Flickr - image and video hosting website
Pixpie - Optimize your images and speed up your site on WordPress
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Website Image Speed Test - Beautiful & easy free analysis of the images on your page
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.
OptimizeWP - WordPress speed optimization and maintenance service