What dimensions should I use for a full-screen hero image on my Webflow website?

For a full-screen hero image in Webflow, the ideal dimensions depend on screen size variety and image quality, but you should follow general best practices for responsiveness.

1. Recommended Hero Image Dimensions

• Standard desktop size: Use 1920×1080 pixels as a baseline. This fits most modern desktops and HDTV screens.
• High-resolution screens (Retina/4K displays): If you want crisp look on high-DPI screens, you can go up to 2880×1620 pixels.
• Mobile optimization: Make sure your image also looks good when scaled for smaller widths like 375×667 pixels (iPhone 6/7/8) or 414×896 pixels (iPhone XR/11/12).

2. Image Format and Compression

• Use JPG for photos and PNG/WebP for graphics or transparent images.
• Compress images with tools like TinyPNG, Squoosh, or Webflow’s built-in image optimization to reduce file size and improve load speed.
• Keep image file sizes ideally under 500 KB; the smaller, the better without significant quality loss.

3. Webflow Settings for Full-Screen Hero

• Set the Hero Section’s height to 100vh to make it span the full viewport height.
• Use background-cover in the Background Image settings to ensure the image scales and crops properly.
• Align content using background-position: center to keep the focal point visible.

4. Responsive Behavior

• Use Webflow’s Responsive Preview to check how the image displays on different breakpoints (Desktop, Tablet, Mobile Landscape, Mobile Portrait).
• Consider adding different image versions via CSS background images or picture elements if you want to serve optimized images based on device width.

Summary

Use 1920×1080 pixels as your baseline full-screen hero image in Webflow. Make sure it's optimized, responsive, and scaled using 100vh height and background-size: cover to ensure full-screen visibility across devices.