{"id":10117,"date":"2025-12-08T17:55:00","date_gmt":"2025-12-08T12:25:00","guid":{"rendered":"http:\/\/www.www.adpushup.com\/blog\/?p=10117"},"modified":"2025-12-09T15:08:52","modified_gmt":"2025-12-09T09:38:52","slug":"what-is-supply-side-platform","status":"publish","type":"post","link":"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/","title":{"rendered":"What Is a Supply Side Platform? The Publisher Advantage to Better Fill and Better Bids","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"\n<p>True ad revenue growth comes from a combination of strong demand partners, effective ad formats, and the right technology that can automatically manage, sell and optimize your ad space and maximise your revenue. And that technology is an <a href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/\" target=\"_blank\" rel=\"noreferrer noopener\">SSP (Supply Side Platform)<\/a>.<\/p>\n\n\n\n<p>With over <a href=\"https:\/\/www.emarketer.com\/learningcenter\/guides\/programmatic-digital-display-ad-spending\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">90% of digital ad spend<\/a> flowing through programmatic channels, success depends on how effectively publishers manage supply paths. Therefore, if publishers work with diversified SSP stacks, they can see <a href=\"https:\/\/pubscale.com\/blog\/best-ssps-supply-side-platforms?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">30-50%<\/a> more revenue consistency.<\/p>\n\n\n\n<p>Understanding SSPs is no longer optional, because the supply path is now a direct revenue advantage that every publisher needs. So, let\u2019s explore what supply-side platforms are? Who uses them? And how do they work? Here\u2019s everything you need to know.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-flat ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents:<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#What_is_a_Supply_Side_Platform\" >What is a Supply Side Platform?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#How_Does_a_Supply_Side_Platform_Work\" >How Does a Supply Side Platform Work?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#Supply_Side_Platform_SSP_vs_Demand-side_Platform_DSP\" >Supply Side Platform (SSP) vs Demand-side Platform (DSP)<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#How_does_an_SSP_Assist_in_Ad_Space_Selling_Functions_of_an_SSP\" >How does an SSP Assist in Ad Space Selling? (Functions of an SSP)<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#What_are_the_Main_Components_of_a_Supply-side_Platform\" >What are the Main Components of a Supply-side Platform?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#What_To_Consider_When_Choosing_a_Supply_Side_Platform\" >What To Consider When Choosing a Supply Side Platform?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#5_Best_Supply_Side_Platforms_in_2025\" >5 Best Supply Side Platforms in 2025<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#What_Are_the_Main_Features_of_a_Supply_Side_Platform\" >What Are the Main Features of a Supply Side Platform?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#What_are_the_Benefits_of_Using_a_Supply-side_Platform\" >What are the Benefits of Using a Supply-side Platform?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"has-background\" style=\"background-color:#fff1f5\"><li>SSPs in advertising eliminate manual selling, streamline workflows, and optimize bidding automatically, allowing publishers to focus on growth strategies instead of managing multiple demand sources.<\/li><li>Publishers can set floor prices, block unwanted advertisers, and manage ad formats while ensuring better brand alignment, consistent revenue, and premium audience experiences.<\/li><li>By integrating multiple DSPs, ad exchanges, and networks, SSPs reduce overreliance on a single demand source, keeping fill rates and CPMs consistently high.<\/li><li>With real-time reporting and audience analytics, SSPs give publishers visibility into ad performance, helping them make smarter inventory decisions and continuously improve yield.<\/li><li>Custom SSPs allow publishers to design technology that supports innovative ad formats, privacy compliance, and scalable growth without third-party constraints.<\/li><\/ol>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Supply_Side_Platform\"><\/span>What is a Supply Side Platform?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A supply-side platform is a technology used by publishers in <a href=\"https:\/\/www.adpushup.com\/blog\/programmatic-advertising\/\" target=\"_blank\" rel=\"noreferrer noopener\">programmatic advertising<\/a> to sell their ad impressions or ad space.