What 3,200 Browser Image Encodes Taught Me About WASM, Workers, and Memory

A production case study in browser image optimization: decoded memory, codec-aware worker limits, staged upscaling, iOS WebKit crashes, and safe failure design.

24 min read advanced Tutorial

Published

AUG 2026

Before you read this This article builds on the following topics

Batch-Processing Dozens of Images in Parallel Add a hardware-bounded Worker Pool to batch-process images with per-item gallery and preview drill-down.

34 min
Four-Layer Strategy Four-layer testing strategy for image pipelines: Vitest, Playwright, visual regression, and Lighthouse CI performance budgets.

18 min

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