Better Website Performance


The Better Website Performance plugin adds advanced features to improve website performance.
Main features include HTML Head optimization, javascript async, CSS concat and inline, resource hints, etc.

Descriptions of features

HTML Head optimization

Manage meta tags and rel=link output by WordPress

Emoji resource

Manage WordPress Emoji features and resources

image srcset

Manage image srcset (Responsive image)

JavaScript async

Asynchronous JavaScript managed by WordPress


Manage jQuery loading

CSS concat and inline

Concating, inlining or minify stylesheets

Custom CSS

Place Custom CSS output by WordPress in the footer.

Resource Hints

Manage resource prefetching


Manage resource prefetching


If you have any trouble, you can use the forums or report bugs.


Small patches and bug reports can be submitted a issue tracker in Github. Forking on Github is another good way. You can send a pull request.

Translating a plugin takes a lot of time, effort, and patience. I really appreciate the hard work from these contributors.

If you have created or updated your own language pack, you can send gettext PO and MO files to author. I can bundle it into plugin.

You can also contribute by answering issues on the forums.

Patches and Bug Fixes

Forking on Github is another good way. You can send a pull request.

  1. Fork Better Website Performance from GitHub repository
  2. Create a feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am ‘Add some feature’
  4. Push to the branch: git push origin my-new-feature
  5. Create new Pull Request

Contribute guidlines

If you would like to contribute, here are some notes and guidlines.

  • All development happens on the main branch, so it is always the most up-to-date
  • If you are going to be submitting a pull request, please submit your pull request to the main branch
  • See about forking and pull requests

Test Matrix

For operation compatibility between PHP version and WordPress version, see below Github Actions.


  1. Download and unzip files. Or install Better Website Performance plugin using the WordPress plugin installer. In that case, skip 2.
  2. Upload “better-website-performance” to the “/wp-content/plugins/” directory.
  3. Activate the plugin through the ‘Plugins’ menu in WordPress.
  4. Access Customizer Panel Performance Settings (Better Website Performance).
  5. Have fun!


There are no reviews for this plugin.

Contributors & Developers

“Better Website Performance” is open source software. The following people have contributed to this plugin.


“Better Website Performance” has been translated into 1 locale. Thank you to the translators for their contributions.

Translate “Better Website Performance” into your language.

Interested in development?

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

Change log


  • update japanese translation
  • update pot
  • tested up to 6.4.1
  • fix workflows
  • phpunit-polyfills bump up
  • improve sanitize_key function for dot
  • remove @charset “UTF-8”; into css


  • add test case
  • add uninstall process
  • add public class property
  • fix test case
  • ci support php version 8.0 later
  • add github actions for deploy to

1.0.1 for review

  • imporve code with phpcs
  • change plugin name to Better Website Performance


  • Initial release