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.

University of Pennsylvania
Skills you'll gain: Operations Management, Process Improvement, Balance Sheet, Business Operations, Operational Efficiency, Process Analysis, Business Process, Financial Statement Analysis, Financial Statements, Finance, Financial Accounting, Performance Improvement, Capital Budgeting, Branding, Financial Modeling, Strategic Marketing, Marketing, Analysis, Case Studies, Business Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Sprint Retrospectives, Timelines, Project Schedules, Workflow Management, Campaign Management, Project Management, Project Management Software, Marketing Effectiveness, Organizational Skills, Advertising Campaigns, Project Planning, Marketing Analytics, Agile Methodology, Process Improvement, Prioritization, Process Analysis, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Linux Administration, Linux Servers, IT Automation, Linux, Systems Administration, Infrastructure as Code (IaC), System Configuration, YAML, Application Deployment, Containerization, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Visualization (Computer Graphics), 3D Assets, Computer Graphics, Design Software
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Analysis, Capital Expenditure, Return On Investment, Business Strategy, Data-Driven Decision-Making, Capital Budgeting, Financial Modeling, Financial Statements, Corporate Finance, Risk Analysis, Presentations
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Programming Principles, Algorithms, C (Programming Language), Computer Programming, Software Engineering, Problem Solving, Solution Design
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Journalism, Research, Interviewing Skills, Vocabulary, Media and Communications, Grammar, Electronic Media, Digital Publishing, English Language, Storytelling, Editing, Trend Analysis, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

Skills you'll gain: Robotic Process Automation, Customer experience improvement, ChatGPT, Data Science, Machine Learning Methods
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Data Preprocessing, Exploratory Data Analysis, Logistic Regression, Statistical Machine Learning, Model Evaluation, Supervised Learning, Decision Tree Learning, Probability & Statistics, Statistics, Machine Learning Software, Classification And Regression Tree (CART), Workflow Management, Predictive Modeling, Random Forest Algorithm, Feature Engineering, SAS (Software), Machine Learning, Applied Machine Learning
Advanced · Professional Certificate · 3 - 6 Months

AI CERTs
Skills you'll gain: Generative AI Agents, Agentic systems, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Video Game Development, Animation and Game Design, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, iOS Development, Apple Xcode, Application Deployment, Swift Programming, User Interface (UI), Artificial Intelligence and Machine Learning (AI/ML), Knowledge of Apple Software, Image Analysis, Real Time Data, Mobile Development, Model Deployment, User Interface and User Experience (UI/UX) Design, Computer Vision, Natural Language Processing, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Responsible AI, Data Storytelling, AI Workflows, Data Presentation, AI Enablement, Predictive Modeling, Decision Support Systems, Strategic Decision-Making, Data-Driven Decision-Making, Business Intelligence, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Predictive Analytics, Scikit Learn (Machine Learning Library), Machine Learning, Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months