Using web workers to boost third-party script performance

Partytown is a new library designed to enhance website performance by offloading the execution of intensive third-party scripts from the main thread to web workers. While third-party scripts are integral to modern web applications, they tend to degrade performance due to their size and complexity. Partytown circumvents the limitations of web workers, which cannot directly access the DOM or window object, through techniques like using Proxy objects and synchronous communication methods. Despite its potential, Partytown is still in beta and not yet ready for full production use, as it requires various workarounds and has limitations with certain third-party scripts. Nevertheless, it shows promise in significantly reducing the impact of third-party scripts on the main thread, highlighting a growing need for better optimization of these scripts to improve the efficiency of modern websites.