What powers tctangle.co.jp?
Last seen Aug 2026 · 14 technologies across 12 categories
Analytics
Google Analytics
since Nov 2022
CDN
Cloudflare
since Nov 2022
Databases
Firebase
since Nov 2022
Font scripts
Google Font API
since Nov 2022
IaaS
Google Cloud
since Nov 2022
JavaScript frameworks
Miscellaneous
Open Graph
since Nov 2022
Page builders
STUDIO
since Nov 2022
Programming languages
Node.js
since Nov 2022
Security
Cloudflare Bot Management
since Nov 2022
Tag managers
Google Tag Manager
since Nov 2022
Video players
Vimeo
since Nov 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
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
1.73 / 10 · ranked #4,768,713 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- DNS: gmoserver.jp
- Email: onamae.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 29,596,538, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped HSTS Aug 2026