What powers yay.boo?
Last seen Sep 2026 · 17 technologies across 12 categories
Analytics
Plausible
since Mar 2024
CDN
Font scripts
Font Awesome
since Mar 2024
Google Font API
since Mar 2024
JavaScript frameworks
Stimulus
since Mar 2024
JavaScript graphics
Miscellaneous
HTTP/3
since Mar 2024
PaaS
Render
since Mar 2024
Performance
Turbo
since Mar 2024
Programming languages
Ruby
since Mar 2024
Security
HSTS
since Jun 2025
UI frameworks
Tailwind CSS
since Jun 2025
Web frameworks
Ruby on Rails
since Mar 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.30 / 10 · ranked #1,128,203 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.5 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on RENDER (216.24.57.1)
- DNS: Porkbun
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 8,764,111, 71 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| yay.boo | 11 |
| miaomiaoearthprojection.yay.boo | 10 |
| discwanshingdk.yay.boo | 8 |
| obsidian-mcp.yay.boo | 8 |
| chinese-match-2.yay.boo | 6 |
| ecourse.yay.boo | 5 |
| positive-cards-parents.yay.boo | 5 |
| positive-cards-teacher.yay.boo | 5 |
| 202508tgcalendar2.yay.boo | 4 |
| liantsaiteachercamp.yay.boo | 4 |