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: Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Responsive Web Design
Intermediate · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Photography, Photo Editing, Post-Production, Creativity, Lifelong Learning, Photo/Video Production and Technology, Adobe Photoshop, Growth Mindedness, Creative Thinking, Storytelling, Aesthetics, Self-Awareness, Personal Development, Ethical Standards And Conduct, Persistence, Curiosity, Resilience, Overcoming Obstacles, Decision Making, Patience
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Musical Composition, Music, Open Source Technology, Media Production, Digital Publishing, Creativity, Content Creation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Software Testing, Test Planning, Test Case, Acceptance Testing, Functional Testing, Software Quality Assurance, Quality Assurance, Usability Testing, White-Box Testing, Integration Testing
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Dataflow, Data Lakes, Data Pipelines, Model Deployment, Data Processing, Extract, Transform, Load, Tensorflow, Data Architecture, Apache Spark, Real Time Data, Big Data, Data Warehousing, Data Infrastructure, Data Integration, Data Security, Data Quality, Apache Hadoop, Data Management, Cloud Computing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Public Safety and National Security, International Relations, Social Studies, Security Strategy, Cultural Diversity, Political Sciences, Policy Analysis, Intelligence Collection and Analysis, Policy Development, World History
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, CI/CD, Cloud Infrastructure, Google Cloud Platform, Cloud-Native Computing, Cloud Applications, Containerization, Identity and Access Management, Infrastructure As A Service (IaaS), Application Deployment, Cloud Management, Cloud Services, Continuous Integration, Cloud Computing, Cloud Storage, DevOps, Continuous Delivery, Role-Based Access Control (RBAC), Prompt Engineering, Load Balancing
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Presentation, Data Collection, Data Storytelling, Data Cleansing, Statistical Analysis, Data Manipulation, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Generative AI, AI Product Strategy, AI Enablement, Generative AI Agents, Data Integration, Business Solutions, Customer experience strategy (CX), Strategic Thinking, Data Strategy, Innovation, Performance Analysis, Performance Measurement, Business Analysis, Project Risk Management, Solution Design, Business Strategies, Business Transformation, Prompt Engineering, Business Process Management, Decision Making
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Stakeholder Management, Product Management, Team Leadership, Product Development, Commercialization, Product Lifecycle Management, Team Management, Product Strategy, Marketing, Market Opportunities, Requirements Management, Innovation, Leadership, Agile Methodology, User Experience, Customer Insights
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Verification And Validation, Health Systems, Systems Engineering, Model Based Systems Engineering, Health Technology, Healthcare Industry Knowledge, Systems Integration, Requirements Analysis, Enterprise Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks