Google does not index all the web pages it crawls, but applies filters to discard oman telephone directory those that are duplicates, of or that violate its guidelines. In addition, Google core update periodically updates the index, adding, modifying or removing web pages according to their status. ⊛ Positioning Ranking is the stage in which Google displays the most appropriate search results for each user query. To do this, it uses algorithms that evaluate and classify the web pages in the index according to their relevance and authority.

Google's algorithms take into account more than 200 ranking factors, which can vary depending on the type of search, language, location, device, etc. Search engine optimization is a competitive and changing process, bas on user satisfaction. Google wants to show the web pages that best respond to the nes and intentions of users, and that offer a good user experience.