WooCommerce speed optimization, verified 100/100/100/100

Yes — but not with the Storefront default theme and a typical plugin stack running unmodified. Our live before/after example shows a WooCommerce product page rebuilt to the same 100/100/100/100 mobile standard, with both versions re-testable on live PageSpeed Insights.

Mostly one script: cart-fragments.js, which fires an AJAX request to wc-ajax=get_refreshed_fragments on every single page load — not just cart or checkout — just to keep the mini-cart badge in sync. Add the full Select2 library loaded for a couple of variation dropdowns, WooCommerce core and Blocks CSS shipped whether the page needs them or not, and uncompressed product photography, and a default install rarely gets close to 100.

No — the goal is removing unnecessary blocking work, not removing features. The optimized version still adds to cart, still tracks a running count, and still supports variations; it just handles that with a lightweight, deferred script instead of an AJAX round-trip on every page load and a JS widget library for two dropdowns.

The product page specifically — for an e-commerce store, that's the page that actually needs to convert, and the one most WooCommerce speed guides skip in favor of testing the homepage alone.

On an unoptimized store, a single product page can fire anywhere from 200 to 600 database queries — far more than a typical WordPress blog post, because product pages pull pricing, stock, variations, related products, and reviews in real time rather than serving static cached HTML. Object caching at the query level (not just page-level caching) is what actually addresses this, since cart, checkout, and account pages can't be page-cached at all.

Yes, substantially, though it mainly helps store admins rather than shoppers. HPOS moves order data out of WordPress's generic wp_posts/wp_postmeta tables into dedicated, properly-indexed order tables — stable in WooCommerce core since version 8.2 (October 2023) and on by default for new installs. Industry benchmarks report admin order screens on stores with 10,000+ orders dropping from 3-5 seconds to under 500ms after migration. One catch: HPOS ships with sync-to-legacy-tables enabled by default for safety, which doubles order-write database load until that sync is turned off post-verification.