{"id":119,"date":"2005-10-26T03:40:35","date_gmt":"2005-10-26T08:40:35","guid":{"rendered":"http:\/\/www.ikiru.ch\/blog\/?p=119"},"modified":"2020-03-23T09:30:00","modified_gmt":"2020-03-23T14:30:00","slug":"statistiques-tromperies-et-arnaques","status":"publish","type":"post","link":"https:\/\/www.jcvignoli.com\/blog\/2005\/statistiques-tromperies-et-arnaques","title":{"rendered":"Statistiques web : tromperies et arnaques"},"content":{"rendered":"<p>On fait dire tout et n&rsquo;importe quoi \u00e0 des chiffres, ce n&rsquo;est pas exactement la d\u00e9couverte de la pierre de rosette que j&rsquo;ai trouv\u00e9 l\u00e0.<\/p>\n<p>J&rsquo;ai n\u00e9anmoins le sentiment que l&rsquo;on accorde, plus encore sur internet, une cr\u00e9dibilit\u00e9 cr\u00e9dule aux statistiques de fr\u00e9quentation web. Beaucoup s&rsquo;amusent \u00e0 d\u00e9velopper des algorithmes pour calculer <a title=\"How Much Is My Blog Worth?\" href=\"http:\/\/www.business-opportunities.biz\/projects\/how-much-is-your-blog-worth\/\">combien vaut votre blog<\/a>, bas\u00e9s sur le nombre de r\u00e9ponses \u00e0 des articles d&rsquo;un blog (le mien ne vaut pas grandchose, est-il besoin de le pr\u00e9ciser). Des sites sur <a href=\"http:\/\/www.webrankinfo.com\">comment r\u00e9f\u00e9rencer son site<\/a> sont n\u00e9s. Bref, en fonctions des statistiques que vous pouvez fournir, vous voil\u00e0 un milionnaire potentiel.<\/p>\n<p>Mais il faut raison garder : ces statistiques, c&rsquo;est des statistiques. Plus encore qu&rsquo;en sociologie, elles sont d\u00e9pendantes des outils utilis\u00e9s. Oui, beaucoup plus m\u00eame : pour vous en convaincre, voyez plut\u00f4t les deux outils statistiques que j&rsquo;ai eu l&rsquo;occasion de r\u00e9cemment tester.<\/p>\n<p><a href=\"https:\/\/www.jcvignoli.com\/blog\/wp-content\/uploads\/stats-infomaniak.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2059 size-thumbnail\" src=\"https:\/\/www.jcvignoli.com\/blog\/wp-content\/uploads\/stats-infomaniak-150x150.png\" alt=\"statistiques infomaniak\" width=\"150\" height=\"150\" \/><\/a>Le premier, fournit gratuitement par mon <em>host provider<\/em>, est <a title=\"home of webalizer\" href=\"https:\/\/web.archive.org\/web\/20120424203622\/http:\/\/www.mrunix.net:80\/webalizer\/\">webalizer<\/a>. C&rsquo;est un vieil outil, plus mis \u00e0 jour depuis pr\u00e8s de 3 ans, et qui m&rsquo;indique sans sourciller 2700 visites en aditionnant les 21 et 22 octobre 2005. Lorsque j&rsquo;ai vu ces chiffres la premi\u00e8re fois, j&rsquo;ai compris que quelque chose clochait.[newline]<\/p>\n<p><a href=\"https:\/\/www.jcvignoli.com\/blog\/wp-content\/uploads\/stats-awstats.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-2058 size-thumbnail\" src=\"https:\/\/www.jcvignoli.com\/blog\/wp-content\/uploads\/stats-awstats-150x150.png\" alt=\"statistiques awstats\" width=\"150\" height=\"150\" \/><\/a>C&rsquo;est pourquoi j&rsquo;ai install\u00e9 un autre logiciel de statistiques \u00e9prouv\u00e9, auquel j&rsquo;\u00e9tais habitu\u00e9 depuis quelques ann\u00e9es : <a title=\"home of awstats, standing for advanced web statistics\" href=\"http:\/\/awstats.sourceforge.net\">Awstats<\/a>. Statistiques d\u00e9taill\u00e9es, possiblit\u00e9s de configuration tr\u00e8s larges, je l&rsquo;utilisais d\u00e9j\u00e0 pour quelques sites h\u00e9berg\u00e9s sur mon PC. Et c&rsquo;est gr\u00e2ce \u00e0 lui que j&rsquo;ai pu prendre connaissance du v\u00e9ritable nombre de visiteurs : un chiffre 2 fois et demi inf\u00e9rieur \u00e0 celui fournit par webalizer.[newline]<\/p>\n<p>Sans rentrer dans les d\u00e9tails techniques, il y a une foule de mani\u00e8re de compter un visiteur : un \u00ab\u00a0hit\u00a0\u00bb (une demande d&rsquo;un fichier, d&rsquo;une image, d&rsquo;un script, etc), un temps de visite (tr\u00e8s modulable), une inscription (via un cookie, une session). Les m\u00e9thodes de recensement sont multiples, et hormis la derni\u00e8re, aucune n&rsquo;est vraiment fiable. Le hic, c&rsquo;est que tout le monde ne s&rsquo;enregistre pas sur un site, ou tous les utilisateurs n&rsquo;acceptent pas les cookies. Conclusion : il n&rsquo;existe pas de m\u00e9thode cr\u00e9dible de recensement de visites. Ce ne sont que de vagues estimation, variant selon l&rsquo;outil utilis\u00e9, les connaissances techniques du webmaster, et la bonne foi de celui-ci (qui peut tricher).<\/p>\n<p>Ne vous faites pas avoir par de grandiloquantes statistiques.<\/p>\n<div class=\"pld-like-dislike-wrap pld-template-1\">\r\n    <div class=\"pld-like-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-like-trigger pld-like-dislike-trigger  \" title=\"Super article!\" data-post-id=\"119\" data-trigger-type=\"like\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                        <i class=\"fas fa-thumbs-up\"><\/i>\r\n                <\/a>\r\n    <span class=\"pld-like-count-wrap pld-count-wrap\">0    <\/span>\r\n<\/div><div class=\"pld-dislike-wrap  pld-common-wrap\">\r\n    <a href=\"javascript:void(0)\" class=\"pld-dislike-trigger pld-like-dislike-trigger  \" title=\"Pas terrible...\" data-post-id=\"119\" data-trigger-type=\"dislike\" data-restriction=\"cookie\" data-already-liked=\"0\">\r\n                        <i class=\"fas fa-thumbs-down\"><\/i>\r\n                <\/a>\r\n    <span class=\"pld-dislike-count-wrap pld-count-wrap\">0<\/span>\r\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>On fait dire tout et n&rsquo;importe quoi \u00e0 des chiffres, ce n&rsquo;est pas exactement la d\u00e9couverte de la pierre de rosette que j&rsquo;ai trouv\u00e9 l\u00e0. J&rsquo;ai n\u00e9anmoins le sentiment que l&rsquo;on accorde, plus encore sur internet, une cr\u00e9dibilit\u00e9 cr\u00e9dule aux statistiques de fr\u00e9quentation web. Beaucoup s&rsquo;amusent \u00e0 d\u00e9velopper des algorithmes pour calculer combien vaut votre [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","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":"","ocean_custom_header_template":"","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":"","ocean_menu_typo_font_family":"","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":"","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":"on","ocean_gallery_id":[],"footnotes":""},"categories":[4,12],"tags":[91,1441,93,92,90],"class_list":["post-119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-informatique","tag-awstats","tag-blog","tag-business","tag-statistiques","tag-webalizer","entry","has-media"],"aioseo_notices":[],"language":"fr","_links":{"self":[{"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/posts\/119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":0,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/posts\/119\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/media\/2058"}],"wp:attachment":[{"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/media?parent=119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/categories?post=119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jcvignoli.com\/blog\/wp-json\/wp\/v2\/tags?post=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}