Web Hosting Dictionary / Glossary

New to web hosting? This glossary defines the most common terms you'll encounter when shopping for and managing web hosting services.

Bandwidth
The amount of data that can be transferred between your website and visitors in a given time period (usually one month). See our bandwidth guide for more details.
cPanel
The most popular web hosting control panel. Provides a graphical interface for managing hosting account features like email, databases, file management, and more.
Dedicated Server
A hosting arrangement where an entire physical server is dedicated to a single customer's website(s). Provides maximum performance and control.
DNS (Domain Name System)
The system that translates human-readable domain names (like example.com) into IP addresses that computers use to identify each other on the network.
Domain Name
The unique address of a website on the internet (e.g., thehoststop.com). Registered through a domain registrar for an annual fee.
FTP (File Transfer Protocol)
A standard network protocol used to transfer files between a computer and a web server. Used to upload website files to your hosting account.
MySQL
The most popular open-source relational database management system used with web hosting. Powers WordPress, Joomla, and thousands of other web applications.
PHP
A popular server-side scripting language used to create dynamic web pages. Required by WordPress and many other web applications.
Shared Hosting
A hosting arrangement where multiple websites share the resources of a single server. The most affordable hosting option, suitable for most small to medium websites.
SSL (Secure Sockets Layer)
A security technology that encrypts data transmitted between a web server and a browser. Sites with SSL show "https://" in their URL and display a padlock icon.
Uptime
The percentage of time that a web server is operational and accessible. Most hosts guarantee 99.9% uptime, which equals less than 9 hours of downtime per year.
VPS (Virtual Private Server)
A virtual machine that runs its own operating system and has dedicated resources within a shared physical server. A middle ground between shared and dedicated hosting.
WHM (Web Host Manager)
A control panel used by resellers and hosting administrators to manage multiple cPanel accounts from a single interface.
Nameserver
A server that translates domain names into IP addresses. When you register a domain and set up hosting, you point your domain to your host's nameservers.
IP Address
A numerical label (e.g., 192.168.1.1) assigned to each device connected to the internet. Websites are identified by IP addresses; domain names make them human-readable.