp | 6 |
| onlinetrade.16ttsec.co.jp | 3 |