reset chrome media engagement score

I know that Chrome 66 introduced some restrictions when autoplaying a video (in HTML5).
In some cases the autoplay is supported. One of the conditions to support autoplay is when the user has watched a video in the domain before or something similar. So Chrome is keeping an internal score for each site. This score can be checked in chrome://media-engagement.

But now my problem is that for testing I have not figured it out a simple way to reset this score. So I can not properly test it for the new users.

Any idea?

3 Answers
3

The easiest way I found to test using a clean score is to create a new profile in Chrome:

1- At the top right of Chrome, click the button with your name or People People.

2- Click Manage people.

3- Click Add person.

4- Click Save. A new window will open and ask you to sign in.

This also works when changing to "Guest" as the current user. chrome://media-engagement will then show an empty database.
– Michael Franzl
Jun 5 '18 at 7:12

chrome://media-engagement

A quick throwaway solution to have a new window with empty MEI data is to open a "Guest window" by clicking the user avatar and choosing "Open Guest window" button.

Chrome open guest window

You can also clean MEI by clearing browsing history:

Ctrl+Shift+Del

chrome://settings/clearBrowserData

Advanced > All time

Browsing history

Clear data

chrome://media-engagement

Chrome clear MEI data

BTW. Note that notably going into incognito mode doesn't reset MEI; the MEI data are copied from regular session when opening first incognito tab (and then lives on its own until incognito session is closed).

that is good, but I did not want to clear my browser data, only reset the score
– jolumg
Sep 7 '18 at 7:42

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