&nbsp;<\/p>\n\n\n\n<p>An SSP connects publishers with multiple <a href=\"https:\/\/www.adpushup.com\/blog\/what-is-demand-side-platform\/\" target=\"_blank\" rel=\"noreferrer noopener\">demand-side platforms<\/a>, ad exchanges, and ad networks all at once. This allows them to access a wider range of advertisers and participate in <a href=\"https:\/\/www.adpushup.com\/blog\/the-ultimate-guide-to-real-time-bidding\/\" target=\"_blank\" rel=\"noreferrer noopener\">real-time bidding (RTB)<\/a> to sell their ad space.&nbsp;<\/p>\n\n\n\n<p>SSP helps publishers to secure more accurate or maximum value for their <a href=\"https:\/\/www.adpushup.com\/blog\/ad-impressions\" target=\"_blank\" rel=\"noreferrer noopener\">ad impressions<\/a> by increasing competition among advertisers and establishing <a href=\"https:\/\/www.adpushup.com\/blog\/what-is-floor-price\/\" target=\"_blank\" rel=\"noreferrer noopener\">floor pricing<\/a>.&nbsp;<\/p>\n\n\n\n<p>Now that we\u2019ve covered what a Supply Side Platform (SSP) is, let\u2019s take a closer look at how it actually works.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"How_Does_a_Supply_Side_Platform_Work\"><\/span>How Does a Supply Side Platform Work?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Just like with every AdStack, it starts with a code: The SSP provides publishers with a code that they embed within their website\u2019s source code. This integration opens up the <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/ad-inventory-management-tips\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">inventory<\/span><\/a><span style=\"font-weight: 400;\"> to SSPs and gives it access to the ad units.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">1. Whenever there\u2019s a visitor to the website, the SSP issues ad requests to multiple <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/the-best-ad-networks-for-publishers\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">ad networks<\/span><\/a><span style=\"font-weight: 400;\">, ad exchanges, and DSPs simultaneously.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">2. Advertisers bid on the impression. Based on the ad unit\u2019s parameters and advertisers\u2019 requirements, the SSP selects the best ad at the highest bid.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">3. The <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/the-ultimate-guide-to-ad-servers\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">ad server<\/span><\/a><span style=\"font-weight: 400;\"> then compares the bid with other <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/explainer-the-four-types-of-programmatic-deals\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">programmatic deals<\/span><\/a><span style=\"font-weight: 400;\"> that the publisher might have and selects the highest bid.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">The underlying principle of SSP is the economics of supply and demand. By increasing the demand pool for a publisher\u2019s ad inventory, SSPs increase the value of the publisher\u2019s ad inventory. For this reason, SSPs are also sometimes called \u201c<\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/yield-optimization\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">yield-optimization<\/span><\/a><span style=\"font-weight: 400;\"> platforms\u201d.<\/span><\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Supply_Side_Platform_SSP_vs_Demand-side_Platform_DSP\"><\/span>Supply Side Platform (SSP) vs Demand-side Platform (DSP)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A Supply Side Platform (SSP) and a Demand-Side Platform (DSP) sit on opposite ends of the programmatic advertising, but they work together to complete every impression that gets bought or sold in real time.&nbsp;<\/p>\n\n\n\n<p>An SSP (supply side platform) is built for publishers. It helps in managing, selling, and optimizing ad inventory while creating the most competitive demand possible to maximize the publisher\u2019s ad revenue.&nbsp; Through tools like floor price controls, auction logic, and detailed filtering, an SSP ensures each impression finds its highest-value buyer. Therefore, its main goal is to maximize yield and maintain strong demand quality.<\/p>\n\n\n\n<p>A DSP (Demand side platform), in contrast, is built for advertisers. It gives brands, agencies, and trading desks a single interface where they can target specific audiences, analyze bidding opportunities across multiple exchanges, and decide which impressions to buy at what price and in what context. Finally, completing its main goal to find the right user at the right time for the best possible<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"How_does_an_SSP_Assist_in_Ad_Space_Selling_Functions_of_an_SSP\"><\/span>How does an SSP Assist in Ad Space Selling? (Functions of an SSP)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Programmatic advertising has automated the buying and selling of ad space, introducing new efficiencies and complexities for publishers. Supply-side platforms (SSPs) step in as key allies for publishers by helping them manage their ad inventory and maximize revenue in this fast-moving environment.