F4 Improvements


There are a few features that really should be in the WordPress core. F4 Improvements adds a few more features and a lot of improvements and enhancements to your WordPress installation. They improve the performance for your WordPress, make it more secure, add a few useful new features, removes unimportant stuff and ensure better usability. It also adds some improvements for the awesome caching plugin WP Rocket and WooCommerce.


WP Rocket

  • Add action to toggle caching on/off to the WP Rocket admin menu
  • Enable same cache for all users
  • Disable mobile-specific cache (WP Rocket >= 3.16)
  • Remove WP Rocket footprint comment
  • Leave empty lines in .htaccess
  • Ignore additional query strings
  • WooCommerce: Clear product cache on stock change
  • WooCommerce: Disable cart fragments cache


  • Save Save ship_to_different_address
  • Remove Adjacent Links
  • Hide flatrates if free shipping
  • Hide jumping embed loader in backend
  • Set reply to email

Yoast SEO

  • Choose image size for social og images

Front end

  • Remove RSD Link
  • Remove REST Output
  • Remove oEmbed Discovery
  • Remove wlwmanifest Link
  • Remove Shortlinks
  • Remove Adjacent Links
  • Remove Feed Links
  • Remove Generator Tag
  • Remove Emojis
  • Remove oEmbed Assets
  • Remove Gutenberg Assets
  • Remove Global Styles Assets
  • Hide Author Pages
  • Hide Admin Toolbar

Back end

  • Set default color theme for new users
  • Disable WYSIWYG editor for specific post types
  • Disable WYSIWYG media button for specific post types
  • Disable Gutenberg editor for specific post types
  • Keep taxonomy hierarchy in checklist
  • Remove «Welcome to WP!» box from dashbord
  • Remove «Quick Draft» box from dashboard
  • Remove «News and Events» box from dashboard
  • Remove «At a Glance» box from dashboard
  • Remove «Activity» box from dashboard


  • Change JPEG Quality
  • Enable SVG Support
  • Allow image upscaling (to ensure better image sizes handling)
  • Normalize Upload Filename (lowercase, whitespaces, umlauts etc.)
  • Use title as alt attribute on upload
  • Disable scaling for big image sizes
  • Remove specific default image sizes


  • Disable Core Update Email
  • Skip default plugins and themes on update
  • Disable XML-RPC
  • Disable Theme Editor
  • Set phpmailer return path
  • Disable admin email check

Features overview

  • Improvements and enhancements for frontend, backend, media and wordpress core
  • Easy to use
  • Lightweight and optimized
  • 100% free!

Planned features

  • Add more useful WordPress improvements
  • Polylang improvements
  • WooCommerce improvements


  • Front end improvements
  • Back end improvements
  • Media improvements
  • System improvements
  • WP Rocket improvements
  • WooCommerce improvements


  1. Upload the plugin files to the /wp-content/plugins/f4-improvements directory, or install the plugin through the WordPress plugins screen directly
  2. Activate the plugin through the ‹Plugins› screen in WordPress
  3. Use the Settings -> Improvements screen to configure the plugin


Is it really free?

Yes, absolutely!


There are no reviews for this plugin.

Contributors & Developers

“F4 Improvements” is open source software. The following people have contributed to this plugin.


“F4 Improvements” has been translated into 3 locales. Thank you to the translators for their contributions.

Translate “F4 Improvements” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Add option to disable mobile-specific cache for WP Rocket
  • Support WooCommerce 8.9


  • Support WooCommerce 8.7
  • Support WordPress 6.5


  • Fix possible XSS vulnerability
  • Support WooCommerce 8.6
  • Support WordPress 6.4


  • Add option to disable admin email check
  • Declare custom_order_tables compatibility
  • Support WooCommerce 8.1
  • Support WordPress 6.3


  • Optimize for PHP 8.1
  • Support WooCommerce 7.4


  • Support WooCommerce 7.1
  • Support WordPress 6.1


  • Update www.f4dev.ch links
  • Support WooCommerce 6.8


  • Add option to remove global styles from the front end
  • Support WooCommerce 6.6


  • Support WordPress 6.0


  • Fix bug with Yoast SEO
  • Remove trailing php tags


  • Support WordPress 5.9


  • Add Yoast SEO module and og image size option
  • Support WooCommerce 6.1


  • Add option to disable scaling for big image sizes
  • Support WordPress 5.8


  • Add option to skip default plugins and themes on update
  • Add option to hide jumping embed loader in backend
  • Support WooCommerce 5.1


  • Support WordPress 5.7


  • Support WordPress 5.6


  • WP Rocket: Don’t generate and flush critical css if cache is disabled


  • Add WooCommerce improvements
  • Add new «Modern» color theme to theme selection
  • Remove all default values for new installations
  • System: Add option to set phpmailer return path


  • Update hook priority for rocket_remove_empty_lines
  • Support WordPress 5.5


  • Add WP Rocket improvements
  • Rework load and init hooks


  • Add option to set alt attribute to title on upload
  • Add option to keep taxonomy hierarchy in checklist
  • Remove option to normalize attachment titles
  • Update default values
  • Update german translations


  • Initial stable release