What powers yousin.jp?
Last seen Sep 2026 · 16 technologies across 11 categories
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Web servers
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.08 / 10 · ranked #3,389,950 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 90 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.249.27)
- DNS: Sakura Internet
- Email: yousin.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,390,491, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped DreamWeaver Feb 2026
- dropped Font Awesome Feb 2026
- dropped Google Hosted Libraries Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped Lightbox Feb 2026
- dropped Microsoft Clarity Feb 2026
- detected Priority Hints Feb 2026
- dropped Twitter Feb 2026
- dropped Twitter Ads Feb 2026
- detected Clipboard.js Jan 2026
- detected core-js Jan 2026
- detected Google Font API Jan 2026
- detected jQuery Migrate Jan 2026
- detected Lightning Jan 2026
- detected MySQL Jan 2026
- detected PHP Jan 2026
- detected RSS Jan 2026
- detected Swiper Jan 2026
- detected WordPress Jan 2026
- detected WordPress Block Editor Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025