What powers tsukanshi.com?
Last seen Oct 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jul 2019
CDN
CMS
Wagtail
since Jul 2021
Font scripts
Google Font API
since Jul 2019
Ionicons
since Jul 2019
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Python
since Jul 2019
UI frameworks
Web frameworks
Django
since Jul 2019
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 80% desktop
- 20% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.89 / 10 · ranked #14,779,333 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 7.4 MB · 75 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.115.174.112)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 63,164,221
- Verified with: Brevo, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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