Search engine optimization (SEO) is the process of improving the volume and quality of traffic to a web site from search engines or simply we can say ,The process of improving traffic to a given website by increasing the site's visibility in search engine results.Websites improve search engine optimization by improving content, making sure that the pages are able to be indexed correctly, and ensuring that the content is unique. Going through the search engine optimization process typically leads to more traffic for the site because the site will appear higher in search results for information that pertains to the site's offerings.
SEO may target different kinds of search
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Local search- (local search queries include information about "what" the site visitor is searching for (such as keywords, a business category, or the name of a consumer product) but also "where" information, such as a street address, city name, postal code, or geographic coordinates like latitude and longitude).
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Image search- (adding metadata(data about data) such as captioning',keywords, or descriptions to the images so that retrieval can be performed over the search phrase).
