The PixelUnik blog
Images, performance and SEO for Shopify merchants. Verifiable methods, not promises.
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Guides
What size should your Shopify product images be
Shopify resizes your images on the fly, but only from the file you upload. Here is the dimension to aim for, and why uploading bigger helps nobody.
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SEO
The filename of your Shopify product images
Shopify has no way to rename an image once it is uploaded, and a renamed image gets no redirect. What is worth fixing, and what is not.
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SEO
SEO title and meta description on a Shopify product page
Shopify does not fill these two fields for you, so Google writes the snippet instead. Where to find them, what to put in them, and how to check your store in one minute.
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Guides
WebP, JPEG or PNG: which one for Shopify
Three formats, three uses that do not overlap. The wrong pick doubles a product page weight without anyone noticing.
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SEO
Writing alt text that helps shoppers and search engines
Alt text exists first for people who cannot see the image. Search benefit follows. Doing it backwards produces keyword stuffing.
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Measure your own images
The free audit reads your store and gives you the real weight of your product images, with nothing to install.