When research points the way to how you can most effectively market your firm online, that is hitting the sweet spot.

Social media tracking firm  partnered with  in creating the infographic below that sums up current market research done on the optimal length for posts on social media platforms. 

Here is the data represented in this clever infographic:

Twitter:  tweets of less than 100 characters have a 17% higher engagement rate.

Facebook:  posts with 40 characters receive 86% more engagement than those with a higher character count.

Google+:  ideal character count is 60 for maximum engagement.

YouTube:  the most popular videos are 3 minutes or less.

LinkedIn:  25 words is the optimal length for a post on LinkedIn.

Email:  subject lines of 28-39 characters enjoy a higher open rate.

Blogs:  6 words is optimal for headlines and 1,600 words for the blog itself. 74% of posts that are read are under three minutes long and 94% are under six minutes.

Todd Davis contributed to this article.