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.
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Scripting, Node.JS, TypeScript, Data Manipulation, JSON, Web Development Tools, Generative AI, Server Side, Data Structures, Programming Principles, Object Oriented Programming (OOP), Web Servers, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Google Gemini, Generative AI Agents, AI Enablement, LLM Application, Model Deployment, AI Orchestration, Google Cloud Platform, Generative AI, Mobile Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Prototyping, Responsive Web Design, UI Components, Layout Design, Mockups, User Interface (UI) Design, User Experience
Mixed · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Content Management, AI Personalization, Loyalty Programs, Predictive Analytics, Customer Engagement, Digital Media Strategy, Augmented Reality, Marketing Analytics, Revenue Management, Forecasting, Data-Driven Decision-Making, Marketing Strategy and Techniques, Brand Marketing, Artificial Intelligence, Media Strategy, Media Relations, Digital Transformation, Customer Communications Management, Emerging Technologies, Price Negotiation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Script Development, Test Data, Test Case, JSON, API Testing, Scenario Testing, Mockups
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, HTML and CSS, Event-Driven Programming, UI Components, Javascript, Interactive Design, Animations, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Real Time Data, Data Persistence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Front-End Web Development, Responsive Web Design, Bootstrap (Front-End Framework), HTML and CSS, User Interface (UI), Web Design, Event-Driven Programming, UI Components, Web Applications, Javascript, jQuery, Animations, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, JavaScript Frameworks, Full-Stack Web Development, JSON, Web Development Tools, HTML and CSS, Application Programming Interface (API), Javascript, Web Development, Web Applications, Browser Compatibility, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Java Programming, Test Automation, JUnit, Object Oriented Programming (OOP), Integration Testing, Browser Compatibility
Intermediate · Course · 3 - 6 Months

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Security Controls
Intermediate · Specialization · 1 - 3 Months