A Spider, also known as a web crawler, is a program designed to scour the web and collect data from websites in order to create an index of content.
A NoFollow link is a type of link in website programming that tells search engines not to take the link into account when crawling or indexing the site.
Latent Semantic Indexing (LSI) is a method of indexing used by search engines to understand the relationship between words, phrases and topics.
Q&A stands for “questions and answers” and is simply a format where a question is asked and an answer is provided by an informed expert or opinion lead.
Plagiarism is the practice of taking someone else’s work (or ideas) and claiming it as your own.