partytown
Partytown is a lazy-loaded library that separates heavily resource consuming third-party scripts from the main thread and carries them to a web worker. This architectural approach allows external scripts to be executed in a separate thread while the performance of the main thread is optimized. The project is currently in beta and aims to prevent scripts that are not on the critical path from engaging the main thread.
partytown
100QwikDev · Analytics & Business Intelligence
Common commercial products in this category: Tableau, Power BI, Looker
- You move third-party scripts that consume resources from the main thread to the web worker.
- You run external scripts that are not on the critical path using a lazy loading method.
- You improve page load performance by relaxing the main thread.
- • NeutralHacker News
Partytown: Run Third-Party Scripts from a Web Worker
“Checking the benchmark, Partytown resuts in 237ms, while Baseline is 7ms. Am I missing anything? The browser APIs are already mostly running on separate threads (JS parsing, compilation, TCP requests, etc.).”
- • NeutralHacker News
Partytown: Run Third-Party Scripts from a Web Worker
“See this JS Party episode for a discussion by Partytown co-author (and Angular creator) at the 50:19 mark, . TL;DR, keep the main thread for your application, send 3rd party analytics, etc, to web workers.”
Verified against README · Oct 25, 2026 · source
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