为什么当我点击链接时，Facebook会改变网址？ [英] Why does facebook change the url when I click on a link?

问题描述

假设我点击了一个Facebook链接 - 一旦点击，URL被转换为：

Suppose that I click on a facebook link -- once clicked, the URL is transformed to this:

http ：？//www.facebook.com/l.php U =的http％3A％2F％2Fapple.stackexchange.com％2Fquestions％2F398％2Fhow-DO-I-积累应用到我的，越狱，iPad的&安培; H = uAQFM5WKt

然后我被重定向到我以为我要去的URL。为什么Facebook这样做？

And then I'm redirected to the URL I thought I was going to. Why does facebook do this?

推荐答案

Facebook跟踪从其网站启动的所有链接。它保存您提供的链接作为链接。

Facebook keeps track of all the links fired from its website. It saves the url you provided as link.

首先它转发到一个Facebook链接，其中保存url，然后重定向到实际的URL。

First it forwards you to a facebook link where it saves the url and then it redirects to the actual url.

这样Facebook会知道哪些网址获得最多的点击。

This way facebook knows which urls are getting most hits.

FYI，即使是谷歌。

FYI, Even google does it.

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