您如何检测您的网站访问者是否来自Google搜索结果? [英] how do you detect if your website visitor came from a google search result?

问题描述

当用户从Google搜索并从结果页面中显示的结果登陆我们的网站时，我的网站是否可以检测到他来自Google?

when a user searches from google and lands on our site from the results he/she was shown in the results page, is there a way for my site to detect that he came from google?

推荐答案

检查应包含引用URL的$_SERVER['HTTP_REFERER']变量.请注意，这不是防篡改或故障保护的方法，因为Http-Referer标头很容易被客户端更改或修改.

Check the $_SERVER['HTTP_REFERER'] variable which should contain the referring URL. Please note that this is not tamper-proof or fail-safe as the Http-Referer header can easily been changed or modified by a client.

只需用Google搜索phpinfo(因为杂音很高，因为我得到一个显示$_SERVER['HTTP_REFERER']变量的phpinfo()页面)，向您展示Http-Referer的外观:

Just googled for phpinfo (because chanes were high that I get a phpinfo() page that shows the $_SERVER['HTTP_REFERER'] variable) to show you how the Http-Referer will look like:

$_SERVER['HTTP_REFERER'] = "http://www.google.de/search?hl=de&q=phpinfo&btnG=Google-Suche&meta="

如您所见，您还可以提取google查询中使用的搜索字词(或检测搜索是否由Google Chrome浏览器地址栏启动)...

As you see, you can also extract the search term used in the google query (or detect if the search was initiated by the Google Chrome address bar)...

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