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Algorithm – A mathematical formula used by web search engines, such as Google, to rank and sort the results in their search engine.
Anchor text – This is the text that links between one web page and another


Backlinks – These are links from other websites to yours, which recommend your site and transfer link-juice.
Black Hat SEO – Techniques to improve web positioning, unethical, and that contradict Google’s guidelines. These techniques are increasingly out of use because Google severely penalizes their use. Among others, cloaking, keyword stuffing, or backlink SPAM stand out.


Cannibalization – Commonly referred to as Keyword Cannibalization, occurs when two pages on the same domain come into conflict when competing for the same keywords.
Canonical Tag – Information provided to search engines since 2009, indicating which URL is to be considered by search engines in case of finding different similar URLs.
Cloaking – It is a Black Hat technique, which consists of showing different content to users and search engines.


Duplicate Content – A circumstance that occurs when two web pages contain all or part of the same content. Google generally recommends not to have duplicate content.





Hyperlink – Usually abbreviated as link. For more information read: What is a link?



JavaScript – Programming language used to add interactive features to a web site.


Keywords – These are the words that have the highest number of searches on the Internet, and therefore are repeated several times in a URL in order for search engines to select them among their results.
Keyword Cannibalization – It occurs when two pages on the same domain conflict when competing for the same keywords.
Keyword density – The proportion of a given keyword (or phrase) in relation to the overall number of words on the same web page.


Link – Abbreviation for “hyperlink”. In English hyperlink or commonly link.
Link Juice – It refers to the authority that is transferred from one web page to another through a link. More information on how link juice works.





PBN – Acronym for “Private Blog Network”, refers to a group of interconnected websites, with the purpose of transferring each other “Link Juice”.
Pagerank – It is the score that Google gives through its algorithm to each page and with which it establishes which page to place at the top of the results of a given search.




SaaS – “Software As A Service” refers to companies that provide a software service, i.e. computer programs.
Search engine – A web page ranking system where, when the user makes a query, the search engine returns a selection of results that, according to its analysis, best match the user’s question.
SERP – From “Search Engine Results Page”, in English: “Search Engine Results Page”. This is the name given to any list of web pages that Google, for example, offers its users after making a query.
SEO – Acronym for “Search Engine Optimization”, which means “search engine optimization”. It is a set of techniques for search engines to select a web page in the highest positions. For more information read: What is SEO?
Negative SEO – These are Black Hat techniques to damage a competitor’s website.



URL – Acronym for “Uniform Resource Locator”, it is a unique address for each web page or resource on the web, every web page, image, video, etc… has a unique and unrepeatable URL that can be accessed by entering this address in the browser.



WWW – Acronym for “World Wide Web”.