Social media marketing is the use of social media platforms to connect with your audience to build your brand, increase sales, and drive website traffic. ... The major social media platforms (at the moment) are Facebook, Instagram, Twitter, LinkedIn, Pinterest and YouTube. SEO is an acronym that stands for search engine optimization, which is the process of optimizing your website to get organic, or un-paid, traffic from the search engine results page. ... In order to do this, search engines will scan, or crawl, different websites to better understand what the site is about