网址:http://www.pagepilot.co.uk/pp_cftest/
发布到facebook调试器时:https://developers.facebook.com/tools/debug/og/object？q = http% 3A%2F%2Fwww.pagepilot.co.uk%2Fpp_cftest% 2F
继续返回206 Partial Response而不是200 OK
返回的代码是:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml">
<head>
<title>pp_cftest</title>
<meta property="og:title" content="pp_cftest" />
<meta property="og:type" content="company" />
<meta property="og:url" content="http://www.pagepilot.co.uk/pp_cftest/" />
<meta property="og:site_name" content="PagePilot" />
<meta property="og:description" content="description text" />
<meta property="fb:app_id" content="242396009188876" />
<meta property="og:image" content="http://www.pagepilot.co.uk/views/pp_w_en/assets/images/ladbrokes.gif" />
</head>
<body>
<p>test content</p>
</body>
</html>
代码中似乎没有任何异常或缺失.只是不明白.