SEO and growth glossary
R Terms and Definitions
80 plain-English definitions begin with R. Showing page 1 of 2.
All R definitions
- RAG
- Retrieval-Augmented Generation, an AI pattern combining retrieval over a corpus with generative response.
- RankBrain
- A 2015 Google ranking system using machine learning to interpret novel queries.
- Ranking
- The position at which a page appears in search results for a given query.
- Ranking factor
- A signal used by a search engine to determine the order of results for a query.
- Ranking position
- Another name for ranking, the position of a page in search results.
- RDFa
- An HTML attribute syntax for embedding structured data, less common than JSON-LD.
- Readability score
- A score estimating how easily a piece of text can be understood by a typical reader.
- Reading level
- An indicator of the educational level required to comprehend a piece of text.
- Real user monitoring
- Performance measurement based on data collected from real visitors during normal site use.
- Recipe optimization
- Structuring recipe content for clarity and rich result eligibility.
- Recipe rating schema
- Structured data marking up ratings for a recipe.
- Recipe rich result
- A SERP rich result displaying recipe details such as cook time, calories, and rating.
- Recipe schema
- Structured data marking up a recipe for rich result eligibility.
- Recipient page
- A page receiving an inbound link in a link building or analysis context.
- Reciprocal link
- A link arrangement where two sites link to each other.
- Reddit visibility surge
- The notable increase in Reddit's visibility in Google's search results following 2023 prioritization changes.
- Redirect chain
- A sequence of multiple redirects between an initial URL and the final destination.
- Redirect loop
- A misconfiguration in which redirects cycle without resolving to a final URL.
- Reference link
- A link in body content supporting a factual statement by pointing to a source.
- Referer header
- An HTTP request header indicating the URL from which a request originated, with its long-standing misspelling.
- Referral
- A site visit originating from a click on another website's link.
- Referral traffic
- Visits attributed to clicks from other websites.
- Referrer
- Another name for the source page identified in the Referer header.
- Referring domain
- A unique domain that contributes one or more backlinks to a target site.
- Referring IP
- An IP address from which one or more backlinks originate.
- Refine results
- A SERP feature offering refinement suggestions for narrowing or expanding a query.
- Refurbished product page
- An ecommerce page for refurbished items, requiring careful indexing and schema choices.
- Regex filter
- A filter using regular expressions to match URLs or queries in Search Console or analytics.
- Region code
- A code identifying a geographic region used in hreflang and locale settings.
- Rel canonical
- Another name for the canonical link element.
- Rel=next
- A deprecated link relation indicating the next page in a paginated series.
- Rel=prev
- A deprecated link relation indicating the previous page in a paginated series.
- Removals tool
- A Search Console tool for temporarily hiding URLs from Google search results.
- Render-blocking resource
- A resource that delays the browser's first render until it is downloaded and processed.
- Renderability
- The extent to which a search engine can render a page's content for indexing.
- REP
- Common abbreviation for Robots Exclusion Protocol.
- Republished content
- Content originally published elsewhere and republished on another site, with or without canonicalization.