Compress Images for websites
Web image optimization is one of the highest-impact improvements for site speed, Google Core Web Vitals scores, and organic SEO rankings. Use ImageSmith to compress your websites images before sending — free, instant, and entirely in your browser. No account needed, no watermarks, no ads. Target under 200KB for best results on websites.
Max size
200 KB
Format
WebP
Size
Match display dimensions — use responsive images with srcset
- 1Target under 200KB for hero/banner images, under 100KB for thumbnails
- 2Use WebP or AVIF for the best compression-to-quality ratio
- 3Implement lazy loading: add loading="lazy" to non-critical images
- 4Use Next.js Image component or similar for automatic optimization