Growing rings AJAX GIF, SVG & APNG

Several rings appearing and disappearing in turn. The rings appear as if growing from nothing to a whole ring. They are placed one inside another and appear in turn and then disappear in the same way. It reminds of the famous Imgur pre-loader. A great animated loading GIF image that will definitely make users say COOL when they see this animation that will indicate loading process on your web-site or app.