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Here\u2019s how SSPs bring value to publishers:<\/span><\/p>\n\n\n\n<h3>1. Frequency Capping<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">SSPs and DSPs work together to limit the number of times a visitor sees an ad. It records the <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/frequency-capping\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">frequency<\/span><\/a><span style=\"font-weight: 400;\"> at which an ad is shown to a user and caps it to negate ad fatigue.<\/span><\/p>\n\n\n\n<h3>2. Supply Path Optimization<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">SSPs assist publishers in identifying the best <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/header-bidding-partners\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">demand sources<\/span><\/a><span style=\"font-weight: 400;\"> for their needs, taking into account criteria such as latency, unique demand, bid pricing, and ad space availability.<\/span><\/p>\n\n\n\n<h3>3. Real-time Bidding (RTB) Enablement<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">SSPs enable inventory to be sold in <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/the-ultimate-guide-to-real-time-bidding\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">real-time<\/span><\/a><span style=\"font-weight: 400;\"> auctions by making it accessible to a large number of demand-side platforms, networks, and ad exchanges.&nbsp;<\/span><\/p>\n\n\n\n<h3>4. Automation<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">SSPs decrease publishers&#8217; manual efforts by automating most of the processes like bidding, <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/best-ad-placement-strategies-on-your-website\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">ad placements<\/span><\/a><span style=\"font-weight: 400;\">, and reporting. This efficiency allows publishers to focus on strategy while maximizing ad revenue.&nbsp;<\/span><\/p>\n\n\n\n<h3>5. Smarter Inventory Management<\/h3>\n\n\n\n<p>SSPs enable publishers to manage how their inventory is sold by setting parameters like floor prices, ad formats, and preferred advertisers. They also provide detailed performance tracking, monitoring impressions, clicks, and revenue to help publishers make data-driven decisions.&nbsp;<\/p>\n\n\n\n<p>Using algorithms and historical data, SSPs continuously optimize pricing and buyer matching to maximize revenue while maintaining ad quality and inventory value.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Main_Components_of_a_Supply-side_Platform\"><\/span>What are the Main Components of a Supply-side Platform?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Here are the main components of a Supply-Side Platform (SSP):<\/span><\/p>\n\n\n\n<h3>1. Ad Exchange Integration<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">An SSP connects publishers to a network of <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-an-ad-exchange\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">ad exchanges<\/span><\/a><span style=\"font-weight: 400;\">. These exchanges act as marketplaces where advertisers (through DSPs) and publishers (through SSPs) can connect to buy and sell ad inventory.<\/span><\/p>\n\n\n\n<h3>2. Backend and Infrastructure<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">To provide services to publishers and sell ad space, an SSP&#8217;s numerous backend components must be housed on an infrastructure (e.g., Amazon Web Services). From there, they can execute all of the technical operations that power the SSP&#8217;s functions.<\/span><\/p>\n\n\n\n<h3>3. Trackers<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Trackers gather information about the publisher&#8217;s website and readership. It subsequently forwards this information to other components, such as the user profile database and the reporting database.<\/span><\/p>\n\n\n\n<h3>4. Reporting Database<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">The tracker sends campaign and audience data to the reporting database, allowing publishers to create reports and examine campaign analytics.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3><strong>5. Yield Optimization<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Many SSPs offer yield optimization tools that use data and analytics to maximize revenue from ad inventory.<\/span><\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_To_Consider_When_Choosing_a_Supply_Side_Platform\"><\/span>What To Consider When Choosing a Supply Side Platform?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">If you are looking for the best supply-side platform, here\u2019s what you should look for:<\/span><\/p>\n\n\n\n<h3><strong>1. Ad Formats and Inventory Management<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Select an SSP that offers the display, video, <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/publisher\/native-ads\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">native<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/ctv-vs-ott\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">CTV<\/span><\/a><span style=\"font-weight: 400;\">, and other ad formats that suit your requirements. Additionally, it should provide inventory control features like price floors, <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/ad-block-traffic-for-revenue-optimization\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">ad blocking<\/span><\/a><span style=\"font-weight: 400;\">, and private deals.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3><strong>2. Data and Reporting Capabilities<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Choose an SSP that offers real-time reporting that includes insights on audience, revenue, and ad unit performance, among others. The consolidated data will help you polish your strategies and maximize your yield.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3><strong>3. Integration and Support<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Opt for an SSP that offers quick and easy integration with your website. For example, you can set up Google AdSense with a single line of code. For websites that CMS manages, it offers plugins or extensions for code <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-ad-network-integration\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">integration<\/span><\/a><span style=\"font-weight: 400;\">. Moreover, make sure that customer support is reliable in case you face any glitches and need prompt assistance.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3><strong>4. Brand Safety and Ad Quality<\/strong><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">To preserve the user experience, the SSP should also provide <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/ad-fraud-prevention\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">fraud<\/span><\/a><span style=\"font-weight: 400;\"> protection and <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/brand-safety-101-with-rebecca-murray-head-of-commercial-product-at-cnn\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">brand safety<\/span><\/a><span style=\"font-weight: 400;\"> tools to <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/adblock-recovery\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">block ads<\/span><\/a><span style=\"font-weight: 400;\"> that don&#8217;t align with your publishing business.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3>5. Monetization Opportunities<\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Apart from the basic features, the SSP should also offer advanced monetization features, such as <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-server-side-ad-insertion-and-how-does-it-work\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">dynamic ad insertion<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a target=\"_blank\" href=\"https:\/\/www.adpushup.com\/header-bidding-solution\/\" rel=\"noopener\"><span style=\"font-weight: 400;\">header bidding<\/span><\/a><span style=\"font-weight: 400;\">, or other video monetization options.<\/span><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"5_Best_Supply_Side_Platforms_in_2025\"><\/span>5 Best Supply Side Platforms in 2025<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Supply Side Platforms (SSPs) are an essential tool for publishers in the <a href=\"https:\/\/www.adpushup.com\/blog\/best-examples-of-programmatic-advertising\/\">programmatic advertising<\/a> world.