We collect the minimum data needed to figure out which thumbnail/title converted the best. This includes impressions, views, CTR, and AVD for every day the test ran. We also store a token used to update your thumbnails and titles overnight.
![Daniel Ch avatar](https://static.intercomassets.com/avatars/7084419/square_128/main_headshot_ch_daniel_black_and_white_min-1706565810.jpg)
Written by Daniel Ch
Updated over a week ago