Increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine. Improvement of unpaid results. Keyword optimization and some content creation.
Internet marketing in which a fee is paid each time one of their ads is clicked. Essentially, it's a way of buying ad space in search engine to prompt visits to your site, rather than attempting to “earn” those visits organically when SEO has not been achieved yet. One of the most popular forms of advertising online.