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.

Coursera
Skills you'll gain: Javascript, User Interface (UI), Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML)
Beginner · Guided Project · Less Than 2 Hours

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

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Package and Software Management, Web Development, Version Control, Web Development Tools, Jest (JavaScript Testing Framework), Web Content Accessibility Guidelines, Application Deployment, Software Architecture, Front-End Web Development, Technical Documentation, Performance Tuning, Software Testing, Javascript, UI Components, Application Performance Management, Dataflow
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, JSON, UI Components, HTML and CSS, Data Mapping, Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Ajax, Javascript and jQuery, Data Validation, JSON, Javascript, Event-Driven Programming, Web Development Tools, Application Programming Interface (API), Object Oriented Programming (OOP), Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, Model View Controller, Databases, Relational Databases, Software Development, Ruby on Rails, Software Design Patterns, Cascading Style Sheets (CSS), Javascript
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Case, Selenium (Software), Software Testing, Maintainability, Test Data, Debugging, Configuration Management
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Object Oriented Programming (OOP), Issue Tracking, Gherkin (Scripting Language), Test Automation, Behavior-Driven Development, Test Execution Engine, Test Case, Debugging, Integration Testing, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Cascading Style Sheets (CSS), Event-Driven Programming, Web Applications, HTML and CSS, Hypertext Markup Language (HTML), Animations, Debugging
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Web Applications, HTML and CSS, Javascript, Web Development Tools, Animations, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Cultural Diversity, World History, European History, Labor Law, Music History, Social Justice, Immigration Law, Art History, Socioeconomics, Economics
Beginner · Course · 1 - 3 Months