from Theme Development (Wordpress Codex)
- Fix PHP and WordPress errors. Add the following debug setting to your
wp-config.php
file to see deprecated function calls and other WordPress-related errors:define('WP_DEBUG', true);
. See Deprecated Functions Hook for more information. - Check template files against Template File Checklist.
- Do a run-through using the Theme Unit Test.
- Validate HTML and CSS. See Validating a Website.
- Check for JavaScript errors.
- Test in all your target browsers. For example, IE7, IE8, IE9, Safari, Chrome, Opera, and Firefox.
- Clean up any extraneous comments, debug settings, or TODO items.