Execution |
Runs on the user’s browser (client machine) |
Runs on the web server |
Examples |
JavaScript, HTML, CSS, jQuery |
PHP, Python, Java, ASP.NET, Node.js |
Purpose |
Used for form validation, UI effects, interactivity, animations |
Used for database operations, authentication, business logic, file handling |
Security |
Less secure (code is visible to users) |
More secure (code runs on server and hidden from users) |
Speed |
Faster response (no server communication needed) |
Slower response (requires server interaction) |
Resource Usage |
Uses client resources (browser/PC) |
Uses server resources (CPU, memory, database) |
Output Sent to Client |
Sends scripts and executes in browser |
Sends only processed result (HTML/CSS/JS) to client |
Dependency |
Depends on browser support |
Depends on server configuration |