Performance

2 articles tagged Performance.

January 9, 2026•14 min read

Client-Side Personalization: The Flicker Problem, Performance Traps, and When It Actually Works

Client-side personalization promises easy implementation but delivers content flicker, Core Web Vitals disasters, and SEO invisibility. Here's the honest truth about JavaScript-based personalization after Google Optimize's shutdown.

Personalization Performance

December 26, 2025•6 min read

Server-Side Personalization - Part 2: When It Works, When It Fails, and What to Do Instead

Server-side personalization works for specific scenarios but fails spectacularly for most. Here's real performance data, honest cost comparisons, the failure warning signs, and hybrid alternatives that actually scale.

Personalization Performance Sitecore