هرز آگهی

Also known as search engine spam, search engine spamming, search engine poisoning, black-hat search engine optimization, black-hat SEO, search spam, search spamming, web spam

Spamdexing (also known as search engine spam, search engine poisoning, black-hat search engine optimization, search spam or web spam) is the deliberate manipulation of search engine indexes. It involves a number of methods, such as link building and repeating related or unrelated phrases, to manipulate the relevance or prominence of resources indexed in a manner inconsistent with the purpose of the indexing system.