What powers senninriki.jp?
Last seen Sep 2026 · 33 technologies across 18 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
Reviews
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 70% phone
- 30% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,137,731 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 4700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 16.4 MB · 166 requests
- WordPress theme: sennin · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.129.191)
- DNS: Sakura Internet
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,319,904, 2 hosts
- Verified with: Apple Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Bunny Jun 2026
- dropped React Jun 2026
- dropped styled-components Jun 2026
- detected Cloudflare Turnstile May 2026
- detected Bunny Apr 2026
- detected Preact Apr 2026
- detected React Apr 2026
- detected styled-components Apr 2026
- dropped WP Fastest Cache Apr 2026
- detected WP Fastest Cache Feb 2026
- dropped Bunny Jan 2026
- detected jQuery UI Jan 2026
- detected Popup Maker Jan 2026
- dropped Preact Jan 2026
- dropped React Jan 2026
- dropped styled-components Jan 2026
- detected Trustindex Jan 2026
- dropped WP Fastest Cache Jan 2026
- dropped reCAPTCHA Dec 2025
- detected Bunny Nov 2025
- detected Google Ads Nov 2025
- detected Google Ads Conversion Tracking Nov 2025
- detected Preact Nov 2025
- detected React Nov 2025
- detected styled-components Nov 2025
- detected WP Fastest Cache Nov 2025
- detected Yahoo Advertising Nov 2025