What powers posiwill.co.jp?
Last seen Sep 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Feb 2020
CDN
Amazon CloudFront
since Feb 2020
Amazon S3
since Feb 2020
CMS
Contentful
since Oct 2023
JavaScript frameworks
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Jun 2020
PaaS
Amazon Web Services
since Feb 2020
Performance
Priority Hints
since Sep 2023
Programming languages
Node.js
since Jun 2020
Tag managers
Google Tag Manager
since Feb 2020
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
- 66% desktop
- 34% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.77 / 10 · ranked #731,142 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Amazon CloudFront
- Weight: 13.4 MB · 64 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (54.240.184.2)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 10,361,648, 2 hosts
- Verified with: Atlassian, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted