Start with one audience and one useful page, then choose one traffic source that already reaches those people. A new site rarely needs every channel; it needs a repeatable way to learn which visitors respond.
Useful free traffic usually comes from contributing where your audience already pays attention: search results, specialist communities, social conversations, directories and partnerships. “Free” still costs time, so concentrate on channels you can maintain.
Traffic is only an opportunity. Results depend on visitor intent, message match, trust, usability and the size of the commitment you ask for. A smaller stream of relevant visitors can outperform a much larger stream of casual clicks.
A traffic exchange is a system in which members view other members’ pages to earn views for their own pages. It can create exposure, but the audience is usually there to earn credits, so attention and buying intent may be limited.
They can be useful for testing a headline, gaining initial exposure or reaching other online marketers, but they are not a universal source of customers. Their value depends on audience fit, page design, cost and what you count as success.
Give the right visitor a clear, low-friction reason to continue the relationship. The page should make the benefit, next action and privacy expectation obvious before asking for contact details.