What are some alternatives?
When comparing WP Smush and tiny.pictures, you can also consider the following products
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.
Yoast Plugins - Yoast offers plugins to improve SEO and optimize web sites and blogs.
Bynder - Bynder is a cloud-based solution for marketing professionals looking to simplify how they manage digital content via one central portal.
ImageOptim - Faster web pages and apps.
imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.