What powers r-and-o.tokyo?
Last seen Aug 2026 · 23 technologies across 14 categories
Analytics
Google Analytics
since May 2023
Microsoft Clarity
since May 2023
CMS
Databases
MySQL
since May 2023
Font scripts
Google Font API
since May 2023
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Marketing automation
BowNow
since Jun 2023
Miscellaneous
Open Graph
since May 2023
RSS
since May 2023
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since May 2023
Tag managers
Google Tag Manager
since May 2023
UI frameworks
Web servers
Nginx
since May 2023
WordPress plugins
WordPress themes
Lightning
since May 2023
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% desktop
- 39% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.69 / 10 · ranked #5,005,350 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 5.4 MB · 165 requests
- WordPress theme: rando · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped Moment.js Jan 2026