{"id":6787,"date":"2023-06-12T10:19:43","date_gmt":"2023-06-12T08:19:43","guid":{"rendered":"https:\/\/tech4access.com\/?p=6787"},"modified":"2023-09-12T16:39:14","modified_gmt":"2023-09-12T14:39:14","slug":"erreurs-plus-courantes-accessibilite-web","status":"publish","type":"post","link":"https:\/\/tech4access.com\/fr\/erreurs-plus-courantes-accessibilite-web\/","title":{"rendered":"Quelles sont les erreurs les plus courantes en mati\u00e8re d&rsquo;accessibilit\u00e9 web et comment les d\u00e9tecter?"},"content":{"rendered":"\n<p>Les <strong>erreurs d&rsquo;accessibilit\u00e9 web font qu&rsquo;un groupe important de la soci\u00e9t\u00e9 perd le droit d&rsquo;acc\u00e9der \u00e0 l&rsquo;information ou aux services<\/strong>, qu&rsquo;ils soient publics ou priv\u00e9s, disponibles sur Internet. C&rsquo;est un <strong>probl\u00e8me qui porte atteinte \u00e0 l&rsquo;\u00e9galit\u00e9 et \u00e0 l&rsquo;\u00e9quit\u00e9 des personnes<\/strong>, ainsi qu&rsquo;au <strong>droit fondamental de rester inform\u00e9<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Ces types d&rsquo;erreurs ne peuvent pas \u00eatre ignor\u00e9s, car il <strong>est n\u00e9cessaire de les r\u00e9soudre pour assurer le respect de la conformit\u00e9 avec le<\/strong> <a href=\"https:\/\/accessibilite.numerique.gouv.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">R\u00e9f\u00e9rentiel G\u00e9n\u00e9ral d&rsquo;Accessibilit\u00e9 pour les Administrations (RGAA)<\/a>, <strong>qui est la norme de certification pour les sites web publics en France<\/strong>. Celui-ci d\u00e9crit les exigences que les sites web doivent respecter pour \u00eatre en conformit\u00e9 avec les lois num\u00e9riques.<\/p>\n\n\n\n<p>Il est important de se rappeler que <strong>le RGAA d\u00e9coule de la Loi N\u00b0 2005-102, dont l&rsquo;objectif est de garantir l&rsquo;acc\u00e8s aux outils informatiques \u00e0 tous les utilisateurs<\/strong>, en particulier aux personnes handicap\u00e9es.<\/p>\n\n\n\n<p>Parfois, ces erreurs surviennent parce que les d\u00e9veloppeurs et les concepteurs ne tiennent pas compte des <strong>recommandations et des normes d&rsquo;accessibilit\u00e9 web du<\/strong> <a href=\"https:\/\/www.w3.org\/WAI\/standards-guidelines\/wcag\/glance\/fr\" target=\"_blank\" rel=\"noreferrer noopener\">World Wide Web Consortium (W3C)<\/a> lorsqu&rsquo;ils d\u00e9veloppent leur site web ou leur application mobile. <strong>En g\u00e9n\u00e9ral, il existe une fausse croyance selon laquelle l&rsquo;accessibilit\u00e9 web est un travail qui offre peu de b\u00e9n\u00e9fices<\/strong>, en plus d&rsquo;\u00eatre complexe, et qu&rsquo;il ne vaut pas la peine de la prendre en consid\u00e9ration lors du d\u00e9veloppement du site web, ce qui entra\u00eene un probl\u00e8me plus grave par la suite.<\/p>\n\n\n\n<p>\u00c0 ce stade, <strong>il est important de sensibiliser la communaut\u00e9 au fait que le d\u00e9veloppement d&rsquo;un site web accessible n&rsquo;entra\u00eene pas de pertes<\/strong>. En tenant compte de certains points \u00e0 diff\u00e9rentes \u00e9tapes du d\u00e9veloppement du projet, vous \u00e9viterez de corriger les erreurs d&rsquo;accessibilit\u00e9 web en cours de route, qui finiront par nous faire travailler deux fois plus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Voici les erreurs d&rsquo;accessibilit\u00e9 web que vous devez \u00e9viter<\/h2>\n\n\n\n<p>Afin que vous restiez attentif au <strong>bon fonctionnement de votre site web<\/strong>, et en tenant toujours compte de l&rsquo;accessibilit\u00e9, <strong>nous avons \u00e9num\u00e9r\u00e9 certaines des erreurs d&rsquo;accessibilit\u00e9 web les plus courantes que vous devez \u00e9viter:<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contenus visuels sans textes alternatifs<\/h2>\n\n\n\n<p>Comme les lecteurs d&rsquo;\u00e9cran ne peuvent pas <strong>interpr\u00e9ter les images<\/strong> pour d\u00e9terminer ce qu&rsquo;elles repr\u00e9sentent,<strong> il faut utiliser le texte alternatif pour que cette action soit possible<\/strong>.<\/p>\n\n\n\n<p>C&rsquo;est pourquoi <strong>les balises ALT doivent toujours \u00eatre pr\u00e9sentes dans les supports visuels informatifs<\/strong>. En appliquant des textes descriptifs courts et concis qui expliquent le contenu de l&rsquo;image.<\/p>\n\n\n\n<p>Mettez votre site web \u00e0 l&rsquo;\u00e9preuve, osez utiliser un lecteur d&rsquo;\u00e9cran pour entendre comment le font les autres utilisateurs. Si votre contenu, y <strong>compris les vid\u00e9os, les images et les pr\u00e9sentations, n&rsquo;est pas accompagn\u00e9 d&rsquo;un texte descriptif, une grande partie de votre contenu ne sera pas accessible<\/strong> \u00e0 un nombre important d&rsquo;utilisateurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Structure et hi\u00e9rarchie claire inexistantes<\/h2>\n\n\n\n<p>Il est tr\u00e8s important de pouvoir <strong>\u00e9tablir des structures et des hi\u00e9rarchies de contenu qui permettent aux utilisateurs de naviguer de mani\u00e8re optimale<\/strong> sur le site web, car cela leur indiquera constamment o\u00f9 ils se trouvent sur le site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Utilisation de raccourcis clavier personnalis\u00e9s<\/h2>\n\n\n\n<p>Bien que ces raccourcis puissent aider les utilisateurs qui se sentent \u00e0 l&rsquo;aise pour naviguer uniquement avec le clavier, ils <strong>peuvent \u00e9galement causer des probl\u00e8mes qui affectent directement l&rsquo;accessibilit\u00e9<\/strong>. Essayez d&rsquo;\u00e9viter leur utilisation \u00e0 tout prix.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"847\" height=\"565\" src=\"https:\/\/tech4access.com\/wp-content\/uploads\/2023\/09\/errores-mas-comunes-accesibilidad-web-1.jpg\" alt=\"Les erreurs les plus courantes en mati\u00e8re d'accessibilit\u00e9 au web\" class=\"wp-image-6791\" srcset=\"https:\/\/tech4access.com\/wp-content\/uploads\/2023\/09\/errores-mas-comunes-accesibilidad-web-1.jpg 847w, https:\/\/tech4access.com\/wp-content\/uploads\/2023\/09\/errores-mas-comunes-accesibilidad-web-1-300x200.jpg 300w, https:\/\/tech4access.com\/wp-content\/uploads\/2023\/09\/errores-mas-comunes-accesibilidad-web-1-768x512.jpg 768w\" sizes=\"(max-width: 847px) 100vw, 847px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Mauvaise optimisation des contenus \u00e9crits<\/h2>\n\n\n\n<p><strong>Il faut toujours garder \u00e0 l&rsquo;esprit qu&rsquo;une mauvaise structure des textes affecte l&rsquo;accessibilit\u00e9<\/strong>, c&rsquo;est pourquoi nous devons mettre en \u0153uvre des actions pour rendre ces textes faciles \u00e0 scanner. Comme l&rsquo;utilisation de<strong> sous-titres descriptifs ou d&rsquo;un langage simple et clair<\/strong>, qui b\u00e9n\u00e9ficie \u00e9galement de <strong>supports visuels<\/strong> qui facilitent la lecture sur les \u00e9crans.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ne pas tenir compte de l\u2019existence de nombreux types de handicap<\/h2>\n\n\n\n<p>Gardez \u00e0 l&rsquo;esprit que l&rsquo;accessibilit\u00e9 web ne b\u00e9n\u00e9ficie pas seulement \u00e0 un groupe de personnes avec un handicap sp\u00e9cifique. Par cons\u00e9quent, l&rsquo; <strong>optimisation ne doit jamais \u00eatre con\u00e7ue uniquement pour un type de handicap<\/strong>, bien au contraire, toutes les recommandations et normes d&rsquo;accessibilit\u00e9 web du W3C doivent \u00eatre suivies pour s&rsquo;assurer que votre site web est <strong>enti\u00e8rement accessible \u00e0 toutes les personnes<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c9tablir des hi\u00e9rarchies en utilisant uniquement une couleur<\/h2>\n\n\n\n<p>Certains utilisateurs ont des <strong>difficult\u00e9s \u00e0 distinguer les couleurs<\/strong>, c&rsquo;est pourquoi si vous utilisez une seule couleur ou de nombreuses nuances de la m\u00eame couleur, vous pourriez contribuer \u00e0 leur d\u00e9sorientation. Vous devez donc vous assurer d&rsquo;utiliser <strong>un contraste et des indicateurs compl\u00e9mentaires qui permettent de mettre en \u00e9vidence la hi\u00e9rarchie<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment rejoindre l&rsquo;accessibilit\u00e9 web pour \u00e9viter de tomber dans ces erreurs?<\/h2>\n\n\n\n<p>La premi\u00e8re <strong>chose est de prendre conscience des diff\u00e9rents besoins des personnes handicap\u00e9es et des personnes \u00e2g\u00e9es<\/strong>, afin de pouvoir <strong>appliquer au mieux les recommandations et normes d&rsquo;accessibilit\u00e9 web du W3C.<\/strong> Ainsi, l&rsquo;optimisation en mati\u00e8re d&rsquo;accessibilit\u00e9 web deviendra un travail simple qui apportera de nombreux avantages \u00e0 votre projet web.<\/p>\n\n\n\n<p>Gardez toujours \u00e0 l&rsquo;esprit qu&rsquo;un <strong>site web accessible garantira que tous les utilisateurs, handicap\u00e9s ou non, pourront b\u00e9n\u00e9ficier de l&rsquo;acc\u00e8s aux contenus et services<\/strong>, ce qui attirera plus de trafic et de diffusion, qui \u00e0 son tour deviendra la plus grande r\u00e9compense des efforts d\u00e9ploy\u00e9s.<\/p>\n\n\n\n<p>Il existe \u00e9galement <strong>des outils automatis\u00e9s qui permettent de d\u00e9tecter les erreurs d&rsquo;accessibilit\u00e9 de votre site web<\/strong>. Mais sans une supervision de celles-ci par une <strong>\u00e9quipe technique experte en accessibilit\u00e9<\/strong>, il est tr\u00e8s difficile de les r\u00e9soudre de mani\u00e8re efficace et de vous assurer que vous respectez la r\u00e9glementation en vigueur.<\/p>\n\n\n\n<p>Si vous <strong>pensez toujours avoir besoin d&rsquo;un guide plus d\u00e9taill\u00e9 des actions \u00e0 mettre en \u0153uvre pour d\u00e9tecter les erreurs d&rsquo;accessibilit\u00e9 web<\/strong> qui peuvent avoir un impact n\u00e9gatif sur la performance de votre site, n&rsquo;h\u00e9sitez pas \u00e0 nous contacter sans aucun engagement.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-cyan-blue-background-color has-background wp-element-button\" href=\"https:\/\/tech4access.com\/fr\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contactez nous !<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les erreurs d&rsquo;accessibilit\u00e9 web font qu&rsquo;un groupe important de la soci\u00e9t\u00e9 perd le droit d&rsquo;acc\u00e9der \u00e0 l&rsquo;information ou aux services, qu&rsquo;ils soient publics ou priv\u00e9s, disponibles sur Internet. C&rsquo;est un probl\u00e8me qui porte atteinte \u00e0 l&rsquo;\u00e9galit\u00e9 et \u00e0 l&rsquo;\u00e9quit\u00e9 des personnes, ainsi qu&rsquo;au droit fondamental de rester inform\u00e9.&nbsp; Ces types d&rsquo;erreurs ne peuvent pas \u00eatre [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":6790,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[77,79],"tags":[],"class_list":["post-6787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accessibilite-web","category-optimisation-web","entry","has-media"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.4 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Quelles sont les erreurs les plus courantes en mati\u00e8re d&#039;accessibilit\u00e9 du web et comment les d\u00e9tecter?<\/title>\n<meta name=\"description\" content=\"Ces erreurs doivent \u00eatre corrig\u00e9es pour assurer la conformit\u00e9 avec le d\u00e9cret royal 1112\/2018. 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