Google’s Custom Search Engine is a tailored search experience, built using Google’s core search technology, that prioritizes or restricts search results based on websites and pages you specify. Your Custom Search Engine can be tailored to reflect your point of view or area of expertise. With a Custom Search Engine, you can:
Once you’ve defined your search engine index, Google will give you a simple piece of code for a search box to place on your site or blog. You’ll then have the option to choose various customization options to make the look and feel and functionality of your search engine your own.
This product competes with Yahoo’s BOSS.