Three major WordPress plugin vulnerabilities disclosed in early April 2026, Perfmatters (200K sites), Ninja Forms File Upload (50K sites), and MW WP Form (200K sites). What each vulnerability does, whether your site is affected, and the patched version numbers.
Content moderation features add database queries to every page load. This guide covers the performance pitfalls of WordPress community moderation — N+1 queries, uncached block lists, per-item report checks — and how to fix them with proper caching, batching, and schema design.
Learn to cache, block, defer, and tune outgoing WordPress HTTP requests using transients, the pre_http_request filter, timeout configuration, and WP-Cron async patterns.
The WordPress Heartbeat API fires AJAX requests every 15 seconds by default, hammering your server even on pages that don’t need it. Learn to disable it on the frontend, reduce frequency on the editor, and tune autosave intervals using filters and constants – no plugins required.
