As a webmaster or business owner, you're going to get a plethora of emails or form submissions offering things like guest posting services, backlink building offers, offers to buy domains with a "high page rank" and whatnot - like the one right here I got just today. Don't entertain them! It's tempting to think that hey, "I can pay someone to build more backlinks to my website and reap the fruits of their labors... mwahaha" but 99% of those services are more trouble than they'll ever be worth. Why?
Going into network marketing? Understand that if you're not close to the top of the food chain there, your ability to generate any serious amount of income will be limited. Be wary of the hype and the sales pitches that get you thinking that it's going to work the other way. Simply understand that you're going to have to work hard no matter what you pick to do. Email marketing? Sure. You can do that. But you'll need a massive and very targeted list to make any dent.
Search engine optimization is a key part of online marketing because search is one of the primary ways that users navigate the web. In 2014, over 2.5 trillion searches were conducted worldwide across search engines such as Google, Bing, Yahoo, Baidu, and Yandex. For most websites, traffic that comes from search engines (known as "natural" or "organic" traffic) accounts for a large portion of their total traffic.