#website-images
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
Square Online Image Size (2026): Product Photos, Files and Banners
Square's recommended 2000x2000 square item images, accepted formats and the 15 MB limit, how images sync with the POS, banner guidance and a consistent photo workflow.
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Big Cartel Image Size (2026): Product Photos, Theme Banners and Plan Limits
What Big Cartel's help center says about product image size, the 10 MB limit, images shown per plan, and header, logo and slideshow sizes for each theme.
BigCommerce Product Image Size (2026): 1280×1280, 8 MB Limit and Variant Images
The official 1280×1280 size, the 8 MB limit, 1,000 images per product, variant images, formats and how to standardise a mixed supplier catalog.
Wix Product Image Size (2026): 3000×3000, Aspect Ratios and Cropping Fixes
Wix's official 3000×3000 recommendation, the seven accepted ratios, why galleries crop images, video specs, and how to bring small photos up to size.
Favicon Size (2026): Every Size, File Name and HTML Tag You Need
Every favicon size and where it's used, Google Search's current requirements, ICO vs PNG vs SVG, and a table of file names and HTML tags to copy.
What Is Pixel Ratio? Device Pixel Ratio, Pixel Aspect Ratio and Image Sizes (2026)
What device pixel ratio and pixel aspect ratio mean, how they differ from aspect ratio, and how wide to export product images for 1x, 2x and 3x screens with srcset.
16:9 Aspect Ratio (2026): Resolutions in Pixels, from 720p to 4K and 8K
Every common 16:9 resolution from 640x360 to 8K, where sellers need widescreen images, how to calculate 16:9 sizes and how to turn a square product photo into 16:9.
WooCommerce Product Image Size (2026): Settings, Thumbnails and Fixes
What size to upload, the three image sizes WooCommerce creates, where the Product Images settings live, which cropping option to pick and how to fix blurry thumbnails.
Squarespace Image Size Guide (2026): Products, Banners and Limits
Squarespace's official image numbers in one place: widths, file limits and formats, plus product image aspect ratios, banner cropping, logos and favicons.
Best Image Size for Website (2026): Hero, Blog, Product and Logo Sizes
Recommended pixel sizes and file sizes for every website image, from hero banners to favicons, plus formats, responsive images and how images affect page speed.
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