Dan Moren writing for Six Colors:

Safari Keyword Search is a little tool that allows you to define shortcuts for searching specific sites. For example, you could type “imdb George Clooney” to be taken directly to the IMDb search results for George Clooney, or “w iPhone 13” to go straight to the Wikipedia page for the iPhone 13. You can also define your own shortcuts, so, for example, I’ve defined “sc” as a Google search limited to sixcolors.com, which helps me quickly turn up articles here…

On iOS 15, Mobile Safari supports web extensions. That means this free and awesome tool is now available on the go, where it shortcuts are even more useful.