WooCommerce Speed Checklist (WPForge-oriented)

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WooCommerce Speed Checklist (WPForge-oriented)

A field checklist for WordPress / WooCommerce storefronts that feel slow on catalog, product, and cart pages. Measure first, change one thing, then measure again.

1. Baseline
- Capture TTFB, LCP, and INP on home, one product page, and the cart.
- Test cold and warm cache with a catalog that looks like production (images, variations, a few plugins).
- Keep the same device profile so numbers stay comparable.

2. PHP and hosting
- Run a current PHP 8.x with OPcache enabled.
- Prefer Redis (or an equivalent) as the object cache so sessions and transients are not all hitting MySQL.
- Do not fire wp-cron on every front-end hit during a sale; a system cron is steadier.

3. Theme and assets
- Keep a single layout system. Two builders on one store usually means two copies of CSS and JS.
- Dequeue WooCommerce assets on pages that are not shop, product, cart, or checkout.
- Prefer a system font stack, or one subset webfont. Icon fonts loaded sitewide for a few glyphs add needless requests.

4. Images
- Give the hero and the first product photo explicit width and height; do not lazy-load the LCP image.
- Generate only the thumbnail sizes the theme actually prints.
- Serve a modern format when the host or CDN can do it without a second rewrite plugin.

5. Plugins and cart
- List every script that prints on all pages (reviews, chat, currency, analytics) and drop what the template does not need.
- The mini-cart fragment request (wc-ajax=get_refreshed_fragments) bypasses page cache. If the header cart does not have to be live, that call is optional cost.
- Load payment and shipping SDKs on checkout only.

6. Cache
- Full-page cache anonymous catalog HTML.
- Exclude cart, checkout, my-account, and any URL that embeds a nonce or a personalized price.
- Do not let a geo banner or a logged-in admin bar get stored in the public cache.

7. Data
- Purge expired transients and old sessions on a schedule.
- If layered nav is slow, confirm product attribute lookups are indexed before adding another filter plugin.

After each change, recheck the same three URLs. Keep the change only if add-to-cart, variation selection, and checkout still work.

Notes for this stack live at https://shopaiwp.com

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