{"id":12811,"date":"2010-07-26T09:24:01","date_gmt":"2010-07-26T07:24:01","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/?p=12811"},"modified":"2011-09-28T10:01:38","modified_gmt":"2011-09-28T08:01:38","slug":"on-browser-compatibility","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/","title":{"rendered":"On browser compatibility"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>Here is a quote for you <a href=\"http:\/\/diveintohtml5.org\/semantics.html\">on browser compatibility<\/a> from an excellent book <a href=\"http:\/\/diveintohtml5.org\/\">Diving Into HTML 5<\/a>, which is available online.<\/p>\n<blockquote><p>The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk about the crazy shit that Internet Explorer 8 does to switch between its four \u2014 four! \u2014 different rendering modes.\u00a0<a href=\"http:\/\/hsivonen.iki.fi\/doctype\/ie8-mode.png\">Here\u2019s a flowchart<\/a>. Kill it. Kill it with fire.<\/p><\/blockquote>\n<p>And just in the flowchart link will break anytime soon, here is a copy of the image.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"12815\" data-permalink=\"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/ie8-mode-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?fit=1312%2C1095&amp;ssl=1\" data-orig-size=\"1312,1095\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"ie8-mode\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?fit=660%2C550&amp;ssl=1\" class=\"aligncenter size-medium wp-image-12815\" title=\"ie8-mode\" src=\"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1-500x417.png?resize=500%2C417&#038;ssl=1\" alt=\"\" width=\"500\" height=\"417\" srcset=\"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?resize=500%2C417&amp;ssl=1 500w, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?resize=1024%2C854&amp;ssl=1 1024w, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?resize=160%2C133&amp;ssl=1 160w, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?resize=75%2C62&amp;ssl=1 75w, https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2010\/07\/ie8-mode1.png?w=1312&amp;ssl=1 1312w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>Here is a quote for you on browser compatibility from an excellent book Diving Into HTML 5, which is available online. The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">On browser compatibility<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,62,1334],"tags":[20,1190,1157],"keyring_services":[],"class_list":["post-12811","post","type-post","status-publish","format-standard","hentry","category-general","category-technology","category-web-work","tag-browsers","tag-html","tag-web-design"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Here is a quote for you on browser compatibility from an excellent book Diving Into HTML 5, which is available online. The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Leonid Mamchenkov\"\/>\n\t<meta name=\"google-site-verification\" content=\"VHvdD0_usx1_4DzKy_QCVcICVgX2EgA2ybELT-wl7kQ\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Leonid Mamchenkov - Life, universe, and everything else\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"On browser compatibility - Leonid Mamchenkov\" \/>\n\t\t<meta property=\"og:description\" content=\"Here is a quote for you on browser compatibility from an excellent book Diving Into HTML 5, which is available online. The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2010-07-26T07:24:01+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2011-09-28T08:01:38+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MamchenkovBlog\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@mamchenkov\" \/>\n\t\t<meta name=\"twitter:title\" content=\"On browser compatibility - Leonid Mamchenkov\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Here is a quote for you on browser compatibility from an excellent book Diving Into HTML 5, which is available online. The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@mamchenkov\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/mamchenkov.net\\\/wordpress\\\/2010\\\/07\\\/26\\\/on-browser-compatibility\\\/#blogposting\",\"name\":\"On browser compatibility - Leonid Mamchenkov\",\"headline\":\"On browser 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The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/mamchenkov.net\/wordpress\/#website"},"breadcrumb":{"@id":"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/#breadcrumblist"},"author":{"@id":"https:\/\/mamchenkov.net\/wordpress\/author\/leonid\/#author"},"creator":{"@id":"https:\/\/mamchenkov.net\/wordpress\/author\/leonid\/#author"},"datePublished":"2010-07-26T09:24:01+02:00","dateModified":"2011-09-28T10:01:38+02:00"},{"@type":"WebSite","@id":"https:\/\/mamchenkov.net\/wordpress\/#website","url":"https:\/\/mamchenkov.net\/wordpress\/","name":"Blog of Leonid Mamchenkov","description":"Life, universe, and everything else","inLanguage":"en-US","publisher":{"@id":"https:\/\/mamchenkov.net\/wordpress\/#person"}}]},"og:locale":"en_US","og:site_name":"Leonid Mamchenkov - Life, universe, and everything else","og:type":"article","og:title":"On browser compatibility - Leonid Mamchenkov","og:description":"Here is a quote for you on browser compatibility from an excellent book Diving Into HTML 5, which is available online. 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The last time I tried to count, there were 5 doctypes that triggered \u201calmost standards mode,\u201d and 73 that triggered \u201cquirks mode.\u201d But I probably missed some, and I\u2019m not even going to talk","twitter:creator":"@mamchenkov","twitter:image":"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg"},"aioseo_meta_data":{"post_id":"12811","title":null,"description":null,"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":"BlogPosting","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,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-07-19 10:00:14","updated":"2026-01-15 05:50:44","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/\" title=\"Technology\">Technology<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/web-work\/\" title=\"Web work\">Web work<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tOn browser compatibility\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/mamchenkov.net\/wordpress"},{"label":"Technology","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/"},{"label":"Web work","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/web-work\/"},{"label":"On browser compatibility","link":"https:\/\/mamchenkov.net\/wordpress\/2010\/07\/26\/on-browser-compatibility\/"}],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":28660,"url":"https:\/\/mamchenkov.net\/wordpress\/2018\/07\/08\/the-div-that-looks-different-in-every-browser\/","url_meta":{"origin":12811,"position":0},"title":"The div that looks different in every browser","author":"Leonid Mamchenkov","date":"July 8, 2018","format":false,"excerpt":"Martijn Cuppens tweets the link to this code snippet and a screenshot of how the code renders in different browsers.\u00a0 Yup.\u00a0 Each browser produces a different result.\u00a0 The Twitter thread has more examples. 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