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.

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 Pennsylvania
Skills you'll gain: FinTech, Portfolio Management, Consumer Lending, Return On Investment, Blockchain, Cryptography, Credit/Debit Card Processing, Digital Assets, Financial Services, Payment Processing, Investments, Lending and Underwriting, Investment Management, Technology Strategies, Emerging Technologies, Risk Analysis, Portfolio Risk, Fundraising and Crowdsourcing, Market Analysis, Fraud detection
Beginner · Specialization · 3 - 6 Months

GitLab
Skills you'll gain: Telecommuting, Virtual Teams, Team Management, Human Resources Management and Planning, Culture Transformation, Performance Metric, Leadership and Management, Organizational Change, Organizational Strategy, Business Transformation, Organizational Leadership, Team Building, Performance Management, Adaptability, Collaboration, Business Strategy, Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Animation and Game Design, Motion Graphics, Adobe After Effects, Computer Graphics, Post-Production, Cinematography, Video Production
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Music, World Music, Production Management, Production Planning, Team Management, Digital Publishing, Social Media Management, Program Evaluation, Relationship Building, Promotional Strategies, Cultural Diversity, Target Audience
Beginner · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Verbal Communication Skills, Cultural Sensitivity, Public Speaking, English Language, Vocabulary, Language Learning, Business Communication, Communication, Interpersonal Communications, Professionalism, Active Listening
Mixed · Course · 1 - 3 Months

Skills you'll gain: Consulting, Relationship Management, Business Consulting, Product Strategy, SAP Applications, Technical Consulting, Relationship Building, Project Management, Rapport Building, Consultative Approaches, Project Implementation, Agile Methodology, Company, Product, and Service Knowledge, Waterfall Methodology, Solution Delivery, Systems Thinking, Business Transformation, Digital Transformation, Design Thinking, Business Research
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing, Public Cloud, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Serverless Computing, Cloud Security, Amazon DynamoDB, Amazon S3, Databases, Data Storage, Network Architecture, Data Migration, Scalability
Beginner · Course · 3 - 6 Months

Intuit
Skills you'll gain: Inventory Accounting, Inventory Control, Depreciation, Fixed Asset, Property Accounting, Financial Accounting, Asset Management, Accounting, Financial Statements, Lease Contracts, Accounting Records, Bookkeeping, Income Statement, Balance Sheet, Capital Expenditure, Operating Expense
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Exercise Science, Kinesiology, Physiology, Sports Medicine, Nutrition and Diet, Pharmacology, Public Health and Disease Prevention, Immunology, Preventative Care, Respiration, Athletic Training, Endocrinology, Chronic Diseases, Vital Signs, Biochemistry, Public Health, Mental Health
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Computational Logic, Systems Design, Verification And Validation, Systems Analysis, Software Systems, Theoretical Computer Science, Computational Thinking, System Design and Implementation, Simulations, Programming Principles, Software Architecture, Software Design, Model Evaluation, Graph Theory, Software Testing, Hardware Architecture, Software Quality Assurance, Computer Architecture, Algorithms, Logical Reasoning
Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Photo Editing, Photography, Image Quality, Color Theory
Beginner · Course · 1 - 3 Months