Perfmatters

Perfmatters is a WordPress performance optimization plugin, created by Brian Jackson, that allows you to speed up your website by removing everything that slows it down without touching a single line of code. It is designed for bloggers, online store owners, agencies, and developers looking to improve their PageSpeed Insights scores and provide a smoother browsing experience for their visitors.

The plugin acts as a complete toolbox for fine-tuning WordPress performance. With its quick activation options, you can disable emojis, embeds, dashicons, and other unnecessary scripts that WordPress loads on all pages by default. It also allows you to limit post revisions, adjust the Heartbeat API to reduce CPU usage, and remove jQuery Migrate and other resources you no longer need.

One of its most powerful features is the Script Manager, which lets you disable scripts and styles per page or site-wide, grouped by the plugin or theme that generates them. You can control what loads on each device, differentiate between logged-in users and visitors, and even use regular expressions for granular control. This is especially useful for removing scripts from heavy plugins like contact forms or cart fragments that you don't need on every page.

Perfmatters also includes database optimization to remove old revisions, automatic drafts, spam comments, and expired transients, with the option to schedule automatic cleanups. Its lazy loading system delays the loading of images, videos, and iframes until the user sees them on screen, reducing HTTP requests and improving load times. Additionally, you can preload critical resources like fonts, CSS, and images, and use advanced techniques like DNS prefetching and preconnect.

The plugin allows you to host Google Fonts and Google Analytics locally to reduce external DNS queries, integrate a CDN via URL rewriting, remove unused CSS to improve Largest Contentful Paint (LCP), and change the WordPress login URL to strengthen security against brute force attacks. All from an intuitive panel with one-click toggles, ideal for both beginners and experts.

With over 115 step-by-step documentation articles and direct support from its developers, Perfmatters has become the go-to plugin for those who want to take their WordPress site's performance to the next level, perfectly complementing any cache plugin.