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.

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Arithmetic, Computational Thinking, Public Key Cryptography Standards (PKCS), Data Structures, Applied Mathematics, Logical Reasoning, Deductive Reasoning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Tableau Software, Dashboard, Market Data, Data-Driven Decision-Making, Data Presentation, Feature Engineering, Analytical Skills, Data Ethics, Data Visualization, Exploratory Data Analysis, Data Visualization Software, Case Studies, Business Intelligence, Business Analytics, Financial Market, Interactive Data Visualization, Data Analysis, Financial Data, Financial Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Autoencoders, Feature Engineering, Unsupervised Learning, Supervised Learning, Classification Algorithms, Regression Analysis, Dimensionality Reduction, Time Series Analysis and Forecasting, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Reinforcement Learning, Generative Adversarial Networks (GANs), Deep Learning, Data Analysis, Statistical Methods, Data Preprocessing, Machine Learning, Data Science, Python Programming
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Dashboard, Interactive Data Visualization, Data Presentation, Data Visualization Software, Business Intelligence, Amazon Web Services, Business Analytics, Exploratory Data Analysis, Data Analysis, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Architecture, Computer Graphics, Software Design, Maintainability, Software Design Patterns, Scalability, System Design and Implementation, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Descriptive Analytics, Business Analytics, Operations Research, Analytics, Predictive Analytics, Operational Analysis, Business Operations, Business Intelligence, Data Analysis, Operations Management, Data-Driven Decision-Making, Demand Planning, Forecasting, Simulation and Simulation Software, Business Modeling, Inventory and Warehousing, Process Optimization, Risk Analysis, Supply Chain Planning, Decision Making
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Compensation Management, Compensation Strategy, Compensation and Benefits, Payroll, Benefits Administration, Human Resource Strategy, Labor Compliance, Workers Compensation, Employee Retention, Employee Performance Management, Payroll Tax, Employee Engagement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Stakeholder Communications, Campaign Management, Performance Reporting, Email Marketing, Data-Driven Decision-Making, Smart Goals, Marketing Analytics, Marketing Effectiveness, Gap Analysis, Performance Analysis, Marketing Strategies, Content Performance Analysis, Strategic Leadership, Strategic Marketing, Business Writing, Workflow Management, Strategic Planning, Data Visualization, A/B Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Animations, User Interface (UI) Design, Game Design, C# (Programming Language), File Management, Performance Tuning, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Cloud Hosting, Cloud Computing, Cloud Platforms, Cloud Services, Cloud Deployment, Cloud Technologies, Cloud Infrastructure, Cloud Computing Architecture, Public Cloud, Infrastructure As A Service (IaaS), Managed Services, Serverless Computing, Virtual Machines, Hybrid Cloud Computing, Software As A Service, Microsoft Azure, Platform As A Service (PaaS), Emerging Technologies, Containerization, Scalability
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Business Writing, Business Correspondence, Professional Networking, English Language, Oral Expression, Business Communication, Rapport Building, Telephone Skills, Language Competency, Presentations, Relationship Building, Verbal Communication Skills, Grammar, Vocabulary, Communication, Scheduling
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Digital Advertising, Google Ads, Online Advertising, Target Audience, Performance marketing, Marketing Budgets, Advertising Campaigns, Cross-Channel Marketing, Digital Marketing, Campaign Management, Paid media, Social Media Campaigns, Marketing Analytics, Media Planning, Dashboard, Budget Management, Facebook, Data Analysis, Market Trend
Intermediate · Course · 1 - 4 Weeks