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: AI Security, Open Web Application Security Project (OWASP), Vulnerability Assessments, Vulnerability Management, Application Security, Security Controls, Security Testing, Authentications, Threat Management, Dependency Analysis, Application Programming Interface (API), API Design, Risk Analysis, Data Validation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, JavaScript Frameworks, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, HTML and CSS, Javascript, Cascading Style Sheets (CSS)
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Test Driven Development (TDD), Vulnerability Assessments, Unit Testing, Code Coverage, Vulnerability Scanning, Continuous Integration, Dependency Analysis, Secure Coding, CI/CD, Software Testing, Test Automation, Integration Testing, Continuous Deployment, Software Versioning, Large Language Modeling
Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Closing (Sales), Sales Prospecting, Sales Presentations, Overcoming Objections, Sales, Sales Process, Sales Strategy, Sales Enablement, Sales Management, Sales Pipelines, Customer Relationship Management (CRM) Software, Lead Generation, Negotiation, Business Ethics, Global Marketing, Customer Engagement, Business Process Automation, Law, Regulation, and Compliance, Key Performance Indicators (KPIs), Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Vulnerability Assessments, Vulnerability Management, Cyber Threat Intelligence, MITRE ATT&CK Framework, Cybersecurity, Endpoint Detection and Response, Intrusion Detection and Prevention, Cyber Attacks, Security Information and Event Management (SIEM), Event Monitoring, Cyber Engineering, Patch Management, Network Security, Malware Protection, Continuous Monitoring, Security Management, Cyber Risk, Digital Forensics, Risk Analysis
Intermediate · Specialization · 1 - 3 Months

Princeton University
Skills you'll gain: Data Structures, Algorithms, Java, Performance Testing, Computer Programming, Java Programming, Theoretical Computer Science, Object Oriented Programming (OOP)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Dictionary, Data Quality, Data Management, Data Cleansing, Data Validation, Data Governance, Data Integrity, Case Studies, Communication Strategies, Stakeholder Communications, Cross-Functional Collaboration, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Storytelling, Data Presentation, Marketing Analytics, Marketing Effectiveness, Key Performance Indicators (KPIs), Drive Engagement, Data Visualization, Google Analytics, Performance Reporting, Consumer Behaviour, Business Reporting, Performance Metric
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Financial Regulation, Business Continuity Planning, Compliance Management, Disaster Recovery, Financial Regulations, Operational Risk, Bank Regulations, Risk Management, Business Risk Management, Financial Industry Regulatory Authorities, Financial Services, Governance, IT Management, Information Assurance, Market Trend, Internal Controls, Emerging Technologies, Banking, Blockchain
Beginner · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Embedded Systems, Embedded Software, Internet Of Things, Operating Systems, Real-Time Operating Systems, Wireless Networks, System Programming, Hardware Architecture, Computer Architecture, Simulations, C (Programming Language), Network Protocols
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Apache Hadoop, File Systems, Big Data, Data Infrastructure, Java, Data Structures, File Management, Systems Architecture, Data Processing, Distributed Computing, Data Storage, Development Environment, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Information Systems Security, Cybersecurity, Identity and Access Management, Authentications, Personally Identifiable Information, Security Controls, Threat Management, Data Security, Information Privacy, Network Security, Authorization (Computing)
Intermediate · Course · 1 - 3 Months