What powers doubleknot.co.jp?
Last seen Sep 2026 · 32 technologies across 17 categories
Affiliate programs
Analytics
CDN
CMS
Databases
Documentation
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
SEO
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.26 / 10 · ranked #1,176,863 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Xserver (202.233.66.26)
- DNS: Xserver
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 12,959,419, 17 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| daikokudo-wp-test.doubleknot.co.jp | 27 |
| doubleknot.co.jp | 18 |
Full technology history →
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Recent changes
- dropped reCAPTCHA May 2026
- dropped Twitter Emoji (Twemoji) May 2026
- dropped YouTube May 2026