Add more debug info

[markelog]

This information might extremely helpful, if browser takes some sweet time to get the page or initiated in the grid

[googlebot]

Thanks for your pull request. It looks like this may be your first contribution to a Google open source project, in which case you'll need to sign a Contributor License Agreement (CLA).

:memo: Please visit https://cla.developers.google.com/ to sign.

Once you've signed, please reply here (e.g. I signed it!) and we'll verify. Thanks.

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[markelog]

I signed it! So happy about this

[googlebot]

CLAs look good, thanks!

[markelog]

Your welcome, you lovely thing

[joeyparrish]

This PR is stale, so I'm declaring PR bankruptcy on these older ones and closing it. If this is still an issue for you, we can reopen or you can open a new one. Sorry this went unanswered for so long!