What powers 
siwa.jp?
Last seen Oct 2026 · 8 technologies across 6 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Video players
Web servers
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
- 54% phone
- 46% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.72 / 10 · ranked #755,523 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese (Japan)
- Weight: 5.6 MB · 126 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on UCOM - ARTERIA Networks Corporation (122.219.45.132)
- DNS: bindcloud.jp
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 2,964,855, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| siwa.jp | 8 |
| www.siwa.jp | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected VideoJS Jul 2026
- dropped Cart Functionality Jan 2026