跟踪来自Facebook的访问者 [英] Tracking visitors coming from Facebook

问题描述

我为我工作的公司编写了一个基于PHP的博客。不使用任何框架。我无法跟踪从我的Facebook页面的帖子到我的博客（不是wordpress）的用户。

我创建了一个短链接网址。假设它是sample.co，它将流量重定向到sample.com。一切似乎很好，直到这里。问题从这里开始。

我正在添加所有用户的ip，用户代理。但是，如果即使我有500次访问，我的代码也会增加3000次访问。 Facebook的统计数据和分析显示类似的统计数据（约500次访问）。我看到，添加到MySQL的IP都是不同的。它通常发生在Android用户身上。我在某处看过，当FB显示帖子时，Facebook有时会向用户呈现实际的URL。我的意思是代替小部件，Facebook显示整个页面。为了解决这个问题，我创建并添加了一个jQuery脚本到我的页面，并监听用户的滚动事件。它效果很好。没有看到太多的流量。但是这一次问题是我计数较少的用户。即使我从Facebook和Google Analytics获得500个用户也显示类似的结果，但我的脚本仅为MySQL添加了200-300个。

有人知道更好的方式来跟踪真实流量吗？或者您是否知道这样的问题？

谢谢

找到了答案。这个问题被称为预览（prefetch）。这里是链接：

https： //www.facebook.com/business/help/1514372351922333

简单地说，当FB向访问者显示缩略图以加快页面的速度时，facebook会预加载所有内容加载速度。他们发送 X-Purpose：预览标题。因此，您可以简单地检查 HTTP_X_PURPOSE 标头的值是否为预览或不。如果是这样，不要把它算作一个访客。

以下是更详细的描述：

http://inchoo.net/dev-talk/mitigating -facebook-x-fb -http-engine-liger /

http://inchoo.net/dev-talk/magento-website-hammering-facebook-liger/

I have written a PHP based blog for the company i work for. Not using any frameworks. I am having trouble tracking users who come from my facebook page's posts to my blog (not wordpress).

I have created a shortlink url. Let's say it is sample.co and it redirects traffic to sample.com. Everything seems fine until here. The problem starts here.

I am adding all user's ip's, user agents. But if even i get 500 visits, my code adds somethig like 3.000 visits. Facebook stats and Analytics shows similar stats (~500 visits). I see that ip's added to MySQL are all different. It usually happens with Android users. I have read somewhere that Facebook sometimes renders to their users the actual URL when FB shows the post. I mean instead of the widget, Facebook shows the whole page. I am not quite sure about that to be honest.

To solve this problem, I have created and added an jquery script to my page and listened users' scroll event. It worked great. Not seeing too much traffic. But this time the problem is i am counting less users. Even I get 500 users from facebook and Analytics shows similar results, my script adds only 200-300 to MySQL.

Does anyone know a better way to track real traffic? Or do you aware of such problem?

Thanks

解决方案

I have found the answer. The problem is called preview (prefetch). Here is the link:

https://www.facebook.com/business/help/1514372351922333

Simply, facebook preloads everything when FB shows the thumbnail to the visitor to speed up your page's load speed. They send X-Purpose: preview header. So you can simply check if HTTP_X_PURPOSE header's value is preview or not. If so, do not count it as a visitor.!

Here are more detailed descriptions:

http://inchoo.net/dev-talk/mitigating-facebook-x-fb-http-engine-liger/

http://inchoo.net/dev-talk/magento-website-hammering-facebook-liger/

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