Cloudinary - Cloudinary is a cloud-based service for hosting videos and images designed specifically with the needs of web and mobile developers in mind.
Web Load Speed Test - Test your website load speed from 6 locations at once
Speedy - Speedy lets you perform fast, private and real-world accurate speedtests directly from your Menubar through Apple's servers.
Smaller - Make your websites load faster
Speedtest by Ookla - Measure your ISP's performance in a click
Piio - Generates responsive images so you don't have to optimize