What powers yellcloud.com?
Last seen Jul 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Dec 2020
CDN
Sucuri
since Aug 2023
Font scripts
Font Awesome
since Jul 2021
Issue trackers
Sentry
since Jul 2024
JavaScript libraries
Miscellaneous
HTTP/3
since Jan 2025
PaaS
Amazon Web Services
since Dec 2020
Programming languages
Ruby
since Dec 2020
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Dec 2020
Web frameworks
Ruby on Rails
since Dec 2020
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% desktop
- 28% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 3.7 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.0 MB · 3 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.