HTML and CSS courses can help you learn web page structure, styling techniques, responsive design, and accessibility principles. You can build skills in creating layouts, optimizing user interfaces, and ensuring cross-browser compatibility. Many courses introduce tools like code editors such as Visual Studio Code and design software like Figma, that support implementing your designs and refining user experiences. By mastering these skills and tools, you’ll be equipped to create visually appealing and functional websites.

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Programming Principles, Python Programming, Computer Programming, Software Engineering, Simulations
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Scripting, Geospatial Mapping, Dashboard, Data Visualization Software, Data Processing, Interactive Data Visualization, Data Manipulation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Extensible Markup Language (XML), Data Processing, Cascading Style Sheets (CSS), JSON, Data Capture, Application Programming Interface (API), MongoDB, Data Storage, Hypertext Markup Language (HTML)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Microsoft Power Platform, Hypertext Markup Language (HTML), No-Code Development, Microsoft 365, UI Components, Development Environment, Web Content, Web Design and Development, Web Design, Content Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Search Engine Optimization, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Analytics and SEO, Web Development, Javascript, Frontend Performance, Browser Compatibility
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, iOS Development, CI/CD, User Interface (UI) Design, .NET Framework, Unit Testing, Software Testing, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Version Control, Test Script Development, Continuous Integration, Test Execution Engine, Test Tools, Automation, Scripting, Web Scraping, Hypertext Markup Language (HTML), Software Design Patterns, Development Environment, Integrated Development Environments, Debugging, Command-Line Interface, File I/O
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Graphing, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, Responsive Web Design, Storyboarding, Adobe XD, Information Architecture, User Experience, UI/UX Research, Web Design, Usability Testing, Cross Platform Development, Figma (Design Software), User Interface and User Experience (UI/UX) Design, User Centered Design, Prototyping, Wireframing, User Research, User Story, Presentations, Human Factors, Persona (User Experience)
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Prompt Engineering, OpenAI API, Responsive Web Design, Application Programming Interface (API), Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Application Development, Large Language Modeling, User Interface (UI), Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Applications, SQL, Database Application, Data Access, Go (Programming Language), Database Management, Relational Databases, Web Development, Back-End Web Development, Secure Coding, Application Security
Intermediate · Guided Project · Less Than 2 Hours