Perfmatters version 2.5.1

Version 2.5.1 of our Perfmatters WordPress plugin was released on September 29, 2025.

Changelog summary

  • Added a fetchpriority high attribute on critically preloaded image tags to match the preload link attribute.
  • Added new buffer function to check the viewport meta tag position and adjust it if needed when critical image preloads are being used.
  • Added logic to populate critical image preload href attribute with the fallback image src if the preload is for a responsive image srcset.
  • Added built-in stylesheet exclusion for GeneratePress offside menu.
  • Updated delay JS quick exclusion for Elementor to include e-gallery.
  • Fixed a PHP warning that could sometimes happen when calculating the root directory path in the Utilities class.
  • Fixed a trailing slash validation warning coming from critical image preload tags.
  • Disabled Remove Comment URLs toggle when Kadence is active due to an incompatibility.
  • Translation updates.

author bio
Brett Jackson

Developer from Vancouver, WA, who loves building web applications. And of course, anything WordPress.

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