<title>Manufacturers, Suppliers, Exporters & Importers from the world's largest online B2B marketplace-Alibaba.com</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<meta name="keywords" content="Manufacturers, Suppliers, Exporters, Importers, Products, Trade Leads, Supplier, Manufacturer, Exporter, Importer" />
<meta name="description" content="Find quality Manufacturers, Suppliers, Exporters, Importers, Buyers, Wholesalers, Products and Trade Leads from our award-winning International Trade Site. Import & Export on alibaba.com" />
<meta property="og:title" content="Find quality Manufacturers, Suppliers, Exporters, Importers, Buyers, Wholesalers, Products and Trade Leads from our award-winning International Trade Site. Import & Export on alibaba.com"/>
<meta property="og:type" content="site" />
<meta property="og:url" content="http://www.alibaba.com" />
<meta property="og:site_name" content="Alibaba"/>
<meta property="fb:admins" content="100002227819697,124207444332529" />
<meta property="fb:page_id" content="22437985072" />
<meta property="fb:app_id" content="124207444332529" />
Meta Property=og标签是什么呢?
og是一种新的HTTP头部标记,即Open Graph Protocol:
The Open Graph Protocol enables any web page to become a rich object in a social graph.
即这种协议可以让网页成为一个“富媒体对象”。
用了Meta Property=og标签,就是你同意了网页内容可以被其他社会化网站引用等,目前这种协议被SNS网站如Fackbook、renren采用。
SNS已经成为网络上的一大热门应用,优质的内容通过分享在好友间迅速传播。为了提高站外内容的传播效率,2010年F8会议上Facebook公布了一套开放内容协议(Open Graph Protocol),任何网页只要遵守该协议,SNS就能从页面上提取最有效的信息并呈现给用户。
Open Graph Protocol应用指南
参与到Open Graph Protocol的好处
● 能够正确的分享您的内容到SNS网站
● 帮助您的内容更有效的在SNS网络中传播