What powers perennial.city?
Last seen Jun 2026 · 17 technologies across 13 categories
CDN
Cloudflare
since May 2025
Comment systems
Font scripts
Google Font API
since Aug 2022
Issue trackers
Sentry
since Aug 2022
JavaScript frameworks
JavaScript libraries
Maps
Payment processors
Programming languages
Ruby
since Aug 2022
Security
Cloudflare Bot Management
since May 2025
HSTS
since Sep 2022
UI frameworks
Tailwind CSS
since Mar 2025
Web frameworks
Ruby on Rails
since Aug 2022
Webmail
Google Workspace
since Aug 2022
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.38 / 10 · ranked #7,727,799 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 4.0 MB · 110 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics Jun 2026
- dropped Cowboy Nov 2025
- dropped Erlang Nov 2025
- dropped Heroku Nov 2025