University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Hypertext Markup Language (HTML), Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Responsive Web Design, Web Design, Hypertext Markup Language (HTML), Web Development, User Interface (UI), Animations, Browser Compatibility, Typography
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, Web Applications, UI Components, User Interface (UI) Design, Javascript, Mobile Development, Animations
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Javascript, Responsive Web Design, Ajax, Front-End Web Development, Web Design, Web Applications, Hypertext Markup Language (HTML), Browser Compatibility, Web Development, Cascading Style Sheets (CSS), Usability, Cross Platform Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, UI Components, Information Architecture, Web Analytics and SEO, User Interface (UI), Usability, Interaction Design, Semantic Web, Typography, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), JSON, Full-Stack Web Development, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), UI Components, Javascript and jQuery, Front-End Web Development, Usability, Web Development, Browser Compatibility, User Interface (UI), Interactive Design, Javascript, Creative Design, Web Design and Development, Typography, Web Analytics and SEO, Wireframing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, HTML and CSS, Interaction Design, Game Design, Cascading Style Sheets (CSS), Data Validation, Hypertext Markup Language (HTML), User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), JavaScript Frameworks, Web Design and Development, Web Applications, Web Development Tools, React.js, Javascript
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Mobile Development, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Application Deployment, User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks