As of my knowledge cutoff in September 2021, some of the top advertising networks and companies that specialize in monetizing search engine traffic are:
1. Google AdSense: Google AdSense is one of the most popular and widely used advertising networks for website monetization. It offers various ad formats, including text, display, and video ads, and it integrates with Google’s search engine.
2. Media.net: Media.net is a contextual ad network that powers the Yahoo! Bing Network. It provides targeted ads based on the content of your website and offers different ad formats and customization options.
3. Amazon Advertising: Amazon Advertising offers various advertising solutions, including sponsored products, sponsored brands, and display ads. If you have a website focused on product reviews or e-commerce, Amazon Advertising can be a good option.
4. AdThrive: AdThrive is an ad management service that focuses on providing high-quality ads and optimizing revenue for publishers. They offer header bidding, video ads, and other monetization options.
5. Ezoic: Ezoic is an AI-driven platform that helps publishers optimize their website layouts, ad placements, and ad sizes to maximize revenue. They use machine learning to automatically test different configurations and deliver the best-performing ads.
6. Sovrn (formerly VigLink): Sovrn is a content-driven advertising network that specializes in affiliate marketing. It automatically converts product links into affiliate links, allowing you to earn commission from sales generated through your website.
7. Infolinks: Infolinks offers in-text, in-frame, and in-tag ad formats that are designed to blend with the content of your website. They provide non-intrusive advertising options and offer various customization features.
8. PropellerAds: PropellerAds is a global advertising network that offers a wide range of ad formats, including pop-unders, push notifications, native ads, and interstitials. They have a self-serve platform and offer competitive payouts.
Remember to conduct your own research and review the latest information to ensure that the companies listed above are still the best options for search engine monetization, as the industry can change over time.