SEO is one of the most reliable and effective online marketing strategies for small businesses and local businesses. Getting your business’s website found by people searching Google and other search engines through SEO is the most cost effective way to market your business online. For example, a successful SEO campaign can get your website to the top of the search engine rankings at a fraction of the cost of television, radio or newspaper advertising, while giving your marketing dollar more exposure than billboards or print advertisements.
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Portuguese: https://resultadosdigitais.com.br/o-que-e-seo/
English: https://digitalmarketinginstitute.com/blog/what-is-seo