Meh, I disagree with your theory about using less tags. You should use all 500 characters for optimal results. There is no proof that likes/dislikes does anything to the SEO. I’m sure that is more for the content makers info and viewers warning. The description can be up to 5000 characters. Best to post your other video links. You have no proof of anything, noone does, we can only guess how youtube seo works..
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Just for the record I offer a video ranking service both for YouTube and Google. So I know a little about vseo. If you have a brand new product you can throw tons of backlinks to it as long as it looks natural. Google has no idea how this search term will perform so it would be unfair to penalize you. Hopeton you gotta remember Youtube is not just a video site it’s also the 2nd largest search engine and a pretty huge social site. When was the last time you watched just 1 video on YouTube?
Just to be clear. 100-200 views just to give your video that presence, (nobody wants to be the first person to watch your video) 3-5 days after you upload it in the span of 25-50 views a day until you at 100-200 views. Then just keep building quality links then everything else should be natural especially the traffic. Or what’s the point? Have a video getting 100 views per month making me $500. Keyword research should be your main concern, then rankings come easy.
This content will help you boost your rankings in two primary ways. First, more content means more keywords, and therefore more opportunities for Google to return your site in the search results. Second, the more content you have, the more links you generally accumulate. Plus, having lots of content is great for getting visitors to stay on your site longer. Win-win!