这是在阿里巴巴国际站看到的head部分:
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< 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
Meta Property标签的应用
● 按照您网页的类型,在<head>中添加入meta标签,并填上相应的内容
● 如果一个页面上有多个需要标识出的内容怎么办?
您可以重复meta标签,将认为og:type 标签是每一段内容的起始处,
例如:
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< meta property = "og:type" content = "video" /> < meta property = "og:title" content = "五月天_突然好想你MV现场版" /> < meta property = "og:image" content = "http://g1.ykimg.com/0100641F464AC21FF0B3ED00F48F151F43D4BF-5F0F-BD39-76EA-E5E20A1887C4" /> < meta property = "og:url" content = "http://v.youku.com/v_show/id_XMTIyMTY5NzMy.html" /> < meta property = "og:videosrc" content = "http://player.youku.com/player.php/sid/XMTIyMTY5NzMy&isAutoPlay=true/v.swf" /> < meta property = "og:width" content="500″ /> < meta property = "og:height" content="416″ /> < meta property = "og:type" content = "video" /> < meta property = "og:title" content = "五月天_突然好想你MV现场版_AA" /> < meta property = "og:image" content = "http://g1.ykimg.com/0100641F464AC21FF0B3ED00F48F151F43D4BF-5F0F-BD39-76EA-E5E20A1887C44444" /> < meta property = "og:url" content = "http://v.youku.com/v_show/id_XMTIyMTY5NzMyyyyyyyyyyyyyyyy.html" /> < meta property = "og:videosrc" content = "http://player.youku.com/player.php/sid/XXXXXXXXXXXXMTIyMTY5NzMy&isAutoPlay=true/y.swf" /> < meta property = "og:width" content = "600" /> < meta property = "og:height" content = "716" /> |
● 安装SNS网站插件如人人网插件,同样会出现Meta Property标签,卸载后可以去除。?
使用Open Graph Protocol应注意
meta property=og代码的功能并不等同于网页的meta name标签,两者针对的对象不一致,功能不同。
如果网站上要使用Open Graph Protocol,那么,meta property=og和meta name、Title标签应同时赋值。
比如某家B2C网站,<head>如下:
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< head > < meta http-equiv = "Content-Type" content = "text/html;charset=utf-8" /> < title >Cool Gadgets at the Right Price - Worldwide Free Shipping - ******</ title > < meta property = "og:title" content = "**’sFacebook" /> < meta property = "og:type" content = "product" /> < meta property = "og:url" content = "http://www./******.com" /> < meta property = "og:image" content = "http://www./******.com/logo.gif" /> < meta property = "og:site_name" content = "******.COM" /> < meta property = "og:description" content = "CoolGadgets at the RightPrice - Worldwide Free Shipping - ******" /> < meta property = "fb:admins" content = "100001422224225" /> < meta property = "fb:page_id" content = "241333394220" /> < link href = "/css/reset.css" rel = "stylesheet" type = "text/css" /> < link href = "/css/default/all.16666.css" rel = "stylesheet" type = "text/css" /> < script type = "text/javascript" src = "/shop.js" ></ script > < script type = "text/javascript" src = "/scripts/all.16666.build.js" ></ script > < meta http-equiv = "Content-Type" content = "text/html;charset=utf-8" /> < meta name = "description" content = "Online shopping for cool gadgets at the right price. " /> < meta name = "keywords" content = "cool gadgets, cheap gadgets, free shipping" /> </ head > |
如果你用上了Meta Property标签,你得在后台设置好,不然,就是空白.
Open Graph Protocol对SEO的影响
有些人使用所谓的网站质量在线检测,检测后结果提示Meta Property=og这段代码有问题,特别是一些SEO的检测,更是提示“特别错误”!然后删除Meta Property=og代码,检测正常。
因此担心Meta Property=og这段代码会对网站照成不良影响。
其实Open Graph Protocol并不会对SEO照成不良影响,相反,应用的合理,非常有利于网站的推广。