[skalkin]

Clicked on it hoping that this is a new browser feature that I can access from the web page via JavaScript... but this is just a dev tool. I hope that this feature will eventually appear, currently taking snapshots from the client side is a major pain point.

[maaaats]

<div id="mydiv"><iframe src=facebook.com...

screenshot("#mydiv"), send to my server

would need some security handling, at least.

[awy]

There was a DOM2Canvas library at some stage, though it wasn't perfect and it couldn't render images (for security reasons).

[kevingadd]

Multiple browser engines have the ability to do this, but every time I've asked there's been no intent to ever expose it to webpages/webapps, just extensions.