23 Jun 10 1:49 pm
Search Engine Optimization (SEO)
Search engine optimization (SEO) is the process of improving the volume and quality of traffic to a web site from search engines. Usually, the earlier a site is presented in the search results, or the higher it "ranks," the more searchers will visit that site. The leading search engines, Google, Yahoo! and Microsoft, use crawlers to find pages for their algorithmic search results.
Search Engine Marketing (SEM)
Search engine marketing, or SEM, is a form of Internet marketing that seeks to promote websites by increasing their visibility in search engine result pages (SERPs). According to the Search Engine Marketing Professionals Organization, SEM methods include: search engine optimization (or SEO), paid placement, and paid inclusion.