How are viewership metrics calculated?

Last Updated: Dec 20, 2016 07:04PM PST

Periscope counts live and replay viewers towards overall viewership metrics for each broadcast. This number provides insight into the size of a broadcaster’s audience across a number of platforms and entry points:

Periscope & Twitter apps on iOS and Android

In the Periscope and Twitter iOS and Android apps, a viewer is counted as soon as they press play or join a broadcast fullscreen. Autoplay viewers are counted after a threshold of three seconds, which is consistent with how autoplay is tracked at Twitter. For less than 90 days, the threshold for autoplay viewership on Periscope for iOS and Periscope for Android was two seconds, but has since been updated to be consistent with our other platforms. Autoplay viewership of broadcasts on Twitter for iOS and Twitter for Android has always been counted using a three second threshold. If you’re curious to learn more about how autoplay is tracked on Twitter, see here.

On the website, a viewer is counted only when they tap into an individual broadcast fullscreen. Viewers are not counted while scrolling through our featured and standard channels or browsing on the homepage.

Twitter web and Embeds

Viewers on Twitter web and Periscope web embeds are tracked as “public” viewers. This means they do not show up as identifiable logged-in users, even though they count towards the total viewer count. Viewers are counted on autoplay videos once a broadcast has been playing for three seconds as is consistent with Twitter autoplays. For all non-autoplay broadcasts, we track viewership when a user clicks into the broadcast.

Periscope for Apple TV, Twitter for Apple TV, and Twitter for Android TV

Viewers are counted when someone clicks into a broadcast full-screen on their TV through any of these apps. Please see this article for detail on recent issue related to this.

On all of our platforms, we take a variety of measures into account to track when someone stops viewing the broadcast, including unexpected app crashes, interruptions from phones or battery loss, to keep the concurrency count as accurate as possible.

As with any other software, there are sometimes bugs that cause unintended behavior. If you notice this, we encourage you to report it to us (screenshots or example links are most useful) so that we can investigate.

What is “autoplay”?
Autoplaying video refers to broadcasts that automatically play in the timeline on Twitter, or on Periscope in the Watch Tab or the Global Tab. A user can disable autoplay in settings on each of our iOS and Android platforms if they desire.
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