What powers underxheaven.com?
Last seen Jun 2026 · 28 technologies across 14 categories
Advertising
Google AdSense
since Jan 2019
Twitter Ads
since Sep 2021
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since May 2025
CDN
Bunny
since Aug 2023
Cloudflare
since Nov 2022
Font scripts
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Retargeting
Google Remarketing Tag
since Jul 2021
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Dec 2023
Web servers
Nginx
since Mar 2021
Widgets
Audience
- 50% desktop
- 50% phone
Japan
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.55 / 10 · ranked #6,057,481 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 9.4 MB · 160 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| notes.underxheaven.com | 18 |
| old-notes.underxheaven.com | 13 |
| backup-notes.underxheaven.com | 12 |
| sugar-pot.underxheaven.com | 10 |
| proto-iroha.underxheaven.com | 8 |
| underxheaven.com | 7 |
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Snowplow Analytics Dec 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Google Font API Nov 2025
- detected Snowplow Analytics Oct 2025