On-line it's your information or content that attracts the fish. Not all fish are attracted to every kind of bait. Your unique expertise helps define YOUR market and develop it. If you choose your bait correctly, you will actually be able to select which fish you catch as opposed to accepting whatever swims into the net. The pros use every tool they can get.
Professionals use electronic fish finders to find schools of fish.
Your server's logs act like a fish finder. They tell you where the fish are hanging out. Having one page on the Internet, you may only pull in 1 - 10 visitors a day. If you have two pages with different titles, descriptions, and content for the search engines to index, you may double your visitor count. The search engines dangle your bait.