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.

Skills you'll gain: Project Closure, Quality Management, Project Planning, Communication Planning, Sprint Retrospectives, Backlogs, Project Management Life Cycle, Agile Methodology, Project Management, Issue Tracking, Agile Project Management, Stakeholder Analysis, Budget Management, Milestones (Project Management), Project Scoping, Project Documentation, Project Risk Management, Scope Management, Stakeholder Management, Change Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Workflow Management, No-Code Development, Process Improvement, Business Process Automation, Process Design, Automation, Project Management Software, Systems Thinking, Slack (Software), Collaborative Software, Cloud-Based Integration, Data Integration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Browser Compatibility, Test Automation, No-Code Development, Usability Testing, User Acceptance Testing (UAT), Regression Testing, Software Testing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Case, Test Automation, Test Data, Functional Testing, Test Execution Engine, CI/CD, Software Testing, System Testing, No-Code Development, Debugging
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Evaluation, Deep Learning, Statistical Analysis, Clinical Trials, Data Preprocessing, Risk Modeling, Treatment Planning, Data Analysis, Convolutional Neural Networks, Decision Tree Learning, Predictive Modeling, Feature Engineering, Patient Treatment, Image Analysis, Applied Machine Learning, AI Personalization, Diagnostic Radiology, Machine Learning, Random Forest Algorithm, Forecasting
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Month End Closing, Microsoft Excel, Standard Accounting Practices, Accounting, Accruals, General Accounting, Timelines, Financial Auditing, Reconciliation, Presentations, Process Mapping, Business Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Deepseek, LangChain, Generative AI, LLM Application, Tool Calling, AI Workflows, AI Orchestration, Prompt Engineering, Automation, Data Integration, Cross Platform Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Overcoming Objections, Price Negotiation, Contract Negotiation, Vibe coding, Advertising, Google Ads, Closing (Sales), Marketing Psychology, Copywriting, B2B Sales, Social Media Marketing, Product Strategy, Order Management, Generative AI Agents, Brand Strategy, Branding, Marketing Materials, Rapport Building, Customer Retention, Logistics Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Quality, SQL, YAML, Data Pipelines, Data Validation, Data Mart, CI/CD, Data Modeling, Data Transformation, Version Control, Git (Version Control System), Technical Documentation, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Transformation, Data Wrangling, Data Manipulation, Pandas (Python Package), Query Languages, Consolidation, Time Series Analysis and Forecasting, Analytics, Pivot Tables And Charts, Apache Spark
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Distributed Computing, PySpark, Data Pipelines, Performance Tuning, Scalability, Debugging, Performance Analysis, Data Processing
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months