Google's Page Experience update incorporating Core Web Vitals finished rolling out last month.
WebsiteBuilderExpert looked into how 7 popular ecommerce platforms fared against the Page Experience/CWV criteria. Their research covered 3,000+ sites on 7 plaforms and is presented in the infographic below.
Website builders are easy to use, but by their nature less customizable. As well as outlining strengths and weaknesses infographic has a checklist of 10 ways to optimize for Core Web Vitals, when running your site via a website builder.