| Acronym | Full Name |
|---|
| 2FA | Two-factor authentication |
| AJAX | Asynchronous JavaScript and XML |
| API | Application Programming Interface |
| ASCII | American Standard Code for Information Interchange |
| CAPTCHA | Completely Automated Public Turing test to tell Computers and Humans Apart |
| CDN | Content delivery network |
| CGI | Common Gateway Interface |
| CLI | Command-line interface |
| CMS | Content management system |
| CSS | Cascading Style Sheets |
| DDoS | Distributed denial-of-service attack |
| DNS | Domain Name System |
| DOM | Document Object Model |
| DoS | Denial-of-service attack |
| ECMA | European Computer Manufacturers Association |
| EOT | Embedded OpenType |
| GIF | Graphics Interchange Format |
| GUI | Graphical user interface |
| HA | High availability |
| HTML | HyperText Markup Language |
| HTTP | Hypertext Transfer Protocol |
| HTTPD | Hypertext Transfer Protocol daemon |
| HTTPS | Hypertext Transfer Protocol Secure |
| IDP | Identity provider |
| IETF | Internet Engineering Task Force |
| IP | Internet Protocol |
| IaaS | Infrastructure as a service |
| IoT | Internet of things |
| JPEG | Joint Photographic Experts Group |
| LAMP | Linux/Apache/MySQL/PHP |
| LDAP | Lightweight Directory Access Protocol |
| MFA | Multi-factor authentication |
| MP3 | MPEG-1 Audio Layer III or MPEG-2 Audio Layer III |
| OAuth | Open Authorization |
| PDO | PHP Data Objects |
| PHP | PHP: Hypertext Preprocessor |
| PII | Personally Identifiable Information |
| PNG | Portable Network Graphics |
| PaaS | Platform as a service |
| REST | Representational state transfer |
| RFC | Request for Comments |
| RGB | Red Green Blue Color Model |
| RSS | Really Simple Syndication |
| SAML | Security Assertion Markup Language |
| SMTP | Simple Mail Transfer Protocol |
| SP | Service provider |
| SQL | Structured Query Language |
| SSH | Secure Shell Protocol |
| SSL | Secure Sockets Layer |
| SSO | Single sign-on |
| SVG | Scalable Vector Graphics |
| SaaS | Software as a service |
| TCP | Transmission Control Protocol |
| TLS | Transport Layer Security |
| TTF | TrueType |
| UDP | User Datagram Protocol |
| UTF | Unicode Transformation Formats |
| UTM | Urchin Tracking Module |
| VM | Virtual Machine |
| W3C | World Wide Web Consortium |
| WAF | Web application firewall |
| WOFF | Web Open Font Format |
| WWW | World Wide Web |
| WebAPI | Web Application Programming Interface |
| WebVTT | Web Video Text Tracks |
| XHTML | Extensible HyperText Markup Language |
| XML | Extensible Markup Language |
| XSS | Cross-site Scripting |