{"id":28220,"date":"2025-01-21T13:02:57","date_gmt":"2025-01-21T12:02:57","guid":{"rendered":"https:\/\/new.optidigital.com\/non-classifiee\/explaining-ssp-and-dsp\/"},"modified":"2026-02-17T17:02:47","modified_gmt":"2026-02-17T16:02:47","slug":"comprendre-les-ssp-et-dsp","status":"publish","type":"post","link":"https:\/\/new.optidigital.com\/fr\/ressources\/blog\/comprendre-les-ssp-et-dsp\/","title":{"rendered":"Comprendre les SSP et DSP"},"content":{"rendered":"\n<p><strong>La publicit\u00e9 programmatique a parcouru un long chemin depuis ses d\u00e9buts. Ce qui n\u2019\u00e9tait au d\u00e9part qu\u2019une simple banni\u00e8re diffus\u00e9e sur Hotwired.com en 1994 s\u2019est transform\u00e9 en un \u00e9cosyst\u00e8me complexe et pilot\u00e9 par la donn\u00e9e, automatisant l\u2019achat et la vente d\u2019espaces publicitaires en temps r\u00e9el.<\/strong><\/p>\n\n\n\n<p><strong>Cette \u00e9volution a r\u00e9volutionn\u00e9 le marketing digital, apportant efficacit\u00e9 et nouvelles opportunit\u00e9s de mon\u00e9tisation, notamment gr\u00e2ce au Header Bidding. Un \u00e9l\u00e9ment cl\u00e9 de cet \u00e9cosyst\u00e8me est la collaboration entre les SSP et les DSP. Ces plateformes remplissent des fonctions distinctes mais compl\u00e9mentaires et contribuent \u00e0 un processus publicitaire plus rentable.<\/strong><\/p>\n\n\n\n<p><strong>Pour les \u00e9diteurs souhaitant maximiser leurs revenus et \u00e9tendre leur port\u00e9e, comprendre le r\u00f4le des SSP et DSP est essentiel. Dans cet article, nous d\u00e9taillons leur fonctionnement dans le processus d\u2019achat publicitaire ainsi que le r\u00f4le des DMP.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\">Qu\u2019est-ce qu\u2019une Supply-Side Platform (SSP) ?<\/h2>\n\n\n\n<p>Une <strong>Supply-Side Platform (SSP)<\/strong> est une plateforme technologique qui permet aux \u00e9diteurs de mettre leur inventaire publicitaire \u00e0 disposition de la demande programmatique.<\/p>\n\n\n\n<p>Il s\u2019agit d\u2019un logiciel qui connecte simultan\u00e9ment l\u2019inventaire publicitaire aux ad networks, DSP et ad exchanges.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Fonctionnement d\u2019un SSP en RTB :<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Un \u00e9diteur met son inventaire \u00e0 disposition via un SSP.<\/li>\n\n\n\n<li>Lorsqu\u2019un utilisateur visite une page, une requ\u00eate publicitaire est envoy\u00e9e aux ad exchanges et parfois directement aux DSP.<\/li>\n\n\n\n<li>Plusieurs DSP ench\u00e9rissent sur l\u2019impression.<\/li>\n\n\n\n<li>Le SSP analyse les ench\u00e8res et s\u00e9lectionne la plus \u00e9lev\u00e9e.<\/li>\n\n\n\n<li>L\u2019annonce gagnante est diffus\u00e9e sur la page de l\u2019\u00e9diteur.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"display: flex; justify-content: center; width: 100%;\">\n  <div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-192302707121\"\n    style=\"max-width:100%; max-height:100%; width:700px;height:180.40625px\" data-hubspot-wrapper-cta-id=\"192302707121\">\n    <a