<p>JavaScript is a powerful programming language that creates dynamic, interactive experiences for site visitors. Your ads use JavaScript to run auctions, display creatives, and measure viewability and engagement. But every piece of JavaScript running on your site has a cost.</p> <p>Over time, sites can become bogged down by unnecessary JavaScript, impacting performance and ad revenue.</p> <p>So, how can you make sure your JavaScript isn’t costing you money?</p> <p>In this art