Ajax courses can help you learn asynchronous web requests, dynamic content updates, and improved user interfaces. You can build skills in handling JSON data, managing server responses, and optimizing web performance. Many courses introduce tools like jQuery and XMLHttpRequest, that support implementing Ajax techniques and enhancing user experience on websites.

Skills you'll gain: Responsive Web Design, Web Design and Development, Software Testing, Verification And Validation, Development Testing, Program Development, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Test Automation, Test Tools, Verification And Validation, Software Testing, Scenario Testing, Web Development Tools, Test Case, Development Testing, Data Validation, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Jenkins, Test Script Development, CI/CD, Continuous Integration, Test Automation, Apache Maven, DevOps, Automation, Systems Administration, Scripting, Scalability, Web Applications, Role-Based Access Control (RBAC), Distributed Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Application Programming Interface (API), API Gateway, GraphQL, API Design, Restful API, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

Yeshiva University
Skills you'll gain: Ancient History, Art History, Public History, Color Matching, World History, Research, Color Theory, Culture
Mixed · Course · 1 - 3 Months

Skills you'll gain: Containerization, Node.JS, CI/CD, Kubernetes, MongoDB, Full-Stack Web Development, Back-End Web Development, JavaScript Frameworks, Application Deployment, Continuous Integration, Server Side, Microservices, NoSQL, Frontend Integration, API Design, Software Technical Review, Continuous Deployment, Web Development, Databases, Database Development
Advanced · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Retrieval-Augmented Generation, LLM Application, OpenAI API, Full-Stack Web Development, Node.JS, Restful API, Development Environment, Agentic systems, Data Management, Embeddings, Application Deployment, Data Integration
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Web Applications, Web Design and Development, Package and Software Management, Web Development, Version Control, Software Documentation, Web Development Tools, Software Configuration Management, Program Development, JavaScript Frameworks, Web Content Accessibility Guidelines, Application Deployment, Frontend Performance, Software Architecture, Dashboard Creation, Cloud Deployment
Intermediate · Course · 1 - 4 Weeks