First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, UI Components, Hypertext Markup Language (HTML), Typography, Web Design, Maintainability, Debugging, Web Design and Development, Interactive Design, Semantic Web, Color Theory
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, User Experience Design, Cascading Style Sheets (CSS), Usability, Web Content Accessibility Guidelines, User Experience, Javascript, Front-End Web Development, Systems Development Life Cycle, Hypertext Markup Language (HTML), Mockups, GitHub
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Facebook, Meta Ads Manager, Copywriting, Social Media Marketing, Social Media, Social Media Strategy, Social Media Content, Instagram, Social Media Management, Marketing, Social Media Campaigns, Driving engagement, Advertising Campaigns, Event Marketing, Digital Advertising, Drive Engagement, Promotional Strategies, Content Creation, Advertising, Customer Engagement
Mixed · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, UI Components, User Interface (UI) Design, Application Design, Web Design, User Interface and User Experience (UI/UX) Design, Frontend Performance, Figma (Design Software), Design Elements And Principles, Style Guides
Intermediate · Guided Project · Less Than 2 Hours

University of Huddersfield
Skills you'll gain: Applied Mathematics, Analytical Skills, Calculus, Advanced Mathematics, Model Optimization, Logical Reasoning, Analysis, Data-Driven Decision-Making, Integral Calculus, Derivatives, Mathematical Theory & Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Application Deployment, Mobile Development, Programming Principles, Application Development, UI Components, User Interface (UI), Knowledge of Apple Software, User Interface (UI) Design, Functional Design
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Seaborn, Matplotlib, Data Transformation, Plot (Graphics), Pandas (Python Package), Data Manipulation, Data Visualization Software, NumPy, Data Visualization, Data Analysis, Scatter Plots, Data Science, Jupyter, Graphing, Data Processing, Box Plots, Python Programming, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Wireframing, Visual Design, Typography, Design Elements And Principles, Layout Design, User Experience Design, User Experience, Graphic and Visual Design, Adobe XD, Prototyping, Graphic and Visual Design Software, Figma (Design Software), Oral Expression, Design Reviews, Interactive Design, Color Theory, Responsive Web Design
Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, Version Control, R (Software), Big Data, R Programming, General Science and Research, Software Development Tools, GitHub, Statistical Programming, Git (Version Control System), Software Versioning, Software Configuration Management, Data Analysis, Statistical Reporting, Integrated Development Environments, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Web Applications, UI Components, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: PostgreSQL, Operational Databases, SQL, Database Management, Transaction Processing, Data Maintenance, Database Systems, Stored Procedure, Performance Tuning, Databases, Database Architecture and Administration, Query Languages, Data Migration, PL/SQL, Relational Databases, Database Development, Data Management, JSON, Database Management Systems, Operating System Administration
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Mixed · Course · 1 - 4 Weeks