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.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, Biostatistics, Exploratory Data Analysis, Statistical Analysis, Unix, Data Science, Data Management, Statistical Methods, Command-Line Interface, Statistical Hypothesis Testing, Linux Commands, Data Analysis Software, Data Quality, Data Structures, Data Analysis, Computer Science, Molecular Biology, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

SAE Institute México
Skills you'll gain: Automation, Instrumental Music, Music, Music Performance
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electronic Components, Schematic Diagrams, Prototyping, Hardware Design, Electronics, Engineering Design Process, Technical Design, Electronics Engineering, Electronic Systems, Manufacturing Standards, Technical Standard, Engineering Documentation, Workflow Management, Data Visualization, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Dashboard, Surveys, Newsletters, Search Engine Optimization, Marketing Budgets, Email Automation, Marketing Analytics, Marketing Automation, Marketing Planning, Spreadsheet Software, Web Analytics, Email Marketing, Content Marketing, Performance Reporting, Social Media Management, Google Analytics, Collaborative Software, Lead Generation, Pivot Tables And Charts
Beginner · Specialization · 3 - 6 Months

Niel Asher Education
Skills you'll gain: Rehabilitation, Manual Therapy, Exercise Therapy, Physical Therapy, Clinical Practices, Patient Evaluation, Adaptive Equipment, Mindfulness, Sports Medicine, Health And Wellness Coaching, Occupational Therapy, Occupational Safety And Health, Health Education, Health Promotion, Mental Health Therapies, Mental and Behavioral Health, Health Care, Mental Health, Mental and Behavioral Health Specialties, Mental Health Diseases and Disorders
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Security Management, Incident Management, Cyber Risk, Regulatory Compliance, Compliance Management, Information Systems Security, Cyber Security Strategy, Cybersecurity, Enterprise Security, Federal Information Security Management Act, Law, Regulation, and Compliance, Regulation and Legal Compliance, Payment Card Industry (PCI) Data Security Standards, Computer Security, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Network Security, Sarbanes Oxley Act (SOX) Compliance, General Data Protection Regulation (GDPR)
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Business Modeling, Mathematical Modeling, Regression Analysis, Statistical Modeling, Risk Analysis, Forecasting, Predictive Analytics, Business Analytics, Simulation and Simulation Software, Probability, Logistic Regression, Vocabulary
Mixed · Course · 1 - 4 Weeks

Indian Institute of Science
Skills you'll gain: Electronics Engineering, Semiconductors, Electronics, Electronic Hardware, Biomedical Technology, Hardware Design, Embedded Software, Materials science, Chemical and Biomedical Engineering, Mechanical Design, Manufacturing Processes, Communication Systems, Laboratory Equipment, Engineering Design Process, Laboratory Testing, Analytical Testing
Beginner · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Computer Security Awareness Training, Cybersecurity, Security Awareness, Mobile Security, Generative AI, Cyber Security Policies, Human Factors (Security), Computer Security, Email Security, Data Security, Safety and Security, Data Ethics, Cloud Security, Law, Regulation, and Compliance, Artificial Intelligence, Regulatory Compliance, Prompt Engineering, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Regulation and Legal Compliance, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Regression Analysis, Data Validation, Pivot Tables And Charts, Spreadsheet Software, Data Management, Data Visualization Software, Data Entry, Statistical Modeling, Data Cleansing, Financial Analysis, Predictive Modeling, Financial Modeling, Data Analysis Expressions (DAX), Data Import/Export, Analysis, Mathematical Modeling, Complex Problem Solving, Problem Solving
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flask (Web Framework), Restful API, Software Testing, Databases, Software Quality (SQA/SQC), JSON, Application Programming Interface (API), MongoDB, Full-Stack Web Development, Web Applications, NoSQL, Back-End Web Development, Python Programming, Maintainability, Application Deployment, Data Validation, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), Application Deployment, Web Applications, Hypertext Markup Language (HTML), Application Development, Web Development, HTML and CSS, Python Programming
Beginner · Guided Project · Less Than 2 Hours