Speed Kit

Partytown is a library that helps improve website performance by relocating resource-intensive scripts to a web worker, off the main thread.

Blitz is a static page caching plugin for Craft CMS, designed to significantly improve website loading speeds through intelligent caching mechanisms.

Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.

Cloudflare Rocket Loader is a performance optimization feature that prioritizes content loading by deferring JavaScript execution.

Google Cloud Trace is a distributed tracing system for collecting and analyzing latency data from cloud applications.