At Milestone9, we ensure high code quality by adhering to industry standards, including:

  • Envato’s WordPress Theme and Plugin Coding Standards for WordPress projects
  • W3C validation with CSS Lint for HTML and CSS code
  • PHP_CodeSniffer for PHP code
  • WordPress Coding Standards

Our code is modular and extensible, with properly added actions and filters, allowing for easy addition of new functionality through add-ons or child themes.