It is perfectly fine. It's just that name is misleading. Aggregate would mean that it takes search results from multiple engines and combines them. Btw, I don't

It is perfectly fine. It's just that name is misleading. Aggregate would mean that it takes search results from multiple engines and combines them. Btw, I don't know about other browsers but Firefox supports multiple search engines out of the box. You can add new ones from many websites that supports adding and also you can easily search more than one. Just middle-click each one you want.