<div class='ui dimmer modals page' style='display: none;'><div id='helpie-password-modal' class='pauple_helpie ui modal small' style='display: none;'><div class='ui header'><i class='circular lock icon'></i> Password Protected</div><div class='item-content'><br /><label for='password_check'>Enter Password : </label><p><input type='password' id='password_check' name='password_check' class='password' value='' required></p></div><div class='actions'><div class='ui black deny button'>Nope</div><div class='ui positive right labeled icon button'>Yep, that's right!<i class='checkmark icon'></i></div></div><div class='clear'></div></div></div>{"id":84814,"date":"2026-10-15T13:11:42","date_gmt":"2026-10-15T16:11:42","guid":{"rendered":"https:\/\/reportei.com\/central-de-ajuda\/couverture-totale-et-couverture-unique-comprendre-la-difference\/"},"modified":"2026-10-15T13:11:42","modified_gmt":"2026-10-15T16:11:42","slug":"couverture-totale-et-couverture-unique-comprendre-la-difference","status":"publish","type":"pauple_helpie","link":"https:\/\/reportei.com\/fr\/central-de-ajuda\/couverture-totale-et-couverture-unique-comprendre-la-difference\/","title":{"rendered":"Couverture totale et couverture unique : comprendre la diff\u00e9rence"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Reportei collecte les donn\u00e9es par les API officielles des plateformes, chacune ayant ses propres possibilit\u00e9s et limites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les chiffres Meta Ads proviennent de la Marketing API et doivent \u00eatre compar\u00e9s avec les m\u00eames comptes, p\u00e9riodes et param\u00e8tres dans le Gestionnaire. Sur les comptes organiques Instagram et Facebook, les limites de l\u2019API peuvent modifier le p\u00e9rim\u00e8tre des indicateurs disponibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un indicateur correspondant \u00e0 la somme de la couverture quotidienne additionne les personnes uniques atteintes chaque jour. Il ne repr\u00e9sente donc pas n\u00e9cessairement le nombre de personnes uniques sur toute la p\u00e9riode. Voici pourquoi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Historiquement, certaines m\u00e9triques de l\u2019API proposaient trois fen\u00eatres de couverture :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un jour ;<\/li>\n\n\n\n<li>Les 7 derniers jours ;<\/li>\n\n\n\n<li>Les 28 derniers jours.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dans chaque fen\u00eatre disponible, la couverture \u00e9tait d\u00e9dupliqu\u00e9e.&nbsp;<strong>Mais comment analyser une autre dur\u00e9e ?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour illustrer le probl\u00e8me avec 60 jours, plusieurs d\u00e9compositions sont possibles :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deux blocs de 28 jours et quatre journ\u00e9es ;<\/li>\n\n\n\n<li>Un bloc de 28 jours, quatre blocs de 7 jours et quatre journ\u00e9es ;<\/li>\n\n\n\n<li>Soixante journ\u00e9es.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Comme pour combiner des billets et pi\u00e8ces, plusieurs r\u00e9partitions sont possibles. La position des fen\u00eatres dans le temps modifie aussi le r\u00e9sultat. Par exemple :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp;28 jours, puis deux journ\u00e9es, puis 28 jours et deux journ\u00e9es<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">peuvent donner un autre total que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quatre journ\u00e9es suivies de deux blocs de 28 jours.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Plus la p\u00e9riode est longue, plus les combinaisons deviennent nombreuses. Surtout,&nbsp;<strong>aucune addition de fen\u00eatres ne garantit une couverture unique sur l\u2019ensemble<\/strong>, car une m\u00eame personne peut figurer dans plusieurs fen\u00eatres et \u00eatre compt\u00e9e plusieurs fois.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les indicateurs d\u00e9finis comme une somme quotidienne, Reportei applique donc une r\u00e8gle simple et explicable :&nbsp;<strong>additionner les couvertures uniques de chaque jour<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La disponibilit\u00e9 d\u2019une couverture d\u00e9dupliqu\u00e9e sur une autre p\u00e9riode d\u00e9pend de l\u2019indicateur et de la version d\u2019API. V\u00e9rifiez sa description dans Reportei.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-como-lidar-com-a-situa-o-ent-o\"><span id=\"helpie-sp-1\"><strong>Comment interpr\u00e9ter ces chiffres ?&nbsp;<\/strong><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilisez la somme quotidienne comme un rep\u00e8re de diffusion, sans la pr\u00e9senter comme une audience unique sur toute la p\u00e9riode. Le graphique par jour permet d\u2019examiner la couverture unique de chaque journ\u00e9e, avec le m\u00eame p\u00e9rim\u00e8tre dans l\u2019application d\u2019origine.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-atualiza-o\"><span id=\"helpie-sp-1-1\">\ud83d\udea8 Deux indicateurs \u00e0 distinguer<\/span><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans Reportei, distinguez notamment \u00ab <strong>Somme de la couverture unique quotidienne<\/strong> \u00bb et \u00ab <strong>Couverture totale des 30 derniers jours<\/strong> \u00bb, lorsqu\u2019ils sont propos\u00e9s par l\u2019int\u00e9gration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La somme quotidienne additionne la couverture du jour 1, du jour 2, etc. Une personne touch\u00e9e plusieurs jours est compt\u00e9e plusieurs fois. Cette somme ne doit pas \u00eatre interpr\u00e9t\u00e9e comme la couverture unique d\u2019un intervalle arbitraire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019indicateur des 30 derniers jours, lorsqu\u2019il est fourni, compte les personnes uniques sur cette fen\u00eatre de 30 jours. Une personne n\u2019y est pas compt\u00e9e deux fois. Il ne permet pas de d\u00e9duire une couverture unique pour n\u2019importe quelle autre dur\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La somme quotidienne peut donc compter plusieurs fois la m\u00eame personne ; la couverture des 30 derniers jours est d\u00e9dupliqu\u00e9e sur sa fen\u00eatre propre. Consultez toujours la description de l\u2019indicateur et la p\u00e9riode effectivement prise en compte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Si vous avez des questions, contactez notre assistance.<\/em>&nbsp;=)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reportei collecte les donn\u00e9es par les API officielles des plateformes, chacune ayant ses propres possibilit\u00e9s et limites. Les chiffres Meta Ads proviennent de la Marketing API et doivent \u00eatre compar\u00e9s avec les m\u00eames comptes, p\u00e9riodes et param\u00e8tres dans le Gestionnaire. Sur les comptes organiques Instagram et Facebook, les limites de l\u2019API peuvent modifier le p\u00e9rim\u00e8tre [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"helpdesk_category":[4087],"helpie_tag":[],"helpie_add_tag":[],"helpie_up_tag":[],"class_list":["post-84814","pauple_helpie","type-pauple_helpie","status-publish","format-standard","hentry","helpdesk_category-rapports"],"_links":{"self":[{"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/pauple_helpie\/84814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/pauple_helpie"}],"about":[{"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/types\/pauple_helpie"}],"author":[{"embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/comments?post=84814"}],"version-history":[{"count":1,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/pauple_helpie\/84814\/revisions"}],"predecessor-version":[{"id":84817,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/pauple_helpie\/84814\/revisions\/84817"}],"wp:attachment":[{"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/media?parent=84814"}],"wp:term":[{"taxonomy":"helpdesk_category","embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/helpdesk_category?post=84814"},{"taxonomy":"helpie_tag","embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/helpie_tag?post=84814"},{"taxonomy":"helpie_add_tag","embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/helpie_add_tag?post=84814"},{"taxonomy":"helpie_up_tag","embeddable":true,"href":"https:\/\/reportei.com\/fr\/wp-json\/wp\/v2\/helpie_up_tag?post=84814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}