Platform Image Specifications & Cheat Sheet
Accurate resolutions, aspect ratios, file size ceilings, and format recommendations for major e-commerce platforms, CMS engines, social networks, and official portal uploads.
| Platform & Use Case | Recommended Dimensions | Max Weight | Recommended Format | Action |
|---|---|---|---|---|
| Shopify Product Hero & Gallery | 2048 × 2048 px (1:1) | < 2 MB (Target < 350 KB) | WebP / JPG | Optimize |
| WordPress Featured Blog Banner | 1200 × 630 px (1.91:1) | < 150 KB | WebP / AVIF | Optimize |
| Etsy Product Listing Thumbnail | 2000 px wide (min) (4:3) | < 1 MB | JPG / PNG | Optimize |
| Discord Custom Emoji & Avatar | 128 × 128 px (1:1) | < 256 KB | PNG (Alpha) / WebP | Optimize |
| Amazon Seller Central Main Product Image | 2000 × 2000 px (1:1) | < 10 MB (Target < 1 MB) | JPEG (Pure White) | Optimize |
| Web & Browser Favicon Tab Icon & Apple Touch | 16×16, 32×32, 48×48 px | < 50 KB | ICO (Multi-layer) / SVG | Convert ICO |
| Government / Passport Portal Official ID & Visa Application | 600 × 600 px (2×2 in) | ≤ 50 KB (Strict limit) | JPEG / JPG | Cap to 50KB |
| Email & Newsletter Klaviyo / Mailchimp Banner | 600 × 800 px | ≤ 100 KB | JPG / WebP | Cap to 100KB |
💡 High DPI & Retina Screens
Always output images at 2x resolution while applying stronger WebP or AVIF compression. A 2x compressed WebP image looks sharper than an uncompressed 1x JPEG at half the file weight.
🎨 sRGB Color Profile Standardization
Mobile cameras (especially iPhones) capture photos in Display P3 wide gamut. OptimizeImage normalizes all images to standard sRGB so your colors render consistently on every computer and screen.
⚡ Core Web Vitals & LCP
Google evaluates Largest Contentful Paint (LCP). Keeping your hero banner under 100KB in WebP format often cuts page load latency in half, directly improving your search rankings.