The next step is to give it a keyword -- a unique name for that bookmark. Firefox unfortunately doesn't let you set keywords in the Bookmark this page dialog, though extensions like Openbook can give you a smarter bookmarking dialog. Save the bookmark then call up Bookmarks->Organize Bookmarks. Find the bookmark you just set, and click on the More button. Pick a nice short keyword that's easy to type, like "yahoo".

Setting a keyword gives the bookmark a useful property: if you type that keyword in the URLbar and hit return, Firefox will go straight to that bookmark. If you're a commandline user, that's already a win -- it's easier for some of us to remember a word like "yahoo" than to navigate a bunch of hierarchical bookmarks menus.

Now comes the important part. Replace the term you searched for, banana, with %s in the Location field (figure 1). Go ahead and dismiss the dialog -- you're done with it.

The magic "%s" tells Firefox, "Replace me with a string supplied by the user." You'll supply it by typing it in the URLbar. Try it now. Go to the URLbar -- Control-L is a handy shortcut that takes you there and highlights whatever's there so you can replace it, but doesn't overwrite your X selection in case you want to paste. Type yahoo bookmarklets and hit return. Firefox should take you straight to the Yahoo's search results page for "bookmarklets": http://search.yahoo.com/search?p=bookmarklets. Neat! It even works for multiple search terms and quoted strings.

You can use the Keywords trick to set up bookmarklets for all sorts of different searches, like Google Images at http://images.google.com/images?q=%s, Google Maps at http://maps.google.com/maps?q=%s, and Wikipedia at http://en.wikipedia.org/w/wiki.phtml?search=%s. Getting the Wikipedia search URL is a little tricky, since their search redirects you to a wiki page, not a search results page. Sometimes you have to poke through View->Page Source, or ask around to see if anyone else has already figured out a query.

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