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.

Coursera
Skills you'll gain: Report Writing, Return On Investment, Business Process Automation, Business Writing, Persuasive Communication, Cost Estimation, Cost Benefit Analysis, Automation, Operational Efficiency, Workflow Management, AI Enablement, Business Analysis, Business Metrics, Stakeholder Communications, Excel Formulas, Forecasting, Data Integration
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Workplace inclusivity, Diversity and Inclusion, Cultural Diversity, Empathy, People Management, Emotional Intelligence, Disabilities, Organizational Leadership, Team Management, Safety Culture, Leadership and Management, Leadership, Collaboration, Self-Awareness, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, Generative AI, Large Language Modeling, Generative Adversarial Networks (GANs), ChatGPT, Generative AI Agents, Hugging Face, Artificial Intelligence and Machine Learning (AI/ML), Autoencoders, Applied Machine Learning, Prompt Engineering, Application Programming Interface (API), Transfer Learning, Machine Learning Algorithms, Data Preprocessing, Model Evaluation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Active Listening, Interpersonal Communications, Constructive Feedback, Empathy, Diversity and Inclusion, Conflict Management, Communication, Emotional Intelligence, Teamwork, Expectation Management, Collaboration, Performance Review, Relationship Building
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Presentations, Product Demonstration, Prompt Engineering Tools, Generative AI, Storytelling, Brand Strategy, Responsible AI, Branding, Proposal Development, Brand Management, Visual Design, Content Creation, Creative Design, Graphic Design
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Plotly, Statistical Visualization, Interactive Data Visualization, Matplotlib, Data Visualization Software, Network Analysis, Seaborn, Data-Driven Decision-Making, Data Mining, Scatter Plots, R Programming, Graph Theory, Data Science, Time Series Analysis and Forecasting
Build toward a degree
Mixed · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Algorithms, Bayesian Statistics, Theoretical Computer Science, Network Model, Pseudocode, Computational Thinking, Bayesian Network, Data Structures, Graph Theory, Machine Learning Algorithms, Classification Algorithms, Network Analysis, Probability, Probability & Statistics
Mixed · Course · 1 - 3 Months

Skills you'll gain: vSphere DRS & HA, Storage vMotion, Virtual Machines, VMware ESX Servers, vCenter Server Management, Virtualization, Capacity Management, Patch Management, Configuration Management, System Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Performance Testing, IT Security Architecture, Cloud-Based Integration, Application Security, Vulnerability Management, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Analytics, Data Processing, Text Mining, Data Transformation, Distributed Computing, Java, Debugging, Java Programming
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Histogram, Data Analysis, Exploratory Data Analysis, Graphing, Data Visualization Software, Data Literacy, Descriptive Statistics, Statistical Software, Statistics, Data Management, Research, Psychology
Beginner · Course · 1 - 3 Months