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Partytown: Offload Third-Party Scripts to Web Workers for Performance
Partytown is a lazy-loaded library designed to improve website performance by relocating resource-intensive third-party scripts from the main thread into a web worker. This approach dedicates the main thread to your application's critical code, significantly enhancing Core Web Vitals and overall user experience. It aims to speed up sites by preventing third-party scripts from competing for main thread resources.
Remote DOM: Isolate UI Rendering with Sandboxed JavaScript Environments
Remote DOM, developed by Shopify, enables rendering DOM elements created in a sandboxed JavaScript environment directly to the main DOM. This allows for isolating potentially untrusted code off the main thread, while still providing a controlled set of UI elements to the main page. It facilitates synchronizing UI between environments like iframes or Web Workers and the top-level page, supporting various JavaScript frameworks for flexible and performant web applications.