# How to add a pixel which fires when any user registers?

**URL:** <https://meta.discourse.org/t/how-to-add-a-pixel-which-fires-when-any-user-registers/37934>\
**Category:** Support\
**Created:** [2016年一月14日 09:05 UTC](https://meta.discourse.org/t/how-to-add-a-pixel-which-fires-when-any-user-registers/37934 "2016-01-14T09:05:21Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![divine](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/divine/32/121302_2.png) [@divine](https://meta.discourse.org/u/divine)\
**Post date:** [2016年一月28日 05:51 UTC](https://meta.discourse.org/t/how-to-add-a-pixel-which-fires-when-any-user-registers/37934/7 "2016-01-28T05:51:26Z")

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> [@eviltrout](#):
>
> The question is why do you want to do it this way? Wouldn’t it make more sense to have the server send a signal once the user registers, rather than a hidden pixel which is less reliable?

It is because Google Adwords and Facebook Ads only allow us to place image pixels and don’t allow server-to-server communication.

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