I just came across a Mozilla::Developer page that teaches how to let visitors on a site easily add that site’s search function into their browsers as a plugin.
If you are reading this in my blog and you select your browser’s search tool, this is what you’ll see:
You’ll get the option to permanently add my blog’s search function to your browser. If you select it, you’ll have this:
To make it, I followed the instructions on the first link and created my OpenSearch description file. Look! Technorati, Microsoft, and many others have OpenSearch-enabled websites.
OOh, I know a site that needs this badly. I had no idea you could do it, though- thanks for the pointer, Avi.