Version 1.0.0 of the Performance Lab plugin published

The first stable version 1.0.0 of the Performance Lab pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party has been released. You can download it from the WordPress plugin repository or via GitHub.

The stable release means that the Performance Lab plugin’s infrastructure is now out of betaBeta A pre-release of software that is given out to a large group of users to trial under real conditions. Beta versions have gone through alpha testing in-house and are generally fairly close in look, feel and function to the final product; however, design changes often occur as part of the process. testing stage. The plugin’s primary purpose remains to facilitate beta testing for future WordPress coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress. performance features and enhancements, as outlined in the original plugin announcement post. The initial beta phase for the plugin was primarily to allow the performance team to discover early infrastructure bugs and fix them before the stable launch.

Included modules

The following modules are included in the 1.0.0 release:

  • WebP Uploads: Creates WebP versions for new JPEG image uploads if supported by the server. View related GitHub issues
  • WebP Support: Adds a WebP support check in Site Health status. View related GitHub issues
  • Persistent Object Cache Health Check: Adds a persistent object cache check for sites with non-trivial amounts of data in Site Health status. View related GitHub issues
  • Audit Autoloaded Options (experimental): Adds a check for autoloaded options in Site Health status. View related GitHub issues
  • Audit Enqueued Assets (experimental): Adds a CSSCSS Cascading Style Sheets. and JSJS JavaScript, a web scripting language typically executed in the browser. Often used for advanced user interfaces and behaviors. resource check in Site Health status. View related GitHub issues

Next steps

The performance team is going to continue enhancing the existing modules and evaluating additional modules to add in the future. The cadence and versioning strategy for upcoming releases is currently up for discussion. Please provide your feedback on plugin versioning in this issue if you are interested. There is an ongoing vote in that issue which is open until 2022-05-02 17:00 UTC.


Kudos to all the people that have contributed to and tested the Performance Lab plugin so far and made this first stable release possible! Let’s keep testing and iterating on the individual features to bring each of them closer to an eventual WordPress core merge.

Props to @shetheliving @adamsilverstein @jeffpaul for review and proofreading.

#feature-plugins, #feature-projects, #performance, #performance-lab