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A client operates four well known brands inside the industry, and each website has a relatively (for the industry) high amount of Domain authority across these four sites.

They just formed a group of these four brands and launched a new website with no authority. What steps would you take to instantly grow the authority of the new site?

Was the issue that it was sending the traffic to youtube instead of your site? If that's the case have you considered a backlink friendly hosted video solution(Wistia is the onlu one I know).

I'm really curious about this particular scenario.