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.

DeepLearning.AI
Skills you'll gain: LangGraph, LangChain, AI Workflows, LLM Application, Agentic systems, Prompt Engineering, Data Persistence, Context Management, Human Centered Design
Intermediate · Project · Less Than 2 Hours

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: Angular, Dataflow
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Cybersecurity, Cyber Attacks, Cryptography, Information Systems Security, Cyber Security Policies, Encryption, Data Security, Network Security, Security Controls, Network Protocols, Threat Modeling, Security Strategy, Personally Identifiable Information, Data Storage, Zero Trust Network Access, Governance Risk Management and Compliance
Mixed · Course · 1 - 3 Months

Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Research, Competitive Intelligence, Digital Marketing, Content Creation, Content Performance Analysis, Data-Driven Decision-Making, ChatGPT, Content Strategy, Content Marketing, Marketing Analytics, Digital Content, Web Analytics, AI Enablement, Generative AI, Content Management, Analytics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Presentations, Customer Analysis, Data Visualization, Data Presentation, Microsoft PowerPoint, Target Audience, Business Consulting, Microsoft Excel, Data Storytelling, Business Analysis, Data Analysis, Pivot Tables And Charts, Dashboard, Constructive Feedback
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Manufacturing and Production, Industrial Engineering, Workforce Development, Automation, Sustainable Technologies, Internet Of Things, Emerging Technologies, Robotics, Digital Transformation, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Video Game Development, Game Design, Debugging, Programming Principles, Animations, Scripting Languages, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Object-Relational Mapping, Application Frameworks, Full-Stack Web Development, Software Configuration Management, Application Design, Development Environment, Microsoft Visual Studio, User Interface (UI), Microsoft Development Tools, Application Development, Authorization (Computing), HTML and CSS, Maintainability, Data Modeling, Data Migration, Data Mapping, Business Logic, Web Servers, Debugging
Intermediate · Specialization · 3 - 6 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Sustainable Development, Stakeholder Engagement, Pollution Prevention, Natural Resource Management, Environmental Policy, Environmental Social And Corporate Governance (ESG), Environmental Resource Management, Environment and Resource Management, Community Development, Corporate Sustainability, Risk Management, Land Management, Labor Relations, Occupational Safety And Health, Governance Risk Management and Compliance, Occupational Health, Diversity and Inclusion, Cultural Diversity
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Personally Identifiable Information, Data Integrity, R Programming, Exploratory Data Analysis, Information Privacy, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Pivot Tables And Charts, Data Transformation, Data Visualization Software, Interactive Data Visualization, Data Modeling, Data Presentation, Data Manipulation, Business Intelligence, Microsoft Excel, Microsoft Power Platform, Report Writing, Data Cleansing
Intermediate · Course · 3 - 6 Months