If you need to indicate “please wait, something is happening” on a website, a spinner has long been the go-to choice. Probably an animated GIF, although there are other options like CSS animations, apng, SVG, or canvas. James Padolsey goes through each of the possibly options and explains the good and bad as well as introduces a cool new tool.
The State of Spinners
DigitalOcean joining forces with CSS-Tricks! Special welcome offer: get $100 of free credit.