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.

University of Amsterdam
Skills you'll gain: Laboratory Experience, Laboratory Techniques, User Feedback, Experimentation, Research
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Performance Testing, AI Workflows, Prompt Engineering, Data-Driven Decision-Making, Generative AI, Data Validation, Model Evaluation, Verification And Validation, A/B Testing, MLOps (Machine Learning Operations), Embeddings
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Application Development, Application Deployment, User Interface (UI) Design, Application Design, Development Environment, Software Development Life Cycle, Test Tools, Application Performance Management, Debugging, Application Security, Event-Driven Programming, Web Services, Extensible Markup Language (XML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Reporting, Business Reporting, Data Presentation, Financial Reporting, Data Visualization, Data Storytelling, Data Visualization Software, Performance Analysis, Case Studies, User Feedback, Usability Testing, Communication
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Operations Research, Strategic Thinking, Strategic Decision-Making, Business Strategy, AI Enablement, Business Analytics, Operational Analysis, Advanced Analytics, Analytics, Process Optimization, Applied Machine Learning, Process Improvement and Optimization, Predictive Modeling, Predictive Analytics, Artificial Intelligence, Statistical Modeling, Decision Making, Resource Allocation, Performance Analysis, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Secure Coding, API Testing, Application Programming Interface (API), Security Testing, Open Web Application Security Project (OWASP), Penetration Testing, Application Security, Restful API, Authentications, Personally Identifiable Information, Brute-force attacks, Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Cybersecurity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Salesforce, Salesforce Development, Version Control, Git (Version Control System), Culture Transformation, CI/CD, GitHub, Devops Tools, DevOps, Continuous Integration, Software Development Tools, Test Automation, Continuous Delivery, Application Deployment, Workflow Management, Release Management, Automation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Financial Services, Banking, Retail Banking, Analytical Skills, Deductive Reasoning, Financial Analysis, Analysis, Finance, Investment Banking, Asset Management, Wealth Management, Decision Making, Detail Oriented
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Technical Documentation, Artificial Neural Networks, PyTorch (Machine Learning Library), Deep Learning, Data Analysis, Applied Machine Learning, Network Architecture, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, Prompt Engineering, Generative AI Agents, AI Enablement, Agentic systems, AI Security, Prompt Patterns, Salesforce, Responsible AI, Artificial Intelligence, Application Lifecycle Management, Data Governance, Data Integration, Data Architecture, Automation, Business Requirements, Customer Relationship Management (CRM) Software, Data Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, DevSecOps, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Biology, Life Sciences, Course Development, Environment, World History, Cell Biology, European History, Taxonomy, Specimen Collection, Mathematical Modeling, Scientific Methods, Probability & Statistics
Beginner · Specialization · 1 - 3 Months