Plugin Directory

Slimify

Miro Sedlacek

Local JPEG and PNG compression with optional WebP siblings. No remote API.

M7tawa Local Image Optimizer with WebP & AVIF

Ayman Abdullah

Lightweight, privacy-first image optimization at upload time with local WebP conversion, AVIF-aware handling, and no external service.

Block Styles

Joost de Valk

Change the way styles for blocks get loaded, optimize your site's performance and sustainability!

CodePros Image Optimizer

codeprosai

Convert and optimize your WordPress images to WebP format for faster page loads and better performance.

Builder Critical CSS Tools

Todd W Carter

Tools to clear builder CSS caches and manage Critical CSS workflows on builder-based themes (including Divi).

HoatzinMedia — Media Cleaner & Storage Optimizer

Hoatzinlabs

Smart media cleaner: detect unused files, duplicates and large attachments; optimize storage safely.

VidDefer – Deferred Video Embeds

Kushang Tailor

Automatically lazy load YouTube, Vimeo, and self-hosted videos to dramatically boost page speed and Core Web Vitals.

MigraMetrics: Site Speed Comparator

Bussa Prachuth Kumar

Compares PageSpeed Insights metrics between old and new site URLs seamlessly within your WordPress dashboard.

StripBoard

G Matta

Simply disable unwanted WordPress features from one settings board.

Turbopress Database Diagnostics

robbsie

Shows why WordPress loads slowly: autoload size with the plugin responsible, database bloat, and the state of object cache and OPcache.

Velomize – Speed Optimizer, Cache & Image Optimization

octonomus

Speed up WordPress with safe caching, CSS/JS optimization, WebP/AVIF images, Core Web Vitals audits and smooth scrolling.