Ad networks are platforms that connect advertisers with website owners who want to display ads on their sites. Advertisers pay the ad network, and the network pays the website owner a portion of that payment for each ad displayed or clicked on by visitors. To make money through display ads, you need to follow these steps:

1. Choose an Ad Network: Select a reputable ad network that suits your website’s niche and target audience. Popular ad networks include Google AdSense, Media.net, and Taboola.

2. Sign Up: Create an account with your chosen ad network. Fill out the necessary information about your website, such as its URL, category, and traffic statistics.

3. Get Approved: The ad network will review your website to ensure it meets their policies and quality standards. Once approved, you can proceed to the next step.

4. Generate Ad Code: The ad network will provide you with ad code snippets that you need to insert into your website’s HTML code. These snippets will display the ads on your site.

5. Optimize Ad Placement: Experiment with different ad placements on your website to find the most effective positions that generate the highest revenue. Common ad placements include above the fold, sidebar, and within the content.

6. Drive Traffic: Increase your website’s traffic through various means like SEO, social media marketing, content creation, and advertising. The higher the number of visitors, the more potential ad impressions and clicks you can generate.

7. Monitor Performance: Regularly check your ad network’s dashboard to track your earnings, impressions, clicks, and other performance metrics. Analyze this data to identify opportunities for improvement.

8. Optimize Ad Types: Test different ad formats, such as banner ads, text ads, and native ads, to see which ones resonate best with your audience and generate the most revenue.

9. Focus on User Experience: Maintain a balance between ad revenue and user experience. Avoid excessive ad placements that may annoy or deter visitors from accessing your content.

10. Explore Additional Monetization Methods: Besides display ads, consider diversifying your revenue streams by exploring other monetization methods such as affiliate marketing, sponsored content, or selling your own products/services.

Remember that making money through display ads requires consistent effort and optimization. It may take time to build a steady income, but with continuous improvement and a growing audience, your earnings can increase over time.