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.

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Vue.JS, JavaScript Frameworks, UI Components, Application Frameworks, Web Frameworks, Web Development Tools, Development Environment, Front-End Web Development, Event-Driven Programming, Web Applications, Android Development, Data Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), Javascript, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Application Development, Video Game Development, Web Applications, Programming Principles, Data Storage Technologies, Scripting Languages, Data Persistence, Computer Programming, Data Storage, Computational Logic, Front-End Web Development, Web Development
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Restful API, AI Personalization, Payment Processing, Product Assortment, Credit/Debit Card Processing, Merchant Services, Content Management Systems, Blogs, API Design, Application Deployment, Order Management, Merchandise Maintenance, User Accounts, Data Sharing, Web Applications, Web Frameworks, Python Programming, Ajax, Javascript
Beginner · Specialization · 3 - 6 Months

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

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, Ajax, Front-End Web Development, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java Programming, Object-Relational Mapping, Java, Application Servers, Middleware, Application Deployment, Data Persistence, Event-Driven Programming, Enterprise Application Management, Server Side, Data Access, Code Reusability, Context Management, Business Logic, Query Languages, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks