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) through optimization and advertising. SEM may use search engine optimization (SEO), that adjusts or rewrites website content to achieve a higher ranking in search engine results pages or use pay per click listings
Methods and metrics
There are four categories of methods and metrics used to optimize websites through search engine marketing.
- Keyword research and analysis involves three "steps": ensuring the site can be indexed in the search engines, finding the most relevant and popular keywords for the site and its products, and using those keywords on the site in a way that will generate and convert traffic. A flow on affect of keyword analysis and research is the search perception impact. Search perception impact describes the identified impact of a brand's search results on consumer perception, including; title and meta tags, site indexing and keyword focus. As online searching is often the first step for potential consumers/customers, the search perception impact shapes the brand impression for each individual.
- Website saturation and popularity, or how much presence a website has on search engines, can be analyzed through the number of pages of the site that are indexed on search engines (saturation) and how many backlinks the site has (popularity). It requires pages to contain keywords people are looking for and ensure that they rank high enough in search engine rankings. Most search engines include some form of link popularity in their ranking algorithms. The following are major tools measuring various aspects of saturation and link popularity: Link Popularity, Top 10 Google Analysis, and Marketleap's Link Popularity and Search Engine Saturation.