What are some alternatives?
When comparing Imagify and imgix, you can also consider the following products
Piio - Generates responsive images so you don't have to optimize
Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.
ImageBoss - On-demand content aware image processing API
ImageKit.io - Instant multi-platform image optimization
Optimage - Advanced image optimization tool