Category
Category: Performance
Practical thinking on engineering, performance, SEO and product — from the DELLIUX team.
Performance
Caching Strategy for Web Apps: What to Cache and When
A practical guide to caching strategy for founders and CTOs: the cache hierarchy, common Redis patterns, and why invalidation (not caching itself) causes most production bugs.
9 min read
Performance
How to Improve Core Web Vitals Score Properly
A practical guide to improving your Core Web Vitals score - how to diagnose LCP, INP and CLS problems with field and lab data, fix the root causes, and build a release process that keeps performance from sliding back.
9 min read
Performance
Website Speed Optimisation: Shaving 4s to Under 1s
How a disciplined website speed optimisation pass took a client site from a four-second first paint to under one second, and the repeatable checklist behind it.
7 min read