What powers peterzelinka.com?
Last seen Jun 2026 · 13 technologies across 9 categories
A/B Testing
Optimizely
since Jul 2019
CDN
Cloudflare
since Feb 2021
Mailgun
since Aug 2022
JavaScript libraries
Miscellaneous
Photo galleries
Zenfolio
since Jan 2019
RUM
New Relic
since Feb 2019
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Sep 2022
User onboarding
Appcues
since Sep 2021
Audience
- 55% phone
- 45% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.66 / 10 · ranked #5,225,838 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.6 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Cart Functionality May 2026
- dropped Java Feb 2026
- dropped core-js Dec 2025