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
Your product photos in Google Images: what Shopify already sends
What Google reads to understand a product photo, what the Shopify sitemap already sends it, and the one field that decides what it knows.
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SEO
Shopify homepage title: where your site name comes from
What Google shows when someone searches your store, where each line comes from, and where to set it in Shopify. With examples.
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Guides
Optimizing your Shopify store images: where to start
The five jobs of image optimization on Shopify, what the platform already does, and the order that pays off most in your first hour.
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SEO
Empty alt or missing alt: what your image audit actually counts
A tool tells you hundreds of images have no description. Here are the two defects it adds together, and how to tell which one you have.
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Guides
Alt text for a whole Shopify catalogue: where to start
Nine hundred photos, nine hundred alt texts. The order that pays off first, one template per photo type, and the traps specific to catalogues.
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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
Shopify SEO title and meta description: product pages and homepage
Shopify leaves both fields empty and fills them in for you: the product name, the start of the description. Where they live, what to put in them, with examples.
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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.