performance

Performance Lab

Performance Lab plugin banner with icon

Monorepo for the WordPress Performance Team, primarily for the Performance Lab plugin, which is a collection of standalone performance features.

Details about the Performance Lab plugin, including instructions for getting started and contributing, are available in the Performance Team Handbook here.

For WordPress and PHP version requirements, please see the CONTRIBUTING.md file here.

The feature plugins which are currently featured by this plugin are:

Plugin Slug Experimental Links
Image Placeholders dominant-color-images No Source, Issues, PRs
Modern Image Formats webp-uploads No Source, Issues, PRs
Performant Translations performant-translations No Source, Issues, PRs
Speculative Loading speculation-rules No Source, Issues, PRs
Embed Optimizer embed-optimizer Yes Source, Issues, PRs
Enhanced Responsive Images auto-sizes Yes Source, Issues, PRs
Image Prioritizer image-prioritizer Yes Source, Issues, PRs
Web Worker Offloading web-worker-offloading Yes Source, Issues, PRs

Note that the plugin names sometimes diverge from the plugin slugs due to scope changes. For example, a plugin’s purpose may change as some of its features are merged into WordPress core.