# Measure traffic from Digests

**URL:** <https://meta.discourse.org/t/measure-traffic-from-digests/31452>\
**Category:** Feature\
**Tags:** activity-summary\
**Created:** [July 26, 2015, 11:08pm UTC](https://meta.discourse.org/t/measure-traffic-from-digests/31452 "2015-07-26T23:08:59Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![riking](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/riking/32/170938_2.png) [@riking](https://meta.discourse.org/u/riking)\
**Post date:** [July 27, 2015, 5:40pm UTC](https://meta.discourse.org/t/measure-traffic-from-digests/31452/8 "2015-07-27T17:40:28Z")

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> [@sam](#):
>
> Add a general tracking gif to every reply email that sets “read” on post when you open it, opt in.

We could style that so it appears in the same place as the blue unread dot, which should make it obvious what’s happening to people that have an email client that puts in placeholders for blocked images.

And maybe “this image is used to mark post as read” in the `title`.

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