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.

University of California, Davis
Skills you'll gain: jQuery, Javascript and jQuery, UI Components, Scripting, JavaScript Frameworks, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Hypertext Markup Language (HTML), Frontend Performance, Animations, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Case, API Testing, Test Script Development, Test Tools, Software Testing, Development Environment, Web Development Tools, Node.JS
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Plot (Graphics), Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Visualization (Computer Graphics), Java
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: jQuery, Ajax, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Content Accessibility Guidelines, Usability, Javascript and jQuery, Web Design and Development, Web Development, Hypertext Markup Language (HTML), Usability Testing, Javascript, Application Deployment, Web Design, Interactive Data Visualization, Event-Driven Programming, Semantic Web, Web Language, Web Applications
Beginner · Specialization · 1 - 3 Months

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

Skills you'll gain: Search Engine Optimization, jQuery, Keyword Research, Application Deployment, Content Optimization, Program Development, Object Oriented Programming (OOP), Web Servers, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, Scripting, Test Tools, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · 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: Event-Driven Programming, Javascript, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Django (Web Framework), Dashboard Creation, Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Object-Relational Mapping, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, Code Reusability, User Interface (UI), Development Environment, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Back-End Web Development, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Scripting, Event-Driven Programming, JavaScript Frameworks, Web Applications, Mobile Development, HTML and CSS, Web Development, Scripting Languages, Event Monitoring, Code Reusability
Beginner · Guided Project · Less Than 2 Hours