{ "summary": { "verified": 176, "unavailable": 128, "total": 304 }, "topics": { "verified": [ { "id": "what-is-html", "title": "What is HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-does-html-stand-for", "title": "What does HTML stand for?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "who-developed-html", "title": "Who developed HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-latest-version-of-html", "title": "What is the latest version of HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-difference-between-html-and-html5", "title": "What is the difference between HTML and HTML5?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-tags-in-html", "title": "What are tags in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-attributes-in-html", "title": "What are attributes in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-a-container-tag", "title": "What is a container tag?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-an-empty-tag", "title": "What is an empty tag?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-basic-structure-of-an-html-document", "title": "What is the basic structure of an HTML document?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-purpose-of-doctype-html", "title": "What is the purpose of ?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-html-tag", "title": "What is the tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-head-tag", "title": "What is the tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-body-tag", "title": "What is the tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-purpose-of-meta-tags", "title": "What is the purpose of meta tags?", "category": "SEO", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-difference-between-title-and-heading-tags", "title": "What is the difference between title and heading tags?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-heading-tags-in-html", "title": "What are heading tags in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-p-tag", "title": "What is the

tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-br-tag", "title": "What is the
tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-hr-tag", "title": "What is the

tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-are-semantic-tags", "title": "What are semantic tags?", "category": "Semantic Tags", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-non-semantic-tags", "title": "What are non-semantic tags?", "category": "Semantic Tags", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-difference-between-div-and-span", "title": "What is the difference between
and ?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-inline-html", "title": "What is inline HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-block-level-html", "title": "What is block-level HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-inline-block-elements", "title": "What are inline-block elements?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-anchor-tag", "title": "What is the anchor tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-use-of-href", "title": "What is the use of href?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-target-attribute", "title": "What is the target attribute?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-difference-between-absolute-and-relative-urls", "title": "What is the difference between absolute and relative URLs?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-an-image-tag", "title": "What is an image tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-alt-attribute", "title": "What is the alt attribute?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-are-lists-in-html", "title": "What are lists in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "difference-between-ordered-and-unordered-lists", "title": "Difference between ordered and unordered lists?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-a-description-list", "title": "What is a description list?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-a-table-in-html", "title": "What is a table in HTML?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-are-table-rows-and-columns", "title": "What are table rows and columns?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-colspan", "title": "What is colspan?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-rowspan", "title": "What is rowspan?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-are-forms-in-html", "title": "What are forms in HTML?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-form-action-attribute", "title": "What is the form action attribute?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-method-attribute-in-forms", "title": "What is the method attribute in forms?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "difference-between-get-and-post-methods", "title": "Difference between GET and POST methods?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-an-input-tag", "title": "What is an input tag?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "different-types-of-input-fields", "title": "Different types of input fields?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-a-label-tag", "title": "What is a label tag?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-a-placeholder-attribute", "title": "What is a placeholder attribute?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-difference-between-id-and-class", "title": "What is the difference between id and class?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-use-of-comments-in-html", "title": "What is the use of comments in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "how-do-you-add-css-to-html", "title": "How do you add CSS to HTML?", "category": "Applied HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-html5", "title": "What is HTML5?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "features-of-html5", "title": "Features of HTML5?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-semantic-elements-in-html5", "title": "What are semantic elements in HTML5?", "category": "Semantic Tags", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-difference-between-html4-and-html5", "title": "What is the difference between HTML4 and HTML5?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-new-form-elements-in-html5", "title": "What are new form elements in HTML5?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-new-input-types-in-html5", "title": "What are new input types in HTML5?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-local-storage", "title": "What is local storage?", "category": "Storage APIs", "sources": [ "https://html.spec.whatwg.org/multipage/webstorage.html" ] }, { "id": "what-is-session-storage", "title": "What is session storage?", "category": "Storage APIs", "sources": [ "https://html.spec.whatwg.org/multipage/webstorage.html" ] }, { "id": "difference-between-cookies-and-local-storage", "title": "Difference between cookies and local storage?", "category": "Storage APIs", "sources": [ "https://html.spec.whatwg.org/multipage/webstorage.html" ] }, { "id": "what-is-canvas-in-html5", "title": "What is canvas in HTML5?", "category": "HTML5 APIs", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-svg-in-html", "title": "What is SVG in HTML?", "category": "HTML5 APIs", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "difference-between-svg-and-canvas", "title": "Difference between SVG and Canvas?", "category": "HTML5 APIs", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-audio-tag", "title": "What is the audio tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-video-tag", "title": "What is the video tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "how-do-you-embed-videos-in-html", "title": "How do you embed videos in HTML?", "category": "Applied HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-iframe", "title": "What is iframe?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-data-attributes", "title": "What are data attributes?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-draggable-attribute", "title": "What is the draggable attribute?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-contenteditable", "title": "What is contenteditable?", "category": "Attributes", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-difference-between-html-and-xhtml", "title": "What is the difference between HTML and XHTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-meta-viewport-tags", "title": "What are meta viewport tags?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-responsive-design-in-html", "title": "What is responsive design in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-lazy-loading-in-html", "title": "What is lazy loading in HTML?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-favicon", "title": "What is favicon?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-purpose-of-charset-in-meta-tags", "title": "What is the purpose of charset in meta tags?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-are-web-accessibility-standards", "title": "What are web accessibility standards?", "category": "Accessibility", "sources": [ "https://www.w3.org/TR/html-aria/", "https://www.w3.org/WAI/ARIA/apg/" ] }, { "id": "what-is-aria-in-html", "title": "What is ARIA in HTML?", "category": "Accessibility", "sources": [ "https://www.w3.org/TR/html-aria/", "https://www.w3.org/WAI/ARIA/apg/" ] }, { "id": "what-is-seo-friendly-html", "title": "What is SEO-friendly HTML?", "category": "SEO", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-difference-between-strong-and-bold-tags", "title": "What is the difference between strong and bold tags?", "category": "Browser Concepts", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "difference-between-em-and-italic-tags", "title": "Difference between em and italic tags?", "category": "HTML", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-use-of-figure-and-figcaption", "title": "What is the use of figure and figcaption?", "category": "Semantic Tags", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-nav-tag", "title": "What is the nav tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-article-tag", "title": "What is the article tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-section-tag", "title": "What is the section tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-aside-tag", "title": "What is the aside tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-footer-tag", "title": "What is the footer tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-header-tag", "title": "What is the header tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-main-tag", "title": "What is the main tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-template-tag", "title": "What is the template tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-details-tag", "title": "What is the details tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-the-summary-tag", "title": "What is the summary tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-autocomplete-in-forms", "title": "What is autocomplete in forms?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-novalidate", "title": "What is novalidate?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-required-attribute", "title": "What is required attribute?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-pattern-attribute", "title": "What is pattern attribute?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-autocomplete-off", "title": "What is autocomplete off?", "category": "Forms", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "what-is-the-datalist-tag", "title": "What is the datalist tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-progress-tag", "title": "What is progress tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-is-meter-tag", "title": "What is meter tag?", "category": "Elements", "sources": [ "https://html.spec.whatwg.org/multipage/indices.html" ] }, { "id": "what-are-microdata-in-html", "title": "What are microdata in HTML?", "category": "SEO", "sources": [ "https://html.spec.whatwg.org/multipage/" ] }, { "id": "defer-vs-async-on-script", "title": "defer vs async on