Advanced Meta Tags

Viewport, robots, Open Graph, Twitter Cards, and custom meta tags.

Overview

Meta tags provide metadata to browsers and search engines.

Key Concepts

Viewport — Mobile-friendly configuration
Robots — Search engine directives
Open Graph — Social media sharing
Twitter Cards — Twitter-specific metadata
Custom Meta — Application-specific data

Code Examples

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  
  <!-- Viewport -->
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  
  <!-- SEO -->
  <title>Page Title | Site Name</title>
  <meta name="description" content="Page description for search engines">
  <meta name="keywords" content="keyword1, keyword2, keyword3">
  <meta name="author" content="Author Name">
  <meta name="robots" content="index, follow">
  <meta name="googlebot" content="index, follow">
  <link rel="canonical" href="https://example.com/page">
  
  <!-- Open Graph -->
  <meta property="og:type" content="website">
  <meta property="og:title" content="Page Title">
  <meta property="og:description" content="Page description">
  <meta property="og:url" content="https://example.com/page">
  <meta property="og:image" content="https://example.com/image.jpg">
  <meta property="og:image:width" content="1200">
  <meta property="og:image:height" content="630">
  <meta property="og:site_name" content="Site Name">
  <meta property="og:locale" content="en_US">
  
  <!-- Twitter -->
  <meta name="twitter:card" content="summary_large_image">
  <meta name="twitter:site" content="@username">
  <meta name="twitter:creator" content="@username">
  <meta name="twitter:title" content="Page Title">
  <meta name="twitter:description" content="Page description">
  <meta name="twitter:image" content="https://example.com/image.jpg">
  
  <!-- Custom meta -->
  <meta name="theme-color" content="#007bff">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  <meta name="application-name" content="My App">
  <meta name="msapplication-TileColor" content="#007bff">
  
  <!-- Favicon -->
  <link rel="icon" type="image/x-icon" href="/favicon.ico">
  <link rel="apple-touch-icon" href="/apple-touch-icon.png">
  <link rel="manifest" href="/manifest.json">
</head>
<body>
  <!-- Content -->
</body>
</html>

Practice

Create a comprehensive meta tag setup for a blog post page.