What powers 
fontswitch.jp?
Last seen Sep 2026 · 27 technologies across 19 categories
Advertising
Affiliate programs
Analytics
Authentication
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Marketing automation
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
Widgets
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% desktop
- 13% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #320,301 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.3 MB · 86 requests
- WordPress theme: cocoon (child: cocoon-child) · all themes
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.235.224)
- DNS: Sakura Internet
- Email: fontswitch.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 12,379,886
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
- detected Cloudflare Bot Management May 2026
- detected Font Awesome Feb 2026
- dropped Cloudflare Bot Management Nov 2025