---
title: "HTML: meta tags"
layout: default
---

### Viewport

    <meta name='viewport' content='width=device-width'>
    <meta name='viewport' content='width=1024'>

### UA

    <meta http-equiv='X-UA-Compatible' content='IE=edge,chrome=1'>

### URL

    <meta property='og:url' content='http://...'>
    <meta name='twitter:url' content='http://...'>
    <link rel='canonical' href='http://...'>

### Title
    
    <title>...</title>
    <meta property='og:title' content='...'>
    <meta name='twitter:title' content='...'>

### Description

    <meta name="description" content="...">
    <meta property="og:description" content="...">
    <meta property="twitter:description" content="...">

### Image

    <meta name="twitter:image" content="http://...">
    <meta property="og:image" content="http://...">

### Reference

 * https://dev.twitter.com/docs/cards
 * https://developers.facebook.com/docs/opengraphprotocol/#types