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: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Competitive Analysis, Performance Analysis, Marketing, Performance Metric, Content Strategy, Performance Management, Analytics
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Good Manufacturing Practices, Legal Risk, Case Studies
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Quantitative Research, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Service Management, Information Technology Infrastructure Library, Change Control, IT Management, Service Management, Security Management, Technical Services, Enterprise Architecture, Managed Services, Risk Management Framework, IT Security Architecture, Capacity Management, Release Management, Incident Management, Service Level
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Social Media, Digital Media Strategy, Content Creation, Social Media Content, Search Engine Optimization, Social Media Strategy, Guest Relations, Hospitality, Web Analytics and SEO, Digital Marketing, Storytelling, Instagram, Key Performance Indicators (KPIs), Customer Engagement
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Employee Performance Management, People Development, Performance Appraisal, Performance Review, Employee Engagement, Performance Management, Communication, Goal Setting, Goal-Oriented, Performance Metric, Performance Measurement, Performance Analysis, Employee Onboarding, Performance Reporting, Active Listening, Motivational Interviewing, Job Analysis, Personal Development, Interviewing Skills, Job Evaluation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Search Engine Optimization, E-Commerce, Order Management, Product Improvement, Real Time Data, User Feedback, Payment Processing and Collection, Promotional Strategies
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Data Storytelling, Analytics, Excel Formulas, Predictive Modeling, Anomaly Detection, Python Programming, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Single Sign-On (SSO), Identity and Access Management, Authentications, Authorization (Computing), Active Directory, Multi-Factor Authentication, Microsoft Azure, Role-Based Access Control (RBAC), User Accounts, Security Controls, Enterprise Security, Cloud Services
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: NumPy, Data Structures, Data Analysis, Object Oriented Programming (OOP), Exploratory Data Analysis, Image Analysis, Data Science, Data Transformation, Data Manipulation, Big Data, Performance Tuning, Python Programming, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agile Methodology, Agile Project Management, Project Management Life Cycle, Kanban Principles, Project Management Institute (PMI) Methodology, Project Management, Sprint Planning, Performance Measurement, Lean Methodologies, Continuous Improvement Process, Risk Management, Team Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Matplotlib, Data Visualization, Predictive Modeling, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Machine Learning Algorithms, Statistical Inference, Statistical Modeling, Probability & Statistics, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks