A shopper landing on a small, unfamiliar Etsy shop for the first time isn't consciously running through a checklist, but their brain is doing a fast, mostly unconscious trust evaluation based on a handful of specific, checkable signals — and small shops that get these right convert noticeably better than ones that don't, independent of how good the actual product is.
Review count and content matter more than star rating alone. A shop with 40 reviews averaging 4.8 stars often reads as more trustworthy than one with 3 reviews all at 5 stars, because a small handful of reviews feels statistically fragile to a skeptical shopper, even if they can't articulate why. Reading a couple of the actual review texts, not just the star count, is also a common behavior — reviews that mention specific, concrete details (fit, print quality, shipping speed) read as more genuine than generic "great product!" one-liners.
Shop photos being consistent in quality and style across the whole storefront, not just one polished hero listing surrounded by inconsistent others, signals an active, considered shop rather than a one-off. A shopper browsing past your main listing to check a few others is a completely normal part of the trust-evaluation process, and a scattered, inconsistent catalog undermines confidence built by the one good listing they clicked into.
Response time and tone in your shop's policies and about section matter more than people expect from a page most shoppers only skim. A shop with clear, human-sounding shipping and return policies feels safer to buy from than one with either no policy information at all or an overly legalistic, cold-sounding copy-pasted template.
Lastly, and this one's easy to overlook: how recently the shop has been active. A shop with its most recent listing dated eight months ago, even with decent reviews, can read as possibly abandoned — regular new listings or updates, visible through "recently added" sorting, signal an active, currently-reliable shop rather than one that might not actually ship or respond anymore.