Glossary — Letter C
Clear definitions for technical terms in hosting, servers, DNS, security, WordPress, and digital marketing. 300 terms available
CAA Record
CAA Record is a DNS record type that lets a domain owner specify which certificate authorities (CAs)...
Cache Memory
Cache Memory is a small, very fast layer of memory that stores copies of frequently used data and in...
Caddy
Caddy is an open-source web server and reverse proxy known for automatic HTTPS, simple configuration...
Catch-All Email
Catch-All Email is a domain-level email setting that routes messages sent to any non-existent addres...
ccTLD
ccTLD is a country-code top-level domain, a two-letter domain extension assigned to a specific count...
CDN
CDN is a distributed network of servers that caches and delivers website content from locations clos...
CDN Cache
CDN Cache is a content delivery network feature that stores copies of website assets on geographical...
Certificate Authority
Certificate Authority is a trusted organization that issues digital SSL/TLS certificates verifying t...
CI/CD
CI/CD is a DevOps practice that automates building, testing, and delivering code changes so updates ...
CIDR
CIDR is a method for representing IP address ranges using a prefix length (for example, /24) instead...
Cloud Hosting
Cloud Hosting is a hosting model where a website or application runs on a pool of virtualized server...
CLS
CLS is a Core Web Vitals metric that measures how much visible content shifts unexpectedly while a p...
CNAME Record
CNAME Record is a DNS record type that maps one hostname (an alias) to another hostname (the canonic...
Colocation
Colocation is a hosting arrangement where you place your own physical server hardware in a third-par...
Container
Container is a lightweight, isolated runtime environment that packages an application with its depen...
Context Window
Context Window is the maximum amount of text, tokens, or other input a language model can consider a...
Core Web Vitals
Core Web Vitals is a set of user experience performance metrics defined by Google to evaluate how qu...
cPanel
cPanel is a web hosting control panel that provides a graphical interface for managing common server...
CPU
CPU is the central processing unit, the primary component that executes instructions and performs ca...
CPU Core
CPU Core is an independent processing unit within a server processor that can execute instructions i...
CPU Thread
CPU Thread is a single execution path within a processor core that lets the CPU schedule and run wor...
Cron Job
Cron Job is a scheduled task on Unix-like systems that runs commands or scripts automatically at def...
CSR
CSR is a Certificate Signing Request, a structured file created on a server to request an SSL/TLS ce...
CSRF
CSRF is a web security vulnerability where a malicious site tricks a logged-in user’s browser into s...
CSS
CSS is a stylesheet language used to control the visual presentation of web pages, including layout,...
CUDA
CUDA is a parallel computing platform and programming model from NVIDIA that lets software run gener...