How to enable the video autoplay?

Starting with Google Chrome 66 (and Mozilla Firefox 66), new criteria are introduced that websites must comply with so that they are allowed to autoplay video with sound.

More: https://developers.google.com/web/updates/2017/09/autoplay-policy-changes

To enable video autoplay with sound, the user will need to click, scroll the website, or otherwise interact with the website, or to have previous interest in multimedia content on the website.

If video is not the main content on your website, Google Chrome will create a rule for it — video autoplay with sound is never allowed.

In this case, it is better to use muted video autoplay:

If you use Zero block, select the "Mute: Mute" option:

If you use the hero section, uncheck the "Don't mute video" box:

Mobile devices do not support background video, unfortunately. This is all mobile devices' limitation, and not Tilda's.