Google claims their users click (organic) search results more often than ads, essentially rebutting the research cited above. A 2012 Google study found that 81% of ad impressions and 66% of ad clicks happen when there is no associated organic search result on the first page. Research has shown that searchers may have a bias against ads, unless the ads are relevant to the searcher's need or intent 
Craft or improve your email marketing strategy. Consider implementing Calls to Action that engage your readership in immediate ways. This works whether you’re selling a product, hosting an event, or delivering new content for your subscribers to enjoy. Set time aside to regularly draft emails–consider making a goal to write a set number of email drafts per week.
Hey, Matt! Thank you for your sharing, and I learned much from it, but I still have a question. We began to do SEO work for our site 2 years ago, and our organic traffic grew 5 times ( from 8K to 40K every day). But two years later, it is very difficult to get it grow more, even it drop to 3.2K every day. So can you give me any advice to make our site's traffic grow again? Thank you in advance!
With organic search engine optimization (as opposed to pay-per-click ads) people will more easily find your website on search engines while they are looking for a product or service you provide. Making it more likely that they will convert from visitor to customer. No one searches for a product or service that they don’t want, so they’re already in the mood to buy. You just have to stand out among the competition. Additionally, when you rank on the front page of a search engine, you are showing potential consumers the legitimacy of your products or services because of your high ranking.
BrightEdge research supports that a blended approach is best for delivering high performing content. Not only will combining organic and paid search increase website traffic, but it will offer a bigger return on the investment. Take Retail, Technology and Hospitality industries, for example — organic and paid search combined make up more than two-thirds of their total revenue.