We used to be able to add a custom search provider in Internet Explorer to search any site that put search words in the query string (such as in StackExchange sites). The page where that it was done was
However, this page now redirects to a generic IE Gallery page.
When I upgraded from IE8 to IE9, my StackOverflow provider carried over, but I recently reset my browser settings and am not able to get it back.
Can we easily create a custom search provider?