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.

Simplilearn
Skills you'll gain: LLM Application, LangChain, Responsible AI, Large Language Modeling, Model Deployment, OpenAI, Data Preprocessing, Hugging Face, Model Evaluation, Transfer Learning, Supervised Learning, Reinforcement Learning
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, Network Troubleshooting, Continuous Monitoring, Identity and Access Management, AWS Identity and Access Management (IAM), Encryption, Network Security, System Monitoring, Network Administration, Amazon Web Services, Security Controls, Cloud Security, Firewall, Network Monitoring, Network Performance Management, Governance
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Data Visualization, Statistical Inference, Data Visualization Software, Correlation Analysis, Microsoft Excel, Probability & Statistics, Regression Analysis, Statistical Hypothesis Testing, Data Analysis, Excel Formulas, Statistical Analysis, Sampling (Statistics), Trend Analysis, Forecasting, Variance Analysis
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Clinical Informatics, Technical Writing, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Simulations, Aesthetics
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Security, Wireless Networks, Network Performance Management, Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Ansible, Network Administration, Firewall, Software-Defined Networking, Network Planning And Design, Network Infrastructure, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption
Advanced · Course · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Tax Preparation, Tax Returns, Income Tax, Payroll Tax, Tax, Tax Laws, Payroll, Revenue Recognition, Expense Management, Compensation and Benefits
Build toward a degree
Intermediate · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Sustainable Development, Stakeholder Engagement, Pollution Prevention, Natural Resource Management, Environmental Policy, Environmental Social And Corporate Governance (ESG), Environmental Resource Management, Environment and Resource Management, Community Development, Corporate Sustainability, Labor Law, Risk Management, Land Management, Mitigation, Occupational Safety And Health, Governance Risk Management and Compliance, Occupational Health, Diversity and Inclusion, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Regulation and Legal Compliance, Data Ethics, Responsible AI, Data Governance, Compliance Management, Information Privacy, Prompt Engineering, Ethical Standards And Conduct, Intellectual Property, AI Enablement, Generative AI, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Programming Interface (API), Node.JS, Software Documentation, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Web Applications, Back-End Web Development, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, Linux Commands, General Networking, File Transfer Protocol (FTP), Network Administration, File Systems, Linux Administration
Beginner · Specialization · 3 - 6 Months