You can sell web traffic on various platforms that connect traffic sellers with advertisers. Some popular options include AdSense, BuySellAds, and PropellerAds. These networks allow you to monetize your website's traffic by displaying ads or selling direct traffic to interested buyers. Other platforms like TrafficPlanet and TrafficForAds also specialize in buying and selling web traffic. Additionally, you can consider selling traffic through affiliate networks like CJ Affiliate and Rakuten Marketing, where you can direct users to specific offers and earn commissions. Always ensure the traffic you sell is high-quality to maintain a good reputation with buyers.