# Common web hosting terms and definitions

> Look up the meaning of common web hosting terms, from Apache and autoresponders to bandwidth, DNS and SSL.

Source: https://helpcenter.ruachost.com/getting-started/guides/common-web-hosting-terms-and-definitions/

Common web hosting terms and definitions

As with any specialized field, **web hosting** has its own set of terms and abbreviations. Below are some commonly used hosting terms you’ll come across and what they mean.

**Apache Web Server**\
A web server delivers content to users’ browsers. **Apache** is one of the most popular and reliable web servers, known for its flexibility and stability.

**Auto Responder**\
An automated email reply system that sends pre-set responses (like an “Out of Office” message).

**Backup**\
A saved copy of your data or files that can be used to restore your website in case of loss or corruption.

**Bandwidth**\
The amount of data that can be transferred between your website and users over a given time, usually measured in bits per second.

**Browser**\
A software application used to view websites, such as Google Chrome, Mozilla Firefox, Microsoft Edge, or Safari.

**cPanel**\
A hosting control panel that allows users to manage website files, databases, emails, and more through an easy-to-use interface.

**DDoS (Distributed Denial of Service)**\
A type of cyberattack where multiple systems flood a target server with traffic, causing downtime or performance issues.

**Dedicated Server**\
A physical server fully allocated to a single user or business. It offers high performance and full administrative control.

**DKIM (DomainKeys Identified Mail)**\
An email authentication method that verifies messages haven’t been altered and are truly from the claimed sender.

**Domain Name**\
A human-readable website address (like *example.com*) that points to the site’s IP address.

**DNS (Domain Name System)**\
The system that translates domain names into numerical IP addresses so computers can locate each other online.

**FTP (File Transfer Protocol)**\
A standard method for uploading and downloading files between your computer and a web server using software like FileZilla.

**HTML (Hypertext Markup Language)**\
The basic coding language used to create web pages and structure their content.

**HTTP (Hypertext Transfer Protocol)**\
The standard protocol used for transmitting web pages and other media over the internet.

**IMAP (Internet Message Access Protocol)**\
An email protocol that syncs messages between a mail server and multiple devices.

**IP Address**\
A unique numerical label assigned to devices connected to a network (e.g., *93.184.216.119*).

**JavaScript**\
A client-side scripting language used to add interactive features to websites.

**Linux**\
A free, open-source operating system widely used on web servers for its reliability and performance.

**Mailing List**\
A tool that lets you send one email to multiple recipients at once (often used for newsletters).

**Managed Hosting**\
A hosting service where the provider handles maintenance tasks like updates, security, and configuration.

**MySQL**\
A popular database management system used to store and retrieve data for dynamic websites.

**PHP**\
A server-side scripting language used for building dynamic websites and applications.

**POP (Post Office Protocol)**\
An email protocol that downloads messages from a mail server to your device.

**Reseller Hosting**\
A hosting plan that allows users to sell web hosting services to others under their own brand.

**Unmanaged Hosting**\
A hosting plan where you handle server maintenance and configuration yourself.

**Shared Hosting**\
A cost-effective hosting option where multiple websites share the same server resources.

**SMTP (Simple Mail Transfer Protocol)**\
The standard protocol used to send outgoing emails.

**Softaculous**\
An automatic installer available in cPanel that lets you install applications like WordPress or Joomla with one click.

**Spam**\
Unwanted or unsolicited bulk emails.

**SPF (Sender Policy Framework)**\
An email security measure that helps verify which mail servers are allowed to send messages for a domain.

**SSL (Secure Sockets Layer)**\
A protocol that encrypts data transferred between a web server and browser to ensure secure communication.

**Top-Level Domain (TLD)**\
The last part of a domain name (e.g., *.com*, *.org*, *.net*).

**Virtual Private Server (VPS)**\
A virtualized server environment offering more control and resources than shared hosting but at a lower cost than a dedicated server.

**Webmail**\
An online interface for accessing and managing your email via a web browser.

**WordPress**\
A free, open-source content management system (CMS) used to build and manage websites easily.