The majority of websites (showcase site, e-commerce, online blog, etc.) have a basic search engine by default. WordPress, Drupal, Joomla, Magento, Prestashop… all of the most popular CMSs natively offer a simplified internal search module. However, many site owners do not monitor the searches carried out by the Net surfers, and have no idea of ​​the key words entered nor of the number of search in volume, whereas they represent a gold mine of a point of marketing and commercial view.…