Improve your website’s scrolling performance and PageSpeed Insights score. Learn how to resolve the passive listener warning by adding a simple jQuery polyfill to your WordPress site.
Learn how to use PurgeCSS with Gulp to remove unused CSS from WordPress themes, shrink stylesheet size, and improve front-end performance.
Reduce WordPress theme CSS file size by using PurgeCSS to strip out selectors that are never used on the front end.
How to persist the WordPress object cache with Redis or Memcached, enable the required drop-ins, and use the object cache API in theme and plugin development.
A practical WordPress performance guide using the Avada theme as an example, covering assets, caching, HTTP/2, CDN, and media delivery.
Delay non-critical work in WordPress with asynchronous PHP and WP-Cron to improve user-facing response times.
Delay time-consuming work in WordPress with WP Cron or asynchronous task libraries so users do not have to wait for slow operations to finish.
Use the Cachify plugin with Memcached to cache WordPress pages and improve page load speed.
Configure Cachify with Nginx and Memcached so WordPress can serve cached pages from memory and dramatically reduce page load time.
Understand what Time to First Byte means, what counts as slow, why it gets too long, and how to reduce server response time on WordPress sites.