Our Shopify image optimization (Shopify image optimisation if you spell it the UK way) cuts the size of every image without making it look worse. Images typically account for 60–80% of page weight on Shopify stores. We compress, resize and convert all your images to modern formats — dramatically reducing load times without any visible quality loss.
Images are usually the heaviest part of a page. We fix them in four steps:
Every image checked for size, format and how it is loaded.
Originals compressed without visible quality loss.
Images served at the size each screen needs.
File names and alt text that help Google understand them.
Shopify's image CDN can serve modern formats like WebP automatically to browsers that support them, but only when the theme uses Shopify's image filters and responsive sizes. Many themes and apps skip that.
| Image | Recommended upload | Served size |
|---|---|---|
| Product images | 2048 x 2048 px, square | Matched to the screen, usually 400–1000 px wide |
| Hero banners | 2400–3000 px wide | Responsive set, loaded first |
| Collection images | 1200–2000 px | Responsive set, lazy loaded |
For variant images, Shopify variant-specific product images should be compressed the same way, as they load when shoppers switch options. Faster images help you speed up Shopify site pages, and they are often the quickest answer to how to improve Shopify store speed and overall Shopify site speed.
Optimizing your images for SEO helps them show up in Google Images and helps product pages rank. Google image SEO best practices are simple:
This is how to optimize images for SEO without slowing the page. Image SEO best practices from Google also favor fast-loading pages, which is why we do both together. For the rest of your speed work, see Shopify speed optimization.
Priced by the number of images and templates. We quote a fixed price after a short call.
Custom scope? Request a bespoke quote — we'll scope it exactly to your needs.
Tell us about your store. We reply within 24 hours with a tailored proposal.
WebP is the current best practice — 25–35% smaller than JPEG at the same visual quality. Shopify's CDN now serves WebP automatically if your theme requests it correctly. We ensure your theme is set up to take advantage of this.
Not visibly. We use lossless or near-lossless compression that removes unnecessary metadata and optimizes encoding without impacting the visual output.
We work through your entire media library. Stores with large catalogs (1,000+ products) may require a phased approach.
We focus on static images in this service. Video optimization (compression, lazy loading, poster image setup) can be added as an extension.
No. The changes are applied within your Shopify store's theme layer. Your source images in the media library remain unchanged.
Compress images before uploading, or use an image app, and make sure your theme uses Shopify's image filters so the CDN serves the right size.
Shopify's image CDN serves WebP to supported browsers when the theme requests images through Shopify's image filters.
Shopify recommends 2048 x 2048 pixels for square product images. The CDN then serves smaller versions to smaller screens.