href=\"https:\/\/cta-service-cms2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLLsGUaCilYgQ9oUlFQcADRjMc%2BaamcbQwn%2BtbstzUNnHPCkBqUiVZnDBAAsXndQKSvB6cKOujurJEG7xF92%2BjjUqJkCpghYwPBsZT%2B6QK8B2f9pZWygV%2FqPS1rJD801xC9qA%2F8yMvH0RgILCJ1ozBCy0DytMdHdsovjyYWLTnUKvBTGpzCTJATmaI3m10XSZuswa0PI6lLvi1C6Gq6%2Bu%2BGIneMroTDLVielyaNSDhICCA%2FL1QqbMpUo8juAPMjQy0hrHXM%2BcZJyw5MCv3uno9hiXaPf%2B4P2KDpPxAARZp0WPQl8eAgMChYO4SuPvWfnpow%3D&#038;webInteractiveContentId=192302707121&#038;portalId=4547509\" target=\"_blank\" rel=\"noopener\" crossorigin=\"anonymous\">\n      <img decoding=\"async\" alt=\"El Plural\" loading=\"lazy\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/4547509\/interactive-192302707121.png\" style=\"height: 100%; width: 100%; object-fit: fill\"\n        onerror=\"this.style.display='none'\" \/>\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Les avantages des SSP<\/h3>\n\n\n\n<p><strong>Concurrence accrue<\/strong><strong><br><\/strong> Un SSP de qualit\u00e9 connecte l\u2019\u00e9diteur \u00e0 un large \u00e9ventail d\u2019acheteurs, augmentant la concurrence et donc les prix.<\/p>\n\n\n\n<p><strong>Reporting granulaire<\/strong><strong><br><\/strong> Des rapports d\u00e9taill\u00e9s et en temps r\u00e9el permettent aux \u00e9diteurs d\u2019optimiser leur yield et de prendre des d\u00e9cisions bas\u00e9es sur la donn\u00e9e.<\/p>\n\n\n\n<p><strong>Simplicit\u00e9 et transparence<\/strong><strong><br><\/strong> Une interface intuitive facilite l\u2019int\u00e9gration dans le stack publicitaire existant.<\/p>\n\n\n\n<p><strong>Contr\u00f4le qualit\u00e9 des annonces<\/strong><strong><br><\/strong> Les SSP permettent de filtrer les annonceurs et d\u2019\u00e9viter les publicit\u00e9s de mauvaise qualit\u00e9.<\/p>\n\n\n\n<p>Chez Opti Digital, nous collaborons strat\u00e9giquement avec des SSP premium afin d\u2019optimiser la performance de l\u2019inventaire de nos \u00e9diteurs.<\/p>\n\n\n\n<p>Notre solution <strong><a href=\"https:\/\/new.optidigital.com\/fr\/publishers\/demand-hub\/\">Demand Hub<\/a> <\/strong>garantit des ench\u00e8res plus \u00e9lev\u00e9es et un meilleur fill rate en mutualisant la demande issue de partenariats exclusifs avec des marques, agences, DSP et SSP.<\/p>\n\n\n\n<p>Notre approche enrichit les sources de demande existantes sans les remplacer, permettant aux \u00e9diteurs de conserver leurs partenaires actuels tout en b\u00e9n\u00e9ficiant d\u2019une source de demande suppl\u00e9mentaire.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/new.optidigital.com\/wp-content\/uploads\/Process-which-DSPs-and-SSPs-work-in-1-1024x536.webp\" alt=\"\" class=\"wp-image-26551\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\">Qu\u2019est-ce qu\u2019une Demand-Side Platform (DSP) ?<\/h2>\n\n\n\n<p>Si les SSP aident les \u00e9diteurs \u00e0 vendre leur inventaire, une <strong>Demand-Side Platform (DSP)<\/strong> permet aux annonceurs d\u2019acheter des impressions publicitaires en temps r\u00e9el, impression par impression.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Fonctionnement :<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u2019annonceur charge ses cr\u00e9ations publicitaires et d\u00e9finit ses crit\u00e8res de ciblage dans le DSP.<\/li>\n\n\n\n<li>Lorsqu\u2019un utilisateur visite une page, une requ\u00eate publicitaire est g\u00e9n\u00e9r\u00e9e.<\/li>\n\n\n\n<li>Le SSP transmet l\u2019impression aux DSP.<\/li>\n\n\n\n<li>Les DSP \u00e9valuent si l\u2019impression correspond \u00e0 leurs crit\u00e8res et placent une ench\u00e8re.<\/li>\n\n\n\n<li>Le DSP gagnant ach\u00e8te l\u2019impression et l\u2019annonce est diffus\u00e9e.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Les Types de DSP<\/h3>\n\n\n\n<p><strong>DSP en self-service<br><\/strong> Les annonceurs g\u00e8rent eux-m\u00eames leurs campagnes et gardent un contr\u00f4le total.<\/p>\n\n\n\n<p><strong>DSP full-service<br><\/strong> Une \u00e9quipe d\u00e9di\u00e9e g\u00e8re les campagnes pour le compte de l\u2019annonceur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Les avantages des DSP<\/h3>\n\n\n\n<p><strong>Efficacit\u00e9<\/strong><strong><br><\/strong> Automatisation du processus d\u2019achat et r\u00e9duction des co\u00fbts op\u00e9rationnels.<\/p>\n\n\n\n<p><strong>Centralisation<\/strong><strong><br><\/strong> Gestion des campagnes depuis une interface unique.<\/p>\n\n\n\n<p><strong>Ciblage pr\u00e9cis<\/strong><strong><br><\/strong> Cr\u00e9ation de segments d\u2019audience personnalis\u00e9s, contrairement aux r\u00e9seaux publicitaires traditionnels aux segments pr\u00e9d\u00e9finis.<\/p>\n\n\n\n<p><strong>D\u00e9cisions bas\u00e9es sur la donn\u00e9e<br><\/strong> Acc\u00e8s \u00e0 des tableaux de bord en temps r\u00e9el pour optimiser les performances.<\/p>\n\n\n\n<p><strong>Contr\u00f4le avanc\u00e9<br><\/strong> Param\u00e9trage des horaires de diffusion, blacklist de placements, etc.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"display: flex; justify-content: center; width: 100%;\">\n  <div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-191509524642\"\n    style=\"max-width:100%; max-height:100%; width:700px;height:180.40625px\" data-hubspot-wrapper-cta-id=\"191509524642\">\n    <a href=\"https:\/\/cta-service-cms2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLIFLKRqUMpiQY5xrb53vSQ94lNK69v4tRs2%2FWHuDftqiXesWjmNnR0ThDDdHwTvcUnXPUbmTVPs5PiVvs%2BYghiBkK0GR%2BTEQ9z2uYbwEBeY4lufiQDR4EildxZZM28zZ%2F7GlZ0SeLrMZJCJfE7ezg9mHTEJ4YGT%2F21OCSUQxr57s9ynU7ijLah5St3nIEI7dajq513ZeToJP%2BZJjV63%2FJt36pk8VlUIJTTucKh6f%2BG2xv0zukVOHANCg6EUWQXOgBXLjVb1oPAvKHHHSdI%3D&#038;webInteractiveContentId=191509524642&#038;portalId=4547509\" target=\"_blank\" rel=\"noopener\" crossorigin=\"anonymous\">\n      <img decoding=\"async\" alt=\"Opti Digital | Demand Hub\" loading=\"lazy\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/4547509\/interactive-191509524642.png\" style=\"height: 100%; width: 100%; object-fit: fill\"\n        onerror=\"this.style.display='none'\" \/>\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:28px\">SSP et DSP : travaillent-ils ensemble ?<\/h2>\n\n\n\n<p>Oui, SSP et DSP collaborent pour automatiser l\u2019achat programmatique.<\/p>\n\n\n\n<p>Diff\u00e9rences cl\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les SSP permettent aux \u00e9diteurs de vendre leur inventaire.<\/li>\n\n\n\n<li>Les DSP permettent aux annonceurs d\u2019acheter et d\u2019optimiser leurs campagnes.<\/li>\n\n\n\n<li>Les SSP organisent les ench\u00e8res.<\/li>\n\n\n\n<li>Les DSP ench\u00e9rissent dans ces ench\u00e8res.<\/li>\n\n\n\n<li>Les SSP maximisent les revenus \u00e9diteurs.<\/li>\n\n\n\n<li>Les DSP optimisent les performances annonceurs.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\">Qu\u2019est-ce qu\u2019une Data Management Platform (DMP) ?<\/h2>\n\n\n\n<p>En compl\u00e9ment des SSP et DSP, les <strong>Data Management Platforms (DMP)<\/strong> jouent un r\u00f4le cl\u00e9.<\/p>\n\n\n\n<p>Les DMP collectent, organisent et segmentent de grandes quantit\u00e9s de donn\u00e9es utilisateurs afin d\u2019am\u00e9liorer le ciblage publicitaire et d\u2019anticiper les comportements futurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\">Types de donn\u00e9es :<\/h3>\n\n\n\n<p><strong>First-party data<\/strong><strong><br><\/strong> Donn\u00e9es issues directement des utilisateurs (site web, app, CRM, transactions).<\/p>\n\n\n\n<p><strong>Second-party data<br><\/strong> Partage de donn\u00e9es first-party via un partenariat.<\/p>\n\n\n\n<p><strong>Third-party data<br><\/strong> Donn\u00e9es issues de sources externes (brokers), utiles pour un ciblage large mais plus sensibles en mati\u00e8re de confidentialit\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/new.optidigital.com\/wp-content\/uploads\/Data-Management-platform-1024x536.webp\" alt=\"\" class=\"wp-image-26554\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\">Fonctionnement d\u2019une DMP<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Collecte des donn\u00e9es<\/li>\n\n\n\n<li>Normalisation des donn\u00e9es (organisation des IDs, suppression des doublons)<\/li>\n\n\n\n<li>Enrichissement (device, localisation, navigateur, OS)<\/li>\n\n\n\n<li>Segmentation par attributs communs<\/li>\n\n\n\n<li>Fusion des profils identiques<\/li>\n\n\n\n<li>Cr\u00e9ation de segments d\u2019audience (ex : \u201cUtilisateurs Android aux USA\u201d)<\/li>\n<\/ol>\n\n\n\n<p>Bien que souvent associ\u00e9es aux annonceurs, les DMP b\u00e9n\u00e9ficient \u00e9galement aux \u00e9diteurs. Int\u00e9gr\u00e9es \u00e0 un SSP, elles permettent de mieux comprendre le comportement utilisateur, d\u2019augmenter la valeur de l\u2019inventaire et d\u2019am\u00e9liorer l\u2019exp\u00e9rience utilisateur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Les SSP, DSP et DMP sont des piliers fondamentaux de l\u2019\u00e9cosyst\u00e8me publicitaire programmatique.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les SSP maximisent les revenus des \u00e9diteurs.<\/li>\n\n\n\n<li>Les DSP optimisent les campagnes des annonceurs.<\/li>\n\n\n\n<li>Les DMP enrichissent l\u2019ensemble gr\u00e2ce \u00e0 des insights data avanc\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Ensemble, ces plateformes garantissent un \u00e9cosyst\u00e8me programmatique performant et rentable pour toutes les parties.<\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"display: flex; justify-content: center; width: 100%;\">\n  <div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-192300748571\"\n    style=\"max-width:100%; max-height:100%; width:700px;height:180.40625px\" data-hubspot-wrapper-cta-id=\"192300748571\">\n    <a href=\"https:\/\/cta-service-cms2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLIpZ%2BxKE9%2BHd4i4OZORJYPYjgGwsEcGQZwSl6Ql2OsytBp9sTLp685vI3oC9UsajzL7FEZV0qT0jYK3J4KD9jX2p1VGWsh0tEqCat%2FqxxhvBHT11%2BUlFU3pwHo3JXeFwY0o9pDPhmDG7p2jNJNFkC1OPCOMmLI0aoUTZcElgQ2TWa9PIGTsOq3SCFxvKMq%2FdifGys2Dm%2FzBMuTTIntk1pDi0dybnm4Wme%2FHQbSkhXmuw2Rc6sX2TugZdZFj7XTyJuFr5Seuw%2BvJhhl7j%2F1%2BNr16jVgeB95iErvwTc8bxuzS&#038;webInteractiveContentId=192300748571&#038;portalId=4547509\" target=\"_blank\" rel=\"noopener\" crossorigin=\"anonymous\">\n      <img decoding=\"async\" alt=\"Demo Banner\" loading=\"lazy\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/4547509\/interactive-192300748571.png\" style=\"height: 100%; width: 100%; object-fit: fill\"\n        onerror=\"this.style.display='none'\" \/>\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Si vous souhaitez aller plus loin, d\u00e9couvrez notre technologie <strong>Demand Hub<\/strong>, qui mutualise la demande issue de partenariats exclusifs avec des marques, agences, DSP et SSP premium afin d\u2019augmenter les ench\u00e8res et le fill rate.<\/p>\n\n\n\n<p>En compl\u00e9ment de votre configuration existante, Demand Hub agr\u00e8ge plusieurs formats publicitaires au sein d\u2019une m\u00eame impression, g\u00e9n\u00e9rant des CPM plus \u00e9lev\u00e9s, renfor\u00e7ant la comp\u00e9titivit\u00e9 de votre inventaire et am\u00e9liorant l\u2019exp\u00e9rience utilisateur gr\u00e2ce \u00e0 des formats cr\u00e9atifs innovants.<\/p>\n\n\n\n<p><a href=\"https:\/\/new.optidigital.com\/fr\/contactez-nous\/\">Contactez-nous<\/a> pour exploiter tout le potentiel de votre strat\u00e9gie programmatique.<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>La publicit\u00e9 programmatique a parcouru un long chemin depuis ses d\u00e9buts. Ce qui n\u2019\u00e9tait au d\u00e9part qu\u2019une simple banni\u00e8re diffus\u00e9e sur Hotwired.com en 1994 s\u2019est transform\u00e9 en un \u00e9cosyst\u00e8me complexe et pilot\u00e9 par la donn\u00e9e, automatisant l\u2019achat et la vente d\u2019espaces publicitaires en temps r\u00e9el. Cette \u00e9volution a r\u00e9volutionn\u00e9 le marketing digital, apportant efficacit\u00e9 et &#8230; <a title=\"Comprendre les SSP et DSP\" class=\"read-more\" href=\"https:\/\/new.optidigital.com\/fr\/ressources\/blog\/comprendre-les-ssp-et-dsp\/\" aria-label=\"En savoir plus sur Comprendre les SSP et DSP\">Lire la suite<\/a><\/p>\n","protected":false},"author":11,"featured_media":23934,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[394,399,401],"tags":[],"class_list":["post-28220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-monetisation-fr","category-publicite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comprendre les SSP et DSP | Opti Digital<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les r\u00f4les des SSP et des DSP dans la publicit\u00e9 programmatique, comment elles collaborent avec les DMP, comment elles maximisent les revenus publicitaires et optimisent les campagnes.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comprendre les SSP et DSP | Opti Digital\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez les r\u00f4les des SSP et des DSP dans la publicit\u00e9 programmatique, comment elles collaborent avec les DMP, comment elles maximisent les revenus publicitaires et optimisent les campagnes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/new.optidigital.com\/fr\/ressources\/blog\/comprendre-les-ssp-et-dsp\/\" \/>\n<meta property=\"og:site_name\" content=\"Optidigital\" 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