Glossary — Letter R
Clear definitions for technical terms in hosting, servers, DNS, security, WordPress, and digital marketing. 300 terms available
Rack Server
Rack Server is a physical server designed to mount in a standard 19-inch equipment rack, typically i...
RAID
RAID is a storage technology that combines multiple physical drives into one logical unit to improve...
RAM
RAM is a computer server memory that temporarily stores data and instructions for active processes s...
React
React is a JavaScript library for building user interfaces by composing reusable components and effi...
Recursive DNS
Recursive DNS is a DNS resolution service that accepts a client query and then performs the full loo...
Redemption Grace Period
Redemption Grace Period is a post-expiration phase in the domain lifecycle when a deleted or expired...
Redis
Redis is an in-memory key-value data store used for caching, session storage, real-time analytics, m...
Reseller Hosting
Reseller Hosting is a hosting arrangement where one account holder buys server resources in bulk and...
REST API
REST API is an application programming interface that follows Representational State Transfer princi...
Retrieval-Augmented Generation (RAG)
Retrieval-Augmented Generation (RAG) is an AI pattern that improves a language model's answers by fi...
Reverse DNS
Reverse DNS is a DNS lookup method that maps an IP address back to a hostname using PTR records in s...
Reverse Proxy
Reverse Proxy is a server component that sits in front of one or more origin servers and forwards cl...
Root Access
Root Access is the ability to log in as the superuser on a server and perform unrestricted administr...
Router
Router is a networking device or software service that forwards data packets between different netwo...
Ruby
Ruby is a high-level, interpreted programming language widely used for web development, scripting, a...
Ruby Hosting
Ruby Hosting is a web hosting environment optimized to run Ruby applications, typically using the Ru...
Ruby on Rails
Ruby on Rails is an open-source web application framework written in Ruby that speeds development th...