{"id":10189,"date":"2025-06-10T04:42:43","date_gmt":"2025-06-10T04:42:43","guid":{"rendered":"https:\/\/orthian.vn\/?p=10189"},"modified":"2025-06-10T16:15:20","modified_gmt":"2025-06-10T16:15:20","slug":"what-is-html-2","status":"publish","type":"post","link":"https:\/\/orthian.vn\/vi\/what-is-html-2\/","title":{"rendered":"HTML l\u00e0 g\u00ec? N\u1ec1n t\u1ea3ng c\u1ee7a m\u1ecdi trang web tr\u00ean Internet"},"content":{"rendered":"<p>Ph\u00e1t hi\u1ec7n <strong>what HTML is<\/strong>, how it works, and why it&#8217;s essential in every digital product. Learn how Orthian applies it in modern web development.<\/p>\n\n\n\n<p>Every website you&#8217;ve ever visited, no matter how complex or beautiful, starts with HTML. While other technologies bring interactivity and style, HTML is the skeleton of the web, defining its structure and meaning.<\/p>\n\n\n\n<p>But what exactly is HTML? And why does it still matter in a world full of frameworks, APIs, and cloud-native systems? This article explains HTML in plain terms, explores its core principles, and shows how Orthian uses it as part of building scalable, accessible digital solutions<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong>1. What Is HTML?<\/strong><\/h2>\n\n\n\n<p><strong>HTML (HyperText Markup Language)<\/strong> is the standard language used to create and structure content on the web. It defines how text, images, links, buttons, and other elements appear and behave in a browser.<\/p>\n\n\n\n<p>Unlike programming languages, HTML is a <strong>markup language<\/strong>, meaning it annotates content rather than performing logic or calculations. Web browsers interpret HTML files to display structured documents to users.<\/p>\n\n\n\n<p>HTML is maintained by the <strong>World Wide Web Consortium (W3C)<\/strong> and is currently at version <strong>HTML5<\/strong>, which introduced support for multimedia, semantic elements, and cross-device responsiveness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>2. Key Elements and Syntax in HTML<\/strong><\/strong><\/h2>\n\n\n\n<p>HTML is built using <strong>tags<\/strong> that wrap around content to give it structure and meaning. Here&#8217;s a quick look at essential elements:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"4000\" height=\"2667\" src=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited.png\" alt=\"\" class=\"wp-image-10202\" style=\"aspect-ratio:3\/2;object-fit:cover;width:600px\" srcset=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited.png 4000w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited-300x200.png 300w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited-1024x683.png 1024w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited-768x512.png 768w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited-1536x1024.png 1536w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/4x4-Social2-edited-2048x1366.png 2048w\" sizes=\"(max-width: 4000px) 100vw, 4000px\" \/><figcaption class=\"wp-element-caption\"><em>HTML files are typically paired with <strong>CSS<\/strong> (for styling) and <strong>JavaScript<\/strong> (for interactivity) in modern web development.<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>3. Where Is HTML Used in Business Applications?<\/strong><\/strong><\/h2>\n\n\n\n<p>HTML is present in nearly every digital product or service that includes a user interface. Common use cases include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Company websites<\/strong><\/li>\n\n\n\n<li><strong>Web applications<\/strong><\/li>\n\n\n\n<li><strong>Landing pages for marketing or campaigns<\/strong><\/li>\n\n\n\n<li><strong>Email templates<\/strong> (HTML-based)<\/li>\n\n\n\n<li><strong>Internal dashboards and CMS interfaces<\/strong><\/li>\n<\/ul>\n\n\n\n<p>From mobile-responsive websites to complex SaaS platforms, HTML remains a non-negotiable layer in user experience design.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong>HTML vs Other Front-End Technologies<\/strong><\/h2>\n\n\n\n<p>HTML works in tandem with CSS and JavaScript, but they play different roles:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"544\" src=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-1024x544.png\" alt=\"\" class=\"wp-image-10195\" srcset=\"https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-1024x544.png 1024w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-300x159.png 300w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-768x408.png 768w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-1536x816.png 1536w, https:\/\/orthian.vn\/wp-content\/uploads\/2025\/06\/68-2048x1088.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Frameworks like React or Angular still rely on HTML under the hood, HTML is never replaced, only extended or abstracted.<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>5. Best Practices When Writing HTML<\/strong><\/strong><\/h2>\n\n\n\n<p>At Orthian, we follow modern HTML development principles that ensure accessibility, performance, and scalability:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use <strong>semantic tags<\/strong> like <code>&lt;<em>section<\/em>&gt;<\/code>, <code>&lt;<em>article<\/em>&gt;<\/code>, <code>&lt;<em>nav<\/em>&gt;<\/code> for better SEO and screen reader support<\/li>\n\n\n\n<li>Always include <code>alt<\/code> text for images for accessibility<\/li>\n\n\n\n<li>Minimize nesting to keep code clean and maintainable<\/li>\n\n\n\n<li>Keep content and layout separated (don\u2019t use inline styles)<\/li>\n\n\n\n<li>Validate HTML using W3C tools to avoid rendering issues<\/li>\n<\/ul>\n\n\n\n<p>Good HTML makes sites load faster, rank better, and reach wider audiences including those with disabilities.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong>6. How Orthian Uses HTML in Projects<\/strong><\/h2>\n\n\n\n<p>HTML is the backbone of the front-end systems we build at Orthian. Whether it\u2019s a B2B dashboard, an e-commerce storefront, or an internal management tool, HTML ensures that what users see and interact with is accessible, responsive, and consistent.<\/p>\n\n\n\n<p>Real-world implementations include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Client portals<\/strong> for secure access to operational data<\/li>\n\n\n\n<li><strong>Dynamic content platforms<\/strong> built on headless CMS<\/li>\n\n\n\n<li><strong>Custom UI frameworks<\/strong> for admin interfaces and dashboards<\/li>\n\n\n\n<li><strong>SEO-optimized landing pages<\/strong> for growth and campaigns<\/li>\n<\/ul>\n\n\n\n<p>By combining clean HTML with modern design systems and performance-first practices, Orthian delivers digital experiences that scale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px\"><strong><strong>Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/strong><\/h2>\n\n\n\n<p>HTML might not be flashy, but it&#8217;s fundamental. It&#8217;s the starting point of every digital interface, the structure beneath every pixel, and the common language that ties the web together.<\/p>\n\n\n\n<p>At Orthian, we embrace HTML not just as a tool, but as a discipline, building well-structured, scalable, and accessible web applications that meet the demands of modern business.<\/p>\n\n\n\n<p><strong>Ki\u1ec3m tra th\u00eam ki\u1ebfn th\u1ee9c t\u1eeb Orthian b\u00ean d\u01b0\u1edbi<\/strong>:<\/p>\n\n\n\n<p><a href=\"https:\/\/orthian.vn\/vi\/what-is-javascript-modern-web-development\/\">JavaScript l\u00e0 g\u00ec? Kh\u00e1m ph\u00e1 s\u1ee9c m\u1ea1nh \u0111\u1eb1ng sau Web hi\u1ec7n \u0111\u1ea1i<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/orthian.vn\/vi\/what-is-sql\/\">SQL l\u00e0 g\u00ec? X\u01b0\u01a1ng s\u1ed1ng c\u1ee7a Qu\u1ea3n l\u00fd D\u1eef li\u1ec7u Hi\u1ec7n \u0111\u1ea1i<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Discover what HTML is, how it works, and why it&#8217;s essential in every digital product. Learn how Orthian applies it in modern web development. Every website you&#8217;ve ever visited, no matter how complex or beautiful, starts with HTML. While other technologies bring interactivity and style, HTML is the skeleton of the web, defining its structure [&hellip;]<\/p>","protected":false},"author":6,"featured_media":10196,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[55],"tags":[147,148,149,150,151],"highlight":[],"class_list":["post-10189","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-digital-transformation","tag-html","tag-what-is-html","tag-html-markup","tag-web","tag-world-wide-web"],"acf":[],"_links":{"self":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts\/10189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/comments?post=10189"}],"version-history":[{"count":0,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/posts\/10189\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/media\/10196"}],"wp:attachment":[{"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/media?parent=10189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/categories?post=10189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/tags?post=10189"},{"taxonomy":"highlight","embeddable":true,"href":"https:\/\/orthian.vn\/vi\/wp-json\/wp\/v2\/highlight?post=10189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}