Everything we have written about page speed.
Apps are the most common reason Shopify stores slow down. Here's how to audit apps, remove leftover code, fix images and scripts, and measure results with free tools.
A practical checklist for picking a Shopify theme that loads fast, works on phones, shows products well and stays accessible, plus how to test it before you pay.
LCP, INP and CLS in plain English: what each Core Web Vital measures, the passing thresholds, how to test your site, and the fixes that solve most problems.