I have a question. My site is in download/free resources niche, and I’m having some troubles figuring out link building opportunities. Most of the webmasters from other websites in this niche don’t really actively respond to my email. I guess it’s because this is a niche that people often build a high traffic website and leave it there as a passive income. Do you have any suggestion?
Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) primarily through paid advertising.[1] SEM may incorporate search engine optimization (SEO), which adjusts or rewrites website content and site architecture to achieve a higher ranking in search engine results pages to enhance pay per click (PPC) listings.[2]

Internet Marketing Objectives

How much of your marketing strategy should be done online and which internet marketing elements you use depends on the nature of your business, your budget, your time, and your goals. Many small business owners do it all themselves in the beginning, but as their businesses grow, they begin to pay for services or outsource work to a virtual assistant that can help them with online marketing.

There is no secret that getting hiqh-quality backlinks is your website’s way to better ranking in Google. But how to differ good link from the bad one? Carefully choosing backlinks is a very tremulous and important task for everyone who wants to optimize their sites. There are a lot of different tools which can help you to check whether your backlinks are trustful and can bring your website value. 
In 1998, two graduate students at Stanford University, Larry Page and Sergey Brin, developed "Backrub", a search engine that relied on a mathematical algorithm to rate the prominence of web pages. The number calculated by the algorithm, PageRank, is a function of the quantity and strength of inbound links.[21] PageRank estimates the likelihood that a given page will be reached by a web user who randomly surfs the web, and follows links from one page to another. In effect, this means that some links are stronger than others, as a higher PageRank page is more likely to be reached by the random web surfer.

Online Marketing 2019

It doesn’t mean than you have to advertise on these social media platforms. It means that they belong to that pyramid which will function better thanks to their support. Just secure them and decide which of them will suit your goal better. For example, you can choose Instagram because its audience is the most suitable for mobile devices and bits of advice of their exploitation distribution.