Tips & Tricks5 min read
The Ultimate Web Performance Audit Checklist for Frontend Developers
By Sayyed Abrar Akhtar โข Published 2025-02-18
Actionable techniques to reduce JavaScript payload, optimize images, eliminate render-blocking CSS, and speed up TFB.
Before launching any web application, go through this high-impact performance checklist:
- **Image Formats**: Convert PNGs/JPEGs to modern WebP/AVIF formats.
- **Font Subsetting**: Preload critical self-hosted web fonts using `font-display: swap`.
- **Bundle Analysis**: Run `@next/bundle-analyzer` or `source-map-explorer` to prune dynamic imports and duplicate npm packages.
Tags:#Performance#Web Dev#Checklist