Performance

Caching fixes LCP. It does nothing for INP, because INP is a JavaScript problem measured after the page has already loaded.

Core Web Vitals are used by Google's ranking systems, but not the way most SEO content claims. Here's what the evidence actually shows.

Stop guessing which plugin is slow. Query Monitor attributes every query, hook and HTTP call to the code responsible. Here's how to read it.

Testing your cached homepage tells you nothing. Here's how to load test the paths that actually break, and why to tell your host first.

Cart, checkout and account pages can't be page-cached, and that's not a bug. Here's where WooCommerce time actually goes and what to fix.

Every WordPress page load queries all autoloaded options at once. Here's how that table quietly bloats, and how to find and fix the offenders.

Fonts sit right at the intersection of LCP and CLS. Here's how font-display, preloading and metric overrides actually behave, and what WordPress gives you.

PHP workers are your real concurrency limit, OPcache is why WordPress isn't slower, and JIT probably won't help. Here's the layer under the plugins.

A fast front end and a sluggish wp-admin is normal, not contradictory. Page caching can't touch the admin, so it exposes your real backend speed.

AVIF and WebP both work in WordPress now, but format choice is rarely the bottleneck. Here's what actually makes image-heavy pages fast.

TTFB isn't one number, it's five stages stacked together. Here's how to find which one is slow before you blame your host.

WordPress recommends PHP 8.3, but 8.3 already lost active support in 2026. Here's the version that actually makes sense for your site.

Learn how to speed up a slow WordPress website with caching, image optimization, database cleanup, PHP upgrades, and hosting fixes.