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If there is no review it is not outputing any aggregate review or reviews if there are no reviews, but google is giving a warning for now having the microdata since the type is product. I wasn't sure if there was some sort of null value or not rated.

We have many products that do not have reviews and are causing warnings in googles microdata. Is there anything you can do for products without a review so you don't get errors for aggregate review or review??

I have a ton of experience with YouTube and own a very popular channel. The title tags are of course key. Without your keywords in there you'll be hard pressed to rank. Most of your views are going to come from related videos within YouTube, not from Google search.

Other big key factors are going to be your subscribers to your channel, views on your videos, comments on those videos and number of likes/dislikes on those videos.

The more consistent you are with releasing your videos the better. We release 2-5 per week. People know we are consistent and they check back often. We interact with our community, mention them sometimes in our videos.

Of course, quality videos will create many of these things naturally for you. But I'd say the quantity of videos you have are the most important. As I said the bulk (50%) of your views will come from the related videos sections. So the more videos you have to show up in these areas, the more views you'll get. Entice people to subscribe to your channel. Sometimes we do giveaways. Ask questions in your videos and ask people to answer them in your comments.

Use the rel="canonical" tag on these pages. That way you can send all the link juice to the version that you'd rather have rank and then also keep both pages for easier usability/navigation issues.