1
EWWW Image Optimizer Included
Free lazy load with auto-scaling and support for CSS background images.
94feature score
WordPress Image Optimization Plugins with Lazy loading
Defers off-screen images. 4 of the 8 plugins we track include it.
2
Smush Included
Lazy loading for images, iframes and background images in the free plugin.
92feature score
3
ShortPixel Image Optimizer Via add-on
Provided by the free ShortPixel Adaptive Images companion plugin.
90feature score
4
Optimole Included
Built-in jQuery-free lazy loading with placeholders and CLS protection.
77feature score