Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Skills you'll gain: Order Fulfillment, Online Advertising, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Advertising Campaigns, Sales, Shipping and Receiving, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft PowerPoint, Microsoft 365, Microsoft Office, Presentations, Multimedia, Animations, Data Visualization, Collaborative Software, Productivity Software, Collaboration, Sales Presentations, Security Controls, Graphic and Visual Design, User Interface (UI), Graphics Software
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: Language Learning, Language Competency, Oral Expression, Vocabulary, Grammar, Oral Comprehension, Culture
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Project, Management Reporting, Project Management Software, Timelines, Project Schedules, Microsoft 365, Project Controls, Project Implementation, Project Management, Project Coordination, Project Scoping, Project Design, Project Portfolio Management, Project Planning, Resource Allocation, Resource Management, Microsoft Office, Project Estimation, Productivity Software, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Web Analytics, Multimedia, Web Content, Drive Engagement, Content Marketing, Content Strategy, Content Development and Management, Analytics, Customer experience improvement, Search Engine Optimization, Performance Analysis, Data Analysis, Information Architecture, Process Improvement and Optimization, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Law, Regulation, and Compliance, Business Risk Management, Consulting, Risk Management, Investigation, Business Consulting, Cyber Security Policies, Security Management, Crisis Management, Enterprise Security, Threat Management, Compliance Management, Entrepreneurship, Safety and Security, Case Studies
Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Apple iOS, Display Devices, Product Planning, Android (Operating System), Business Strategy, Network Analysis, Emerging Technologies, Operating Systems, Peripheral Devices, Market Trend, Technical Standard
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Sales, AI Personalization, Responsible AI, Sales Prospecting, Sales Enablement, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Excel Macros, Data Validation, Scatter Plots, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Regression Analysis, Excel Formulas, Histogram, Data Analysis, Data Integrity, Descriptive Statistics, Data Visualization Software, Spreadsheet Software, Analytics, Statistical Analysis, Data Analysis Expressions (DAX), Statistical Methods, Descriptive Analytics, Automation
Beginner · Specialization · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, IT Security Architecture, Cryptography, Disaster Recovery, Business Continuity, Application Security, OSI Models, Encryption, Information Systems Security, Governance Risk Management and Compliance, Secure Coding, Network Security, Infrastructure Security, Authorization (Computing), Security Engineering, Computer Security, Threat Modeling, Security Controls, Software Development, Identity and Access Management
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Logo Design, Color Theory, Design Elements And Principles, Graphic Design, Design, Typography, Storytelling, Layout Design, User Experience Design, Digital Design, Image Quality, Graphic and Visual Design, Adobe InDesign, Graphic and Visual Design Software, Design Research, Information Architecture, Adobe Photoshop, Web Design and Development, File Management
Beginner · Specialization · 3 - 6 Months