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.

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Setting Appointments, Google Workspace, Google Sheets, Software Installation
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: OpenAI, Code Review, Integrated Development Environments, Tool Calling, Cloud Development, Prompt Engineering, Computer Programming Tools, AI Workflows, Development Environment, Context Management, Command-Line Interface, Generative AI, Software Technical Review, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

HubSpot Academy
Skills you'll gain: Closing (Sales), Booking (Sales), Overcoming Objections, Sales Management, Sales Training, Prospecting and Qualification, Inside Sales, Sales Enablement, Sales Process, Sales Prospecting, HubSpot CRM, Lead Generation, Sales, Sales Strategy, Consultative Selling, Consumer Behaviour, Management Training And Development, Target Market, Service Level Agreement, Employee Training
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Database Design, Shiny (R Package), Data Visualization, Data Wrangling, Dashboard, Exploratory Data Analysis, Relational Databases, Data Analysis, Ggplot2, Model Evaluation, Data Presentation, SQL, Plot (Graphics), Databases, Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Diversity and Inclusion, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Diversity Training, People Management, Growth Mindedness, Diversity Awareness, Team Management, Team Leadership, Organizational Leadership, Diversity Programs, Leadership, Open Mindset, Social Justice, Leadership Studies, Empowerment, Personal Development, Self-Awareness, Human Resource Policies, Organizational Change
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Sociology, Social Studies, Social Sciences, Socioeconomics, Culture, Political Sciences, Economics, Qualitative Research, Research Methodologies, Science and Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Campaign Management, Copywriting, Marketing Strategy and Techniques, Personally Identifiable Information, Email Automation, Digital Marketing, Marketing Automation, Newsletters, HubSpot CRM, Marketing Analytics, Promotional Strategies, Data Ethics, A/B Testing, Smart Goals, Customer Retention, Key Performance Indicators (KPIs), Goal Setting
Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media, Social Media Marketing, Target Audience, Social Media Strategy, Digital Transformation, Professional Networking, Marketing Strategies, Social Network Analysis, Market Analysis, Real Time Data
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Analytics and SEO, Data Storytelling, Analytics, Statistical Methods, Statistical Analysis, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Cloud Computing, Google Cloud Platform, Cloud Management, Cloud Solutions, Cloud Infrastructure, Identity and Access Management, Cloud Computing Architecture, System Monitoring, Cloud Storage
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Lightweight Directory Access Protocols, System Monitoring, Scripting, Dashboard, Business Intelligence, Scatter Plots, Pivot Tables And Charts, Servers, Data Visualization Software, Data-Driven Decision-Making, Software Installation, Role-Based Access Control (RBAC), Data Analysis Expressions (DAX), Data Pipelines, Authentications, Unstructured Data, Data Visualization, Windows Servers, Network Troubleshooting
Beginner · Specialization · 3 - 6 Months