1. No website is free. 2. Building communities is hard and expensive (for both prospects as well as attracting listings). 3. The alternatives (recruiters) are

1. No website is free. 2. Building communities is hard and expensive (for both prospects as well as attracting listings). 3. The alternatives (recruiters) are really expensive (tens of thousands of dollars for some positions), the relatively small fee of these sites is very reasonable for most companies who are serious about hiring a new candidate. 4. This may sound odd, but companies like to spend money for services. If you have purchasing authority at a company you're more likely to go with a paid alternative even if its only marginally better, bosses are more interested in results than expenses (usually).