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.

University of Michigan
Skills you'll gain: Wireframing, Responsive Web Design, HTML and CSS, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Web Design, Hypertext Markup Language (HTML), Browser Compatibility, Bootstrap (Front-End Framework), Javascript, Front-End Web Development, User Interface (UI), Verification And Validation, Web Development, Web Design and Development, Interactive Design, Application Frameworks, Usability, Code Review, Event-Driven Programming
Beginner · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Web Analytics and SEO, AI Personalization, Semantic Web, Algorithms, Query Languages, Network Analysis, Text Mining, Information Architecture, Performance Testing, Natural Language Processing, User Research, Data Structures, Graph Theory, UI/UX Research, Applied Machine Learning, Linear Algebra
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Version Control, Continuous Integration, Functional Testing, Automation, Scripting, Web Scraping, UI Components, Hypertext Markup Language (HTML), File Management, Development Environment, Debugging, Command-Line Interface
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Ajax, JSON, JavaScript Frameworks, Javascript, Application Programming Interface (API), Restful API, Web Applications, Real Time Data, Application Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Javascript, Responsive Web Design, Ajax, Front-End Web Development, Bootstrap (Front-End Framework), Web Design, Hypertext Markup Language (HTML), Browser Compatibility, Web Design and Development, Web Development, JSON, Web Applications, Scripting, Usability, Cross Platform Development, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Web Content Accessibility Guidelines, Compliance Auditing, Compliance Management, Regulatory Compliance, Case Studies, Usability, Web Design, User Interface (UI), Auditing, Automation, Consulting, Test Tools, Stakeholder Communications, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LLM Application, Application Development, Large Language Modeling, UI Components, Generative AI, Semantic Web, Performance Tuning, Natural Language Processing, Database Software, Scalability
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Large Language Modeling, ChatGPT, Prompt Engineering, Generative AI, System Monitoring, Application Security, Natural Language Processing, Semantic Web, Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), Web Development Tools, Application Deployment, Web Design and Development, Software Development Tools, Web Development, Front-End Web Development, Interactive Design, User Interface (UI) Design, GitHub
Beginner · Course · 3 - 6 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Tools, Test Execution Engