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.

AI CERTs
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Prompt Patterns, Responsible AI, OpenAI, LLM Application, Generative AI, LangChain, Generative AI Agents, ChatGPT, Vibe coding, Natural Language Processing, Artificial Intelligence, AI Personalization, Debugging, Ideation, Productivity, Code Review, Computer Programming Tools, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Skills you'll gain: Variance Analysis, Supplier Performance Management, Contract Management, Supplier Quality Management, Service Level Agreement, Contract Compliance, Performance Measurement, Contract Accounting, Performance Review, Compliance Management, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Applied Machine Learning, Model Evaluation, Scikit Learn (Machine Learning Library), Machine Learning, Predictive Modeling, Scenario Testing, Machine Learning Algorithms, Responsible AI, Regression Analysis, Classification And Regression Tree (CART), Case Studies, Continuous Monitoring, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: First Aid, Mental Health Diseases and Disorders, Safety and Security, Psychological Evaluations, Adult Education, Resilience, Empathy
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Microsoft Copilot, Microsoft 365, Productivity Software, Workflow Management, Microsoft Outlook, Business Correspondence, Business Writing, Productivity, Business Communication
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Writing, Grammar, Editing, Proofreading, Peer Review
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Web Development, Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Web Design, Javascript, Data Validation, Web Content, Animations
Mixed · Course · 1 - 4 Weeks

Universidades Anáhuac
Skills you'll gain: Energy and Utilities, Electric Power Systems, Sustainable Engineering, Sustainable Technologies, Engineering, Environmental Engineering, Environmental Issue, Sustainable Development, Oil and Gas, Hydraulics, Economics, Policy, and Social Studies, Operational Efficiency, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Istio, Terraform, Kubernetes, Cloud-Native Computing, Serverless Computing, Microservices, DevOps, Amazon Web Services, API Gateway, Scalability, CI/CD, Application Deployment, Cloud Deployment, Restful API, Containerization, Amazon DynamoDB, Prometheus (Software), Cloud Applications, Redis
Intermediate · Specialization · 3 - 6 Months

Anthropic
Skills you'll gain: Claude Code, Command-Line Interface, Tool Calling, LLM Application, Software Development Tools, GitHub, Context Management, Code Review, Computer Programming Tools, Software Development, Generative AI Agents, Automation, Software Engineering
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Marketing Psychology, Regional Sales, Sales Process, Consumer Behaviour, Upselling, Customer Relationship Management, Sales Presentation, Customer Analysis, Negotiation, Price Negotiation, Contract Negotiation, Virtual Teams, Customer Retention, Cross-Channel Marketing, Account Management, Personalized Service, Customer Relationship Building
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Public Policies, Political Sciences, Policy Analysis, Policy Development, Program Evaluation, Economics, Policy, and Social Studies, Public Administration, Case Studies, Governance, Electronic Media
Beginner · Course · 1 - 3 Months