TL;DR:Influential search engines like Google have changed their algorithm to favor topic-based content. As a result, SEOs are exploring a new way of linking related content under a "topic clusters" model. This report serves as a tactical primer for marketers responsible for SEO strategies.
HubSpot Research exported sources data from HubSpot’s Marketing product and created website visit benchmarks across business type, employee size, region, and industry. HubSpot Research calculated the proportion of total visits each channel generates across January 2014 through May 2015. The detailed charts below also represent the average number of visits received each month from each traffic source.