Web crawler courses can help you learn how to extract data from websites, manage large datasets, and optimize crawling strategies. You can build skills in parsing HTML, handling JavaScript-rendered content, and implementing rate limiting to avoid getting blocked. Many courses introduce tools like Scrapy and Beautiful Soup, that support web scraping projects, and demonstrate how to use APIs to enhance data collection and analysis.

Skills you'll gain: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Ajax, Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Web Components, UI Components, Web Development, Front-End Web Development, Mobile Development, JavaScript Frameworks, Test Case
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, Usability Testing, Internet Of Things, Design Research, API Design, Amazon Web Services, Embedded Software, Cloud Computing Architecture, Human Computer Interaction, Embedded Systems, Application Programming Interface (API), Prototyping, Network Protocols, User Interface (UI) Design, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Human Capital, Employee Retention, Workforce Development, Human Resource Strategy, Employee Training, Digital Transformation, Organizational Strategy, Employee Engagement, Supply Chain Management, Human Resources Management and Planning, E-Commerce, Customer experience strategy (CX), Brand Strategy, Analytics, Talent Management, Marketing Strategies, Brand Management, Business Technologies, Customer Insights, Performance Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Cloud Platforms, Application Deployment, Containerization, Scalability, YAML, Data Persistence, Configuration Management, Load Balancing, Network Routing
Intermediate · Course · 1 - 3 Months

Unilever
Skills you'll gain: Web Analytics, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Advertising Campaigns, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Regulatory Compliance, Technology Strategies, Commercial Banking, Payment Systems, Data Integrity, Digital Assets, Financial Services, Business Modeling, Innovation, Distributed Computing, Scalability
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Text Mining, Data Visualization Software, Correlation Analysis, Statistical Analysis, Data Analysis, Analytics, Data Collection, Social Network Analysis, Unstructured Data, R Programming, Regression Analysis, Application Programming Interface (API), Trend Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Threat Modeling, Human Factors (Security), Web Development, Web Servers
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Distributed Computing, Scalability, Computer Systems, Software Architecture, File I/O, Linux, Operating Systems, File Systems, Big Data, Performance Testing, C and C++, Scripting, Cloud Development, Command-Line Interface, Performance Tuning, OS Process Management, Communication Systems
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: WordPress, Web Design and Development, HTML and CSS, Web Analytics and SEO, Content Management Systems, Web Content, Cloud Hosting, Web Servers, Application Security
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Git (Version Control System), Android Development, File I/O, Android Studio, Mobile Development, Data Persistence, Java Programming, Application Development, Event-Driven Programming, Computer Programming
Mixed · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Apple iOS, Swift Programming, iOS Development, Model View Controller, Apple Xcode, Mobile Development, User Interface (UI), Application Design, Application Development, Objective-C (Programming Language), UI Components, Animations, User Interface and User Experience (UI/UX) Design, Object Oriented Programming (OOP), Application Frameworks, Interaction Design, Programming Principles, Data Persistence, Integrated Development Environments, Persistence
Intermediate · Specialization · 3 - 6 Months