{"id":578,"date":"2026-10-22T10:00:00","date_gmt":"2026-10-22T10:00:00","guid":{"rendered":"https:\/\/zydeno.com\/?p=578"},"modified":"2026-10-22T10:00:00","modified_gmt":"2026-10-22T10:00:00","slug":"pourquoi-ne-realisons-nous-pas-de-tests-a-b","status":"publish","type":"post","link":"https:\/\/zydeno.com\/fr\/pourquoi-ne-realisons-nous-pas-de-tests-a-b\/","title":{"rendered":"Pourquoi nous ne r\u00e9alisons pas de tests A\/B"},"content":{"rendered":"<p>Les tests A\/B sont cens\u00e9s constituer la m\u00e9thode la plus rationnelle pour prendre des d\u00e9cisions concernant un produit : lancer deux variantes, \u00e9valuer celle qui donne les meilleurs r\u00e9sultats, puis conserver la plus performante. Cela ressemble \u00e0 de la science. Mais ce n'en est souvent pas.<\/p>\n<h2>Les probl\u00e8mes auxquels nous \u00e9tions sans cesse confront\u00e9s<\/h2>\n<p>La plupart des tests A\/B men\u00e9s \u00e0 notre \u00e9chelle ont une puissance statistique insuffisante pour \u00eatre pertinents. Les tests qui <em>sont<\/em> les ex\u00e9cutions sont suffisamment longues pour que d\u2019autres \u00e9l\u00e9ments de l\u2019application ou du monde changent en arri\u00e8re-plan, ce qui fausse le r\u00e9sultat. Et l\u2019indicateur que vous mesurez n\u2019est presque jamais celui qui vous int\u00e9resse r\u00e9ellement : vous optimisez pour les clics parce que les clics sont quantifiables, tandis que ce que vous recherchiez au fond (la confiance, la fid\u00e9lisation, les pr\u00e9f\u00e9rences) d\u00e9rive dans une direction que vous n\u2019avez jamais mesur\u00e9e.<\/p>\n<h2>Ce que nous faisons \u00e0 la place<\/h2>\n<p>Nous concevons deux options, choisissons celle qui refl\u00e8te le mieux la nature de l'application, la lan\u00e7ons en toute confiance, puis \u00e9coutons attentivement ce que nous r\u00e9v\u00e8lent les avis et les tickets d'assistance au cours des six semaines suivantes. Nous sommes pr\u00eats \u00e0 nous tromper parfois, \u00e0 condition de ne pas devoir \u00eatre statistiquement s\u00fbrs de tout \u00e0 tout moment.<\/p>\n<p>C'est plus lent d'un certain point de vue, mais plus rapide \u00e0 tous les autres \u00e9gards.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une position controvers\u00e9e sur une pratique tr\u00e8s appr\u00e9ci\u00e9e \u2014 expliqu\u00e9e en toute bonne foi.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-578","post","type-post","status-publish","format-standard","hentry","category-journal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v22.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why we don&rsquo;t run A\/B tests - Zydeno Studio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zydeno.com\/fr\/pourquoi-ne-realisons-nous-pas-de-tests-a-b\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why we don&rsquo;t run A\/B tests\" \/>\n<meta property=\"og:description\" content=\"A controversial position on a beloved practice \u2014 explained in good faith.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zydeno.com\/fr\/pourquoi-ne-realisons-nous-pas-de-tests-a-b\/\" \/>\n<meta property=\"og:site_name\" content=\"Zydeno Studio\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-22T10:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zydeno.com\/wp-content\/uploads\/2026\/10\/zydeno-social.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Andrii Matiushev\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Andrii Matiushev\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/\"},\"author\":{\"name\":\"Andrii Matiushev\",\"@id\":\"https:\/\/zydeno.com\/#\/schema\/person\/1af4d0e254f05b407f306ede28252259\"},\"headline\":\"Why we don&rsquo;t run A\/B tests\",\"datePublished\":\"2026-10-22T10:00:00+00:00\",\"dateModified\":\"2026-10-22T10:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/\"},\"wordCount\":200,\"publisher\":{\"@id\":\"https:\/\/zydeno.com\/#organization\"},\"articleSection\":[\"Journal\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/\",\"url\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/\",\"name\":\"Why we don&rsquo;t run A\/B tests - Zydeno Studio\",\"isPartOf\":{\"@id\":\"https:\/\/zydeno.com\/#website\"},\"datePublished\":\"2026-10-22T10:00:00+00:00\",\"dateModified\":\"2026-10-22T10:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zydeno.com\/why-we-dont-run-a-b-tests\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/zydeno.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Why we don&rsquo;t run A\/B tests\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/zydeno.com\/#website\",\"url\":\"https:\/\/zydeno.com\/\",\"name\":\"Zydeno Studio\",\"description\":\"Zydeno is an indie studio designing apps across many categories \u2014 united by a shared obsession with craft and detail. 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