&nbsp; Here are some of the leading supply-side platform examples to consider in 2025:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3>1. Google Ad Manager<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"447\" src=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1024x447.png\" alt=\"Google Ad Manager\" class=\"wp-image-34742\" srcset=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1024x447.png 1024w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-300x131.png 300w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-768x336.png 768w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-150x66.png 150w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/www.adpushup.com\/google-ad-manager\/\" target=\"_blank\" rel=\"noreferrer noopener\">Google Ad Manager<\/a> (GAM) acts as a built-in, high-performing SSP for publishers. It\u2019s more than just a bridge to AdSense&nbsp; GAM; it also connects you with DV360 (a top-tier DSP) and Google AdX, one of the largest ad exchanges in the AdTech ecosystem. This seamless access to a vast network of premium advertisers amplifies bid competition, driving higher yields and stronger revenue performance.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3>2. PubMatic<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"438\" src=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1-1024x438.png\" alt=\"Pubmatic\" class=\"wp-image-34743\" srcset=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1-1024x438.png 1024w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1-300x128.png 300w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1-768x328.png 768w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1-150x64.png 150w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-1.png 1349w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/pubmatic.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">PubMatic<\/a> SSP empowers publishers to take charge of their digital advertising growth. It enables marketers to maximize ROI by connecting with their target audiences in premium, brand-safe environments across multiple <a href=\"https:\/\/www.adpushup.com\/blog\/the-ad-format-and-types-users-like-most-report\/\" target=\"_blank\" rel=\"noreferrer noopener\">ad formats<\/a> and platforms. It ensures both quality reach and impactful engagement.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3>3. Geniee International SSP<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"447\" src=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4-1024x447.png\" alt=\"\" class=\"wp-image-34746\" srcset=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4-1024x447.png 1024w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4-300x131.png 300w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4-768x336.png 768w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4-150x66.png 150w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-4.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/en.geniee.co.jp\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Geniee<\/a> International have a strong presence across Southeast Asia and the Asia-Pacific region. They conduct real-time revenue analysis of 150+ ad networks to deliver ads with the highest <a href=\"https:\/\/www.adpushup.com\/blog\/what-is-cpm\/\" target=\"_blank\" rel=\"noreferrer noopener\">CPM<\/a> potential.<\/p>\n\n\n\n<ul><li>Evaluates over 300,000 ad impressions monthly to connect publishers with high-demand buyers<\/li><li>Analyzes user attributes to enhance audience targeting across its publisher network<\/li><li>Offers expert media consulting to help optimize your overall monetization strategy<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fff1f5\">Before you read about the next ad network, here\u2019s a little self-plug : )<br><br>AdPushup does, and why we\u2019re hand-picked by Google as a certified publishing partner.<br><br>AdPushup has helped more than 300 web publishers sustainably increase their ad CTRs, CPMs, and overall revenues without compromising on UX.<br><br>Take a look at how we <a href=\"https:\/\/www.adpushup.com\/wp-content\/uploads\/2020\/02\/CCNA7-AdPushup-min.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">delivered a 534% ad revenue uplift in 6 Months for CCNA7<\/a>. If you want to learn how our technology can do the same for you, go ahead and <a href=\"https:\/\/www.adpushup.com\/publisher\/get-started\/?utm_campaign=Inbound&amp;utm_source=Website&amp;utm_medium=CTA\" target=\"_blank\" rel=\"noreferrer noopener\">request a demo.<\/a><\/p>\n\n\n\n<h3>4. Magnite (Earlier Rubicon)<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"487\" src=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2-1024x487.png\" alt=\"Magnite\" class=\"wp-image-34744\" srcset=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2-1024x487.png 1024w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2-300x143.png 300w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2-768x365.png 768w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2-150x71.png 150w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-2.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/www.magnite.