Social signals according to Searchmetrics are not a ranking factor.
However, their "Search Ranking Factors & Rank Correlations 2015"... which provides webmasters, SEOs and content marketers with the latest insights regarding the most important ranking factors for high-ranking Google.com search results.
They have stated the following...
"The question remains open as to exactly how social media signals such as likes, tweets and +1s boost rankings. Google...

We have been working hard this week on a new On Page YouTube SEO Tool which we have named Optimization Alpha.

This is an incredible tool that will help you optimize your YouTube videos like a pro.

With over 40 YouTube ranking factors built in, and more tools being added, this is possibly the best SEO software we have ever done and its a White Hat tool too!

Go and check out the features and see how much simpler life will be to optimize YouTube videos,...

Back in 2010 i did 3 guest posts in a 7 day period for my old KISS I.M blog.

That effort (which was actually very easy to do) generated over 10,000 visitors to my blog!

Well, i guess i got too caught up with the greyhat/blackhat stuff and i never did make a consistent effort to repeat that. What a pity!

So this morning we did our second webinar for the white hat seo series and this was specifically for this strategy, how to do it and make it easy to...

I created a list of 35 ranking factors for when optimizing your videos & channels in YouTube.

This comes with a downloadable cheat sheet too
These are 2016 strategies and some brand new stuff that you will not have been taught anywhere else.

Go and check it out, download the cheat sheet and most importantly use it as a guide the next time you upload a video to YouTube.

Remember that on page SEO is more important now than ever. Learn how...

I created a post on my blog which is still in progress following on from the white hat SEO strategy series webinar number 1.

This is about using infographics for seo.
You can check it out here:
How To Use Infographics For SEO and the webinar replay is there too.

Remember its a work in progress, i have had some delays due to my daughter visiting me here in Thailand and the creation and release of a new YouTube seo software.

There will be...