NGINX Automatic Image Conversion: WebP and AVIF
by Danila Vershinin, April 5, 2026
Learn how to automatically convert and serve WebP and AVIF images in NGINX using the ngx_immerse filter module. This module transparently intercepts image responses from any source – static files, proxy_pass, or FastCGI – and converts them to modern formats based on browser support. No URL rewriting, no separate service, no application changes needed.
Read More...How Not to Write an NGINX Module: A WebP Case Study
by Danila Vershinin,
A deep technical analysis of ngx_webp – an NGINX module that converts images to WebP on-the-fly. It works, but violates nearly every principle of NGINX module development. We dissect what went wrong and show how to do it right.
Read More...How to Serve WebP Images Automatically with NGINX: Complete 2026 Guide
by Danila Vershinin, January 19, 2026
Learn how to automatically serve WebP images with NGINX to supporting browsers while falling back to JPEG/PNG for others. Covers content negotiation, the Vary header, on-the-fly conversion with nginx-module-webp, and the PageSpeed module.
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