What powers yotsuba-kobo.com?
Last seen Sep 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since Nov 2024
CMS
WordPress
since Nov 2024
Databases
MySQL
since Nov 2024
Font scripts
Font Awesome
since Nov 2024
Google Font API
since Nov 2024
Hosting
Sakura Internet
since Nov 2024
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2024
Programming languages
PHP
since Nov 2024
Security
reCAPTCHA
since Nov 2024
UI frameworks
Bootstrap
since Nov 2024
Web servers
Nginx
since Nov 2024
WordPress plugins
Genesis blocks
since Dec 2024
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.62 / 10 · ranked #21,640,205 of all domains
4 referring domains · OpenPageRank
Page
- Language: Japanese
- Weight: 3.7 MB · 61 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (202.181.97.57)
- DNS: Sakura Internet
- Email: yotsuba-kobo.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 64,877,749
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted