{"id":2761,"date":"2026-08-20T12:42:20","date_gmt":"2026-08-20T10:42:20","guid":{"rendered":"https:\/\/mairateam.com\/?post_type=glossary&#038;p=2761"},"modified":"2026-08-20T15:49:41","modified_gmt":"2026-08-20T13:49:41","slug":"holdout-test","status":"publish","type":"glossary","link":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/","title":{"rendered":"Holdout test"},"content":{"rendered":"<p><strong>Holdout test<\/strong> je experiment, p\u0159i kter\u00e9m se \u010d\u00e1sti publika reklama z\u00e1m\u011brn\u011b nezobrazuje. Testovac\u00ed skupina reklamu vid\u00ed, holdout skupina ne, a rozd\u00edl v n\u00e1kupn\u00edm chov\u00e1n\u00ed obou skupin ukazuje, kolik konverz\u00ed reklama skute\u010dn\u011b zp\u016fsobila a kolik by jich p\u0159i\u0161lo tak jako tak. Je to nej\u010dist\u0161\u00ed forma m\u011b\u0159en\u00ed inkrementality na \u00farovni publika.<\/p>\n<h2>V kostce<\/h2>\n<table>\n<tbody>\n<tr>\n<td><strong>Co to je<\/strong><\/td>\n<td>N\u00e1hodn\u011b vybran\u00e1 \u010d\u00e1st publika, kter\u00e1 reklamu nevid\u00ed, jako kontrola<\/td>\n<\/tr>\n<tr>\n<td><strong>Kde se pou\u017e\u00edv\u00e1<\/strong><\/td>\n<td>Konverzn\u00ed lift studie platforem, CRM kampan\u011b, retargeting, e-mailing<\/td>\n<\/tr>\n<tr>\n<td><strong>Co uk\u00e1\u017ee<\/strong><\/td>\n<td>Pod\u00edl konverz\u00ed, kter\u00e9 by vznikly i bez kampan\u011b<\/td>\n<\/tr>\n<tr>\n<td><strong>Podm\u00ednka platnosti<\/strong><\/td>\n<td>N\u00e1hodn\u00e9 rozd\u011blen\u00ed skupin. Jak\u00e9koli jin\u00e9 d\u011blen\u00ed v\u00fdsledek znehodnot\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Jak test prob\u00edh\u00e1<\/h2>\n<h3>Postup v p\u011bti kroc\u00edch<\/h3>\n<ol>\n<li><strong>Definice.<\/strong> P\u0159ed spu\u0161t\u011bn\u00edm se ur\u010d\u00ed publikum, kampa\u0148, sledovan\u00e1 metrika (objedn\u00e1vky nebo tr\u017eby na u\u017eivatele) a d\u00e9lka testu: jeden n\u00e1kupn\u00ed cyklus plus t\u00fdden na dob\u011bh konverz\u00ed.<\/li>\n<li><strong>N\u00e1hodn\u00e9 rozd\u011blen\u00ed.<\/strong> Publikum se rozd\u011bl\u00ed n\u00e1hodn\u011b, ne podle chov\u00e1n\u00ed ani podle toho, koho algoritmus oslovil. Holdout m\u00edv\u00e1 5 a\u017e 20 % publika: u velk\u00fdch publik sta\u010d\u00ed m\u00e9n\u011b, u men\u0161\u00edch mus\u00ed b\u00fdt v\u011bt\u0161\u00ed, aby v n\u011bm vzniklo dost konverz\u00ed.<\/li>\n<li><strong>B\u011bh testu.<\/strong> Testovac\u00ed skupina dost\u00e1v\u00e1 reklamu, holdout je z kampan\u011b vylou\u010den a po celou dobu se s n\u00edm nijak jinak nepracuje. Ostatn\u00ed kampan\u011b, ceny ani web se b\u011bhem testu nem\u011bn\u00ed.<\/li>\n<li><strong>M\u011b\u0159en\u00ed.<\/strong> V obou skupin\u00e1ch se po\u010d\u00edtaj\u00ed v\u0161echny konverze ze stejn\u00e9ho zdroje, z objedn\u00e1vkov\u00e9ho syst\u00e9mu nebo CRM, ne konverze p\u0159ipsan\u00e9 platformou. Srovn\u00e1v\u00e1 se konverzn\u00ed pom\u011br nebo tr\u017eby na u\u017eivatele, proto\u017ee skupiny maj\u00ed r\u016fznou velikost.<\/li>\n<li><strong>V\u00fdpo\u010det.<\/strong> Lift = (konverzn\u00ed pom\u011br testu minus konverzn\u00ed pom\u011br holdoutu) \/ konverzn\u00ed pom\u011br holdoutu. Inkrement\u00e1ln\u00ed konverze = konverze testu minus (u\u017eivatel\u00e9 testu \u00d7 konverzn\u00ed pom\u011br holdoutu). N\u00e1klady kampan\u011b d\u011blen\u00e9 inkrement\u00e1ln\u00edmi konverzemi daj\u00ed inkrement\u00e1ln\u00ed CPA.<\/li>\n<\/ol>\n<h3>Modelov\u00fd v\u00fdpo\u010det<\/h3>\n<p>Modelov\u00fd p\u0159\u00edklad: retargeting e-shopu na n\u00e1v\u0161t\u011bvn\u00edky za posledn\u00edch 30 dn\u00ed, \u010dty\u0159i t\u00fddny testu a t\u00fdden dob\u011bhu, holdout 10 %.<\/p>\n<table>\n<tbody>\n<tr>\n<td>Testovac\u00ed skupina<\/td>\n<td>180 000 u\u017eivatel\u016f, 7 560 objedn\u00e1vek, konverzn\u00ed pom\u011br 4,2 %<\/td>\n<\/tr>\n<tr>\n<td>Holdout<\/td>\n<td>20 000 u\u017eivatel\u016f, 720 objedn\u00e1vek, konverzn\u00ed pom\u011br 3,6 %<\/td>\n<\/tr>\n<tr>\n<td><strong>Lift = (4,2 minus 3,6) \/ 3,6<\/strong><\/td>\n<td><strong>16,7 %<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Inkrement\u00e1ln\u00ed objedn\u00e1vky = 7 560 minus (180 000 \u00d7 3,6 %)<\/td>\n<td>7 560 minus 6 480 = 1 080<\/td>\n<\/tr>\n<tr>\n<td>Platforma p\u0159ipsala 3 000 objedn\u00e1vek<\/td>\n<td>zp\u016fsoben\u00fdch 1 080 (36 %)<\/td>\n<\/tr>\n<tr>\n<td>N\u00e1klady 540 000 K\u010d<\/td>\n<td>p\u0159ipsan\u00e9 CPA 180 K\u010d, inkrement\u00e1ln\u00ed CPA 500 K\u010d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>P\u0159i pr\u016fm\u011brn\u00e9 mar\u017ei 450 K\u010d na objedn\u00e1vku vypadala kampa\u0148 podle reportu ziskov\u011b, podle testu ale ka\u017ed\u00e1 skute\u010dn\u011b zp\u016fsoben\u00e1 objedn\u00e1vka stoj\u00ed v\u00edc, ne\u017e vyd\u011bl\u00e1. \u0158e\u0161en\u00edm nen\u00ed kampa\u0148 vypnout, ale z\u00fa\u017eit publikum nebo sn\u00ed\u017eit rozpo\u010det a test po zm\u011bn\u011b zopakovat.<\/p>\n<h3>Kdy holdout nepou\u017e\u00edt<\/h3>\n<p>Holdout pot\u0159ebuje kontrolu nad t\u00edm, komu se reklama zobraz\u00ed, a dost konverz\u00ed v obou skupin\u00e1ch. Nehod\u00ed se proto ve t\u0159ech situac\u00edch. U mal\u00fdch publik, kde by holdout m\u011bl jen des\u00edtky konverz\u00ed: rozd\u00edl mezi skupinami pak zapadne do n\u00e1hodn\u00e9ho kol\u00eds\u00e1n\u00ed a test nic neprok\u00e1\u017ee. U kan\u00e1l\u016f, kde nejde vylou\u010dit konkr\u00e9tn\u00edho u\u017eivatele, tedy u vyhled\u00e1v\u00e1n\u00ed, offline m\u00e9di\u00ed nebo \u010d\u00e1sti programatiky: tam se pou\u017e\u00edv\u00e1 geo lift test, kter\u00fd m\u00edsto u\u017eivatel\u016f d\u011bl\u00ed regiony. A tam, kde holdout skupinu zasahuj\u00ed jin\u00e9 kampan\u011b se stejn\u00fdm sd\u011blen\u00edm: kontroln\u00ed skupina mus\u00ed b\u00fdt vylou\u010dena ze v\u0161ech, jinak se m\u011b\u0159en\u00fd efekt zmen\u0161\u00ed a kampa\u0148 vyjde h\u016f\u0159, ne\u017e ve skute\u010dnosti je.<\/p>\n<h2>Jak holdout funguje<\/h2>\n<p>Publikum se n\u00e1hodn\u011b rozd\u011bl\u00ed, obvykle v pom\u011bru 90 ku 10 nebo 80 ku 20. V\u011bt\u0161\u00ed \u010d\u00e1st reklamu vid\u00ed, men\u0161\u00ed ne. Po ust\u00e1len\u00e9m obdob\u00ed se porovn\u00e1 konverzn\u00ed pom\u011br obou skupin. Modelov\u00fd p\u0159\u00edklad: kdy\u017e konvertuje 5 procent testovac\u00ed skupiny a 4 procenta holdoutu, reklama zp\u016fsobila jen p\u011btinu p\u0159ipsan\u00fdch konverz\u00ed: zbytek by p\u0159i\u0161el s\u00e1m. P\u0159esn\u011b tento pom\u011br rozhoduje, jestli m\u00e1 kampa\u0148 smysl \u0161k\u00e1lovat, nebo j\u00ed rozpo\u010det sebrat.<\/p>\n<h2>Z na\u0161\u00ed praxe<\/h2>\n<p>Holdout je standardn\u00ed n\u00e1stroj tam, kde kampa\u0148 c\u00edl\u00ed na vlastn\u00ed publikum: retargeting a CRM. Pr\u00e1v\u011b tam b\u00fdv\u00e1 rozd\u00edl mezi p\u0159ipsan\u00fdm a zp\u016fsoben\u00fdm nejv\u011bt\u0161\u00ed, proto\u017ee kampa\u0148 c\u00edl\u00ed na lidi, kte\u0159\u00ed u\u017e byli na cest\u011b k n\u00e1kupu. V kombinaci s geo lift testy, kter\u00e9 pou\u017e\u00edv\u00e1me p\u0159es DiagnostIQ na cel\u00e9 kan\u00e1ly, d\u00e1v\u00e1 holdout obraz na \u00farovni publik: geo test odpov\u00edd\u00e1 na ot\u00e1zku, jestli funguje kan\u00e1l, holdout na ot\u00e1zku, jestli funguje konkr\u00e9tn\u00ed publikum.<\/p>\n<h2>\u010cast\u00e9 chyby<\/h2>\n<ul>\n<li><strong>Porovn\u00e1vat osloven\u00e9 s neosloven\u00fdmi bez randomizace.<\/strong> Lid\u00e9, kter\u00e9 algoritmus oslovil, jsou jin\u00ed ne\u017e ti, kter\u00e9 vynechal. Bez n\u00e1hodn\u00e9ho d\u011blen\u00ed je srovn\u00e1n\u00ed bezcenn\u00e9.<\/li>\n<li><strong>Mal\u00fd holdout na mal\u00e9m publiku.<\/strong> Kdy\u017e v kontroln\u00ed skupin\u011b konvertuj\u00ed jednotky lid\u00ed, v\u00fdsledek je \u0161um.<\/li>\n<li><strong>Kr\u00e1tk\u00e9 trv\u00e1n\u00ed.<\/strong> Efekt reklamy dob\u00edh\u00e1. Hodnot\u00ed se a\u017e po ust\u00e1len\u00ed, ne po t\u00fddnu.<\/li>\n<\/ul>\n<h2>\u010cast\u00e9 ot\u00e1zky<\/h2>\n<h3>Jak velk\u00fd m\u00e1 holdout b\u00fdt?<\/h3>\n<p>Obvykle 10 a\u017e 20 procent publika. Men\u0161\u00ed holdout \u0161et\u0159\u00ed dosah kampan\u011b, ale prodlu\u017euje dobu do pr\u016fkazn\u00e9ho v\u00fdsledku.<\/p>\n<h3>Nep\u0159ich\u00e1z\u00edm o tr\u017eby, kdy\u017e \u010d\u00e1sti lid\u00ed reklamu nezobraz\u00edm?<\/h3>\n<p>Do\u010dasn\u011b o \u010d\u00e1st p\u0159ich\u00e1z\u00edte, to je cena za informaci. Kdy\u017e test uk\u00e1\u017ee n\u00edzkou inkrementalitu, u\u0161et\u0159en\u00fd rozpo\u010det ji mnohon\u00e1sobn\u011b vr\u00e1t\u00ed.<\/p>\n<h3>Kde holdout ud\u011bl\u00e1m technicky?<\/h3>\n<p>Platformy nab\u00edzej\u00ed konverzn\u00ed lift studie, u CRM kampan\u00ed se holdout d\u011bl\u00e1 rozd\u011blen\u00edm seznamu p\u0159ed odesl\u00e1n\u00edm.<\/p>\n<h2>Kde v\u00e1m pom\u016f\u017eeme<\/h2>\n<p>Testy inkrementality navrhujeme a vyhodnocujeme v r\u00e1mci slu\u017eby <a href=\"https:\/\/mairateam.com\/cs\/vykonnostni-marketing\/\">V\u00fdkonnostn\u00ed marketing<\/a>.<\/p>\n<p><a href=\"https:\/\/mairateam.com\/cs\/slovnik\/\">Zp\u011bt na slovn\u00edk pojm\u016f<\/a><\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"glossary_category":[44],"class_list":["post-2761","glossary","type-glossary","status-publish","hentry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Maira Team\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Holdout test: kontroln\u00ed skupina bez reklamy\" \/>\n\t\t<meta property=\"og:description\" content=\"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1290\" \/>\n\t\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-08-20T10:42:20+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-08-20T13:49:41+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mairateam\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Holdout test: kontroln\u00ed skupina bez reklamy\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#listItem\",\"name\":\"Holdout test\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#listItem\",\"position\":2,\"name\":\"Holdout test\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#organization\",\"name\":\"MAIRA\",\"description\":\"MAIRA je performance marketingov\\u00e1 agentura ze skupiny Proficio Hub. Spravuje v\\u00edce ne\\u017e 52 mil. EUR ro\\u010dn\\u00edch rozpo\\u010dt\\u016f pro e-commerce, DTC a SaaS klienty nap\\u0159\\u00ed\\u010d Evropou.\",\"url\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/\",\"email\":\"info@mairateam.com\",\"telephone\":\"+420736241014\",\"foundingDate\":\"2025-01-01\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"value\":34},\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/mairateam.com\\\/wp-content\\\/uploads\\\/maira-logo-orange-background.jpg\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#organizationLogo\",\"width\":2048,\"height\":2048,\"caption\":\"Bright orange poster with very large dark green letters at the bottom spelling a word starting with 'MA...' and a smaller line below that reads 'Make It Rain' (partial view).\"},\"image\":{\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.instagram.com\\\/maira.team\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/mairateam\\\/\",\"https:\\\/\\\/clutch.co\\\/profile\\\/maira\",\"https:\\\/\\\/www.facebook.com\\\/mairateam\"]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#webpage\",\"url\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/\",\"name\":\"Holdout test: kontroln\\u00ed skupina bez reklamy\",\"description\":\"\\u010c\\u00e1st publika reklamu nevid\\u00ed a rozd\\u00edl v chov\\u00e1n\\u00ed uk\\u00e1\\u017ee skute\\u010dn\\u00fd efekt. Kde holdout nasadit a jak\\u00e9 chyby ho znehodnot\\u00ed.\",\"inLanguage\":\"cs-CZ\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/slovnik\\\/holdout-test\\\/#breadcrumblist\"},\"datePublished\":\"2026-08-20T12:42:20+02:00\",\"dateModified\":\"2026-08-20T15:49:41+02:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#website\",\"url\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/\",\"name\":\"MAIRA\",\"alternateName\":\"MAIRA Team\",\"inLanguage\":\"cs-CZ\",\"publisher\":{\"@id\":\"https:\\\/\\\/mairateam.com\\\/cs\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO Pro -->\r\n\t\t<title>Holdout test: kontroln\u00ed skupina bez reklamy<\/title>\n\n","aioseo_head_json":{"title":"Holdout test: kontroln\u00ed skupina bez reklamy","description":"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.","canonical_url":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/mairateam.com\/cs\/#listItem","position":1,"name":"Home","item":"https:\/\/mairateam.com\/cs\/","nextItem":{"@type":"ListItem","@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#listItem","name":"Holdout test"}},{"@type":"ListItem","@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#listItem","position":2,"name":"Holdout test","previousItem":{"@type":"ListItem","@id":"https:\/\/mairateam.com\/cs\/#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/mairateam.com\/cs\/#organization","name":"MAIRA","description":"MAIRA je performance marketingov\u00e1 agentura ze skupiny Proficio Hub. Spravuje v\u00edce ne\u017e 52 mil. EUR ro\u010dn\u00edch rozpo\u010dt\u016f pro e-commerce, DTC a SaaS klienty nap\u0159\u00ed\u010d Evropou.","url":"https:\/\/mairateam.com\/cs\/","email":"info@mairateam.com","telephone":"+420736241014","foundingDate":"2025-01-01","numberOfEmployees":{"@type":"QuantitativeValue","value":34},"logo":{"@type":"ImageObject","url":"https:\/\/mairateam.com\/wp-content\/uploads\/maira-logo-orange-background.jpg","@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#organizationLogo","width":2048,"height":2048,"caption":"Bright orange poster with very large dark green letters at the bottom spelling a word starting with 'MA...' and a smaller line below that reads 'Make It Rain' (partial view)."},"image":{"@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#organizationLogo"},"sameAs":["https:\/\/www.instagram.com\/maira.team\/","https:\/\/www.linkedin.com\/company\/mairateam\/","https:\/\/clutch.co\/profile\/maira","https:\/\/www.facebook.com\/mairateam"]},{"@type":"WebPage","@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#webpage","url":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/","name":"Holdout test: kontroln\u00ed skupina bez reklamy","description":"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.","inLanguage":"cs-CZ","isPartOf":{"@id":"https:\/\/mairateam.com\/cs\/#website"},"breadcrumb":{"@id":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/#breadcrumblist"},"datePublished":"2026-08-20T12:42:20+02:00","dateModified":"2026-08-20T15:49:41+02:00"},{"@type":"WebSite","@id":"https:\/\/mairateam.com\/cs\/#website","url":"https:\/\/mairateam.com\/cs\/","name":"MAIRA","alternateName":"MAIRA Team","inLanguage":"cs-CZ","publisher":{"@id":"https:\/\/mairateam.com\/cs\/#organization"}}]},"og:locale":"cs_CZ","og:site_name":"Maira Team","og:type":"article","og:title":"Holdout test: kontroln\u00ed skupina bez reklamy","og:description":"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.","og:url":"https:\/\/mairateam.com\/cs\/slovnik\/holdout-test\/","og:image":"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg","og:image:secure_url":"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg","og:image:width":1290,"og:image:height":600,"article:published_time":"2026-08-20T10:42:20+00:00","article:modified_time":"2026-08-20T13:49:41+00:00","article:publisher":"https:\/\/www.facebook.com\/mairateam","twitter:card":"summary","twitter:title":"Holdout test: kontroln\u00ed skupina bez reklamy","twitter:description":"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.","twitter:image":"https:\/\/mairateam.com\/wp-content\/uploads\/social.jpg"},"aioseo_meta_data":{"post_id":"2761","title":"Holdout test: kontroln\u00ed skupina bez reklamy","description":"\u010c\u00e1st publika reklamu nevid\u00ed a rozd\u00edl v chov\u00e1n\u00ed uk\u00e1\u017ee skute\u010dn\u00fd efekt. Kde holdout nasadit a jak\u00e9 chyby ho znehodnot\u00ed.","keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-08-20 14:10:05","breadcrumb_settings":null,"limit_modified_date":false,"open_ai":null,"created":"2026-08-14 08:19:35","updated":"2026-08-20 14:10:05","ai":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"_links":{"self":[{"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/glossary\/2761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/glossary\/2761\/revisions"}],"predecessor-version":[{"id":3180,"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/glossary\/2761\/revisions\/3180"}],"wp:attachment":[{"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/media?parent=2761"}],"wp:term":[{"taxonomy":"glossary_category","embeddable":true,"href":"https:\/\/mairateam.com\/cs\/wp-json\/wp\/v2\/glossary_category?post=2761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}