* [LibreSpeed v6.0.0](https://github.com/librespeed/speedtest) – Lightweight JavaScript internet speed test using XMLHttpRequest and Web Workers, supporting download, upload, ping, jitter, and multiple servers.

* [Partytown v0.13.2](https://github.com/QwikDev/partytown) – Library for relocating resource-intensive third-party scripts to web workers, improving main thread performance.