Macam-Macam Tag Meta SEO

<!-- Umum -->
<meta name="description" content="Deskripsi berita/artikel/produk">
<meta name="keywords" content="Keywords"/>
<meta name="author" content="Author/ Pemilik website"/><meta name="language" content="Bahasa"/><br > <meta name="webcrawlers" content="all"/>
<meta name="rating" content="general"/>
<meta name="spiders" content="all"/>
<!-- Schema.org markup untuk Google+ -->
<meta itemprop="name" content="Nama/ Judul">
<meta itemprop="description" content="Deskripsi halaman">
<meta itemprop="image" content="http://www.contoh.com/gambar.jpg">
<!-- Twitter Card data -->
<meta name="twitter:card" content="Judul Foto">
<meta name="twitter:site" content="@publisher">
<meta name="twitter:title" content="Judul Halaman">
<meta name="twitter:description" content="Deskripsi max 200 huruf">
<meta name="twitter:creator" content="@author_handle">
<!-- Foto min. 280x150px -->
<meta name="twitter:image:src" content="http://www.gambar.com/image.jpg">
<!-- Open Graph data -->
<meta property="og:title" content="Judul />
<meta property="og:type" content="article" />
<meta property="og:url" content="http://www.judul.com/" />
<meta property="og:image" content="http://judul.com/image.jpg" />
<meta property="og:description" content="Description Here" />
<meta property="og:site_name" content="Site Name, i.e. Moz" />
<meta property="article:published_time" content="2013-09-17T05:59:00+01:00" />
<meta property="article:modified_time" content="2013-09-16T19:08:47+01:00" />
<meta property="article:section" content="Article Section" />
<meta property="article:tag" content="Article Tag" />
<meta property="fb:admins" content="Facebook numberic ID" />
<!-- Facebook -->
<meta property="og:title" content="Judul" />
<meta property="og:url" content="Alamat" />
<meta property="og:image" content="Lokasi gambar: http://www.web.com/img/gambar.jpg" />
<meta property="og:description" content="Deskripsi/ Isi/ Konten" />