Search Engine Optimization & Search Engine Marketing
(Excerpts from Wikipedia, https://en.wikipedia.org/wiki/Search_engine_optimization & https://en.wikipedia.org/wiki/Search_engine_marketing)
Search engine optimization (SEO) is the process of affecting the online visibility of a website or a web page in a web search engine’s unpaid results—often referred to as “natural”, “organic”, or “earned” results. In general, the earlier (or higher ranked on the search results page), and more frequently a website appears in the search results list, the more visitors it will receive from the search engine’s users; these visitors can then be converted into customers. SEO may target different kinds of search, including image search, video search, academic search, news search, and industry-specific vertical search engines. SEO differs from local search engine optimization in that the latter is focused on optimizing a business’ online presence so that its web pages will be displayed by search engines when a user enters a local search for its products or services. The former instead is more focused on national or international searches.
SEO techniques can be classified into two broad categories: techniques that search engine companies recommend as part of good design (“white hat”), and those techniques of which search engines do not approve (“black hat”). An SEO technique is considered white hat if it conforms to the search engines’ guidelines and involves no deception. Black hat SEO attempts to improve rankings in ways that are disapproved of by the search engines, or involve deception.
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. 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.
SEM is the wider discipline that incorporates SEO. SEM includes both paid search results (using tools like Google Adwords or Bing Ads) and organic search results (SEO). SEM uses paid advertising with AdWords or Bing Ads, pay per click (particularly beneficial for local providers as it enables potential consumers to contact a company directly with one click), article submissions, advertising and making sure SEO has been done.