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Magnite<\/a>, formed through the 2020 merger of Rubicon Project and Telaria, has established itself as one of the world\u2019s leading independent SSPs. Renowned for automating the buying and selling of digital ads, Magnite has built one of the largest real-time cloud and big data infrastructures capable of processing trillions of transactions within milliseconds.<\/p>\n\n\n\n<p>This platform provides publishers with advanced solutions like Private Marketplaces (<a href=\"https:\/\/www.adpushup.com\/blog\/how-to-make-most-out-of-pmp-deals\/\" target=\"_blank\" rel=\"noreferrer noopener\">PMP<\/a>), <a href=\"https:\/\/www.adpushup.com\/blog\/explainer-the-four-types-of-programmatic-deals\/\" target=\"_blank\" rel=\"noreferrer noopener\">Programmatic Guaranteed<\/a> (PG), and Auction Packages. This offers greater control, transparency, and efficiency in managing and monetizing ad inventory.<\/p>\n\n\n\n<h3>5. OpenX<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"1024\" height=\"415\" src=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-1024x415.png\" alt=\"OpenX\" class=\"wp-image-34745\" srcset=\"https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-1024x415.png 1024w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-300x122.png 300w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-768x311.png 768w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-1536x622.png 1536w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3-150x61.png 150w, https:\/\/www.adpushup.com\/blog\/wp-content\/uploads\/2025\/12\/image-3.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/www.openx.com\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">OpenX<\/a> stands out for its precision in inventory management, dynamic real-time bidding (RTB), and powerful data analytics. It enables publishers to optimize ad placements, run ultra-fast auctions, and make smarter, data-backed decisions. With its focus on efficiency and performance, OpenX continues to rank among the top SSPs in the digital advertising ecosystem.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Are_the_Main_Features_of_a_Supply_Side_Platform\"><\/span>What Are the Main Features of a Supply Side Platform?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SSPS has multiple features that make the publisher experience easier and less cumbersome. Here are the main features of a Supply Side Platform (SSP):<\/p>\n\n\n\n<h3>1. Demand Forecasting and Floor Price Optimization<\/h3>\n\n\n\n<p>By analyzing data, the SSP can predict future demand for specific ad placements, allowing publishers to adjust pricing strategies to capitalize on peak periods.<\/p>\n\n\n\n<h3>2. Ad Format Optimization<\/h3>\n\n\n\n<p>The SSP can recommend the most suitable ad formats (<a href=\"https:\/\/www.adpushup.com\/blog\/native-ads-vs-display-ads\/\" target=\"_blank\" rel=\"noreferrer noopener\">display ads<\/a>, <a href=\"https:\/\/www.adpushup.com\/video-ads\/\" target=\"_blank\" rel=\"noreferrer noopener\">video ads<\/a>) for different placements, considering factors like user behaviour and potential revenue per format.<\/p>\n\n\n\n<h3>3. Programmatic Deals<\/h3>\n\n\n\n<p>It lets publishers execute <a href=\"https:\/\/www.adpushup.com\/blog\/how-to-make-most-out-of-pmp-deals\/\" target=\"_blank\" rel=\"noreferrer noopener\">private marketplaces (PMPs)<\/a> and <a href=\"https:\/\/www.adpushup.com\/blog\/explainer-the-four-types-of-programmatic-deals\/\" target=\"_blank\" rel=\"noreferrer noopener\">programmatic guaranteed<\/a> transactions, apart from ad space selling via open RTB.<\/p>\n\n\n\n<h3>4. Ad Quality Filters<\/h3>\n\n\n\n<p>Through ad quality filters, publishers can block specific advertisers and certain ad formats or filter out certain ads that do not align with their audience.<\/p>\n\n\n\n<h3>5. Real-time Dashboards<\/h3>\n\n\n\n<p>SSPs offer publishers real-time, detailed analytics on impressions, clicks, revenue, and audience demographics that help them assess performance and optimize campaigns.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_Benefits_of_Using_a_Supply-side_Platform\"><\/span>What are the Benefits of Using a Supply-side Platform?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Let\u2019s now have a look at the wide array of benefits a supply-side platform has to offer.<\/p>\n\n\n\n<h3>1. Maximized Revenue<\/h3>\n\n\n\n<p>With real-time bidding enabled along with other programmatic deals, an SSP creates a conducive environment for the publisher. Combining historical data and advanced analytics, SSPs ensure that publishers get maximum <a href=\"https:\/\/www.adpushup.com\/ecpm-calculator\/\" target=\"_blank\" rel=\"noreferrer noopener\">eCPMs<\/a> for their ad space.<\/p>\n\n\n\n<h3>2. Automated Ad Selling<\/h3>\n\n\n\n<p>The most important advantage of an SSP is automation. SSPs remove the manual work from the ad-selling process, bringing in more efficiency and accountability.<\/p>\n\n\n\n<h3>3. Prevent Impression Fatigue<\/h3>\n\n\n\n<p>When ad space gets a large amount of impressions, users are often exposed to the same ads repeatedly. This repetition leads to ad impression fatigue. This problem creates a boring and overwhelming campaign impact, which can even push users to tune out or avoid ads altogether. By partnering with supply-side platforms (SSPs), publishers can manage ad frequency caps effectively. Hence, this ensures that users aren\u2019t bombarded with the same creative too often.<\/p>\n\n\n\n<h3>4. Publisher Control Over Pricing<\/h3>\n\n\n\n<p>SSPs enable publishers to set floor prices for their ad impressions, giving them control over how their inventory is valued. This means publishers no longer have to accept low bids just to fill ad space. Instead, they can establish minimum price standards, ensuring every impression is sold at a fair and competitive rate that reflects its true market value.<\/p>\n\n\n\n<h2 class=\"has-text-align-center AIPRM__p-2 AIPRM__top-12 md:AIPRM__top-2 AIPRM__items-center AIPRM__transition-colors AIPRM__duration-200 AIPRM__cursor-pointer AIPRM__text-sm AIPRM__rounded-md AIPRM__border AIPRM__bg-white dark:AIPRM__bg-gray-800 AIPRM__border-black\/10 dark:AIPRM__border-white\/20 hover:AIPRM__bg-gray-50 dark:hover:AIPRM__bg-gray-700 AIPRM__fixed AIPRM__right-4 AIPRM__z-30\" id=\"AIPRM__sidebar-icon\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><em>Frequently Asked Questions<\/em><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1691323390114\"><strong class=\"schema-faq-question\">1. What does a supply-side platform do?<\/strong> <p class=\"schema-faq-answer\">A supply-side platform (SSP), also known as a sell-side platform, is a technology solution that enables publishers to sell ad space on their websites and apps based on impressions.\u00a0<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1691323995696\"><strong class=\"schema-faq-question\">2. What is SSP vs DSP?<\/strong> <p class=\"schema-faq-answer\">A Supply-Side Platform (SSP) enables publishers to sell their available ad space strategically, helping them maximize fill rates and overall revenue, while a Demand-Side Platform (DSP) allows advertisers to purchase ad inventory from various sources efficiently<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1691324056128\"><strong class=\"schema-faq-question\">3. What is an example of SSP?<\/strong> <p class=\"schema-faq-answer\">Some examples of SSPs include Google Ad Manager (formerly DoubleClick for Publishers \u2013 DFP), OpenX, PubMatic, Magnite, AppNexus (now Xandr), and AOL (now part of Verizon Media Group)<br\/><\/p> <\/div> <\/div>\n\n\n\n<p><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>True ad revenue growth comes from a combination of strong demand partners, effective ad formats, and the right technology that can automatically manage, sell and optimize your ad space and maximise your revenue. And that technology is an SSP (Supply Side Platform). With over 90% of digital ad spend flowing through programmatic channels, success depends<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":85,"featured_media":28374,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","om_disable_all_campaigns":false,"inline_featured_image":false,"apple_news_api_created_at":"2018-09-06T08:18:31Z","apple_news_api_id":"72e7048d-fd1b-40c7-a28b-a346875ae9d7","apple_news_api_modified_at":"2018-09-06T08:23:51Z","apple_news_api_revision":"AAAAAAAAAAAAAAAAAAAAAg==","apple_news_api_share_url":"https:\/\/apple.news\/AcucEjf0bQMeii6NGh1rp1w","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"middle","apple_news_slug":"","apple_news_sections":"[\"https:\\\/\\\/news-api.apple.com\\\/sections\\\/2384f969-0b7d-3e23-907b-d8b4b94ce6f8\"]"},"categories":[6440],"tags":[11392,11393,11657,10659,11656],"apple_news_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.5 (Yoast SEO v18.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Supply-Side Platform? The Core Publisher Breakdown<\/title>\n<meta name=\"description\" content=\"Master Supply-Side Platforms with AdPushup. Learn how SSPs work, their key features, and choosing the best SSP for your site.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adpushup.com\/blog\/what-is-supply-side-platform\/\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:title\" content=\"What is a Supply-Side Platform? The Core Publisher Breakdown\" \/>\n<meta name=\"twitter:description\" content=\"Master Supply-Side Platforms with AdPushup. 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