Most online stores lose customers before the product page loads. Not because of speed. Because of design. A cluttered homepage, mismatched colours, or a logo that looks like it was made in PowerPoint signals "amateur" before a single product is evaluated.
The most common mistake is picking a store template first and trying to make a brand fit inside it. Work in the opposite direction. Define your brand identity (colours, fonts, personality, logo) and then apply it to whatever platform you choose. That way, the store feels intentional rather than generic.
AI brand platforms like SiteBuilder.me take this approach by default: identity first, website and store second. Everything generated shares the same visual DNA.
The stores with the highest conversion rates share one trait: restraint. Fewer menu items. Fewer banners. Fewer font sizes. If everything is highlighted, nothing is.