HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

Berklee
Skills you'll gain: Intellectual Property, Entrepreneurship, Music History, Contract Negotiation, Fundraising and Crowdsourcing, Team Building, Design Thinking, Brand Strategy, Professional Networking, Lawsuits, Creativity, Ideation, Innovation, Branding, Music, Creative Problem-Solving, Creative Thinking, Revenue Management, Social Media, Business
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, Test Case, Test Automation, Development Testing, Test Planning, Code Coverage, Software Quality Assurance, Functional Testing, Testability, Integration Testing, Test Data, Issue Tracking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relationship Management, Professional Development, Customer Relationship Management, Interpersonal Communications, Service Recovery, Business Communication, Strategic Communication, Compassion, Solution Delivery
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Processing, Data Science, Distributed Computing, Unstructured Data, Data Infrastructure, Data Analysis
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Talent Pipelining, Prompt Engineering, Talent Acquisition, Performance Management, Smart Goals, Google Gemini, Time Management, Interviewing Skills, Culture Transformation, Workforce Planning, Generative AI, ChatGPT, Employee Onboarding, Recruitment, Employee Engagement, Key Performance Indicators (KPIs), Prompt Engineering Tools, Leadership, Data-Driven Decision-Making, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Data Validation, Restful API, Application Frameworks, Performance Tuning, Software Versioning, Django (Web Framework), Software Documentation, Middleware, Node.JS, Application Performance Management, Scalability, JSON, Spring Boot, Test Automation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Financial Statement Analysis, Budget Management, Accounting, Finance, Financial Planning
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Pseudocode, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Operating Systems, Development Environment, User Interface (UI), Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Architecture and Administration, Database Administration, PL/SQL, Relational Databases, Patch Management, Data Integrity, SQL, Data Import/Export, Data Storage Technologies, User Accounts, Disaster Recovery
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Application Deployment, YAML, Virtual Environment
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Continuous Delivery, CI/CD, Continuous Deployment, DevOps, Organizational Change, Culture Transformation, Continuous Integration, Application Deployment, Infrastructure as Code (IaC), YAML, Software Development, Performance Metric, Microservices, Operational Excellence, Continuous Improvement Process, Configuration Management, Scripting
Advanced · Course · 1 - 4 Weeks

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Programming Principles, Scripting, Integrated Development Environments, Development Environment, Text Mining, File Management, Software Installation
Intermediate · Course · 3 - 6 Months