--- title: "Presentations: How I Made Immer Twice as Fast: Performance Optimization in Practice" url: https://daily.dev/posts/presentations-how-i-made-immer-twice-as-fast-performance-optimization-in-practice-vla1apkyt source_url: https://blog.isquaredsoftware.com/2026/03/presentations-immer-perf type: article source: "Mark Erikson" published: 2026-08-06T10:37:18.465Z updated: 2026-08-06T10:39:29.517Z tags: ["javascript", "react", "performance"] reading_time: 3 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Presentations: How I Made Immer Twice as Fast: Performance Optimization in Practice **[Mark Erikson](https://daily.dev/sources/markerikson)** · 3 min read · 0 upvotes · 0 comments ## Summary Mark Erikson shares slides and video from his React Paris 2026 talk on how he doubled the performance of the Immer immutable update library. The talk covers a scientific approach to performance investigation, key profiling and visualization tools, and concrete optimization techniques, using his months-long Immer work as real-world examples. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Presentations: A Guide to React Compiler Rendering](https://daily.dev/posts/presentations-a-guide-to-react-compiler-rendering-m8rl5nmj0) · Mark Erikson · 0 upvotes · 0 comments - [How to Optimize React](https://daily.dev/posts/how-to-optimize-react-smu81m6vm) · freeCodeCamp · 7 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#react](https://daily.dev/tags/react), [#performance](https://daily.dev/tags/performance) [View this post on daily.dev](https://daily.dev/posts/presentations-how-i-made-immer-twice-as-fast-performance-optimization-in-practice-vla1apkyt)