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: Extensible Markup Language (XML), Extensible Languages and XML, Java, Cascading Style Sheets (CSS), Data Mapping, Data Validation, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Test Tools, Software Testing, Java, Test Data, Java Programming, Software Design Patterns, Code Reusability, Maintainability, Data Import/Export, Data Validation
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: jQuery, Javascript and jQuery, Responsive Web Design, Web Design and Development, Software Testing, Front-End Web Development, JavaScript Frameworks, User Interface (UI) Design, Verification And Validation, Development Testing, Program Development, Web Design, Event-Driven Programming, Web Development, Interactive Design, Hypertext Markup Language (HTML), Development Environment, Maintainability
Beginner · Specialization · 1 - 3 Months

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

Skills you'll gain: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, Continuous Integration, CI/CD, Test Automation, Web Development Tools, Browser Compatibility, Test Data, File I/O, Data Access
Intermediate · Course · 1 - 3 Months

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

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

National Taiwan University
Skills you'll gain: Political Sciences, Ancient History, Liberal Arts, European History, Social Studies, Culture, Ethical Standards And Conduct, Scientific Methods
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Performance Analysis, Automation, Augmented and Virtual Reality (AR/VR), Technology Strategies, Personalized Service, Innovation, Internet Of Things, Machine Learning, Digital Transformation, Deep Learning, Analytical Skills, Predictive Analytics, Big Data, Health Technology, Ethical Standards And Conduct, Data Analysis, Natural Language Processing, Data Security, User Experience
Beginner · Specialization · 3 - 6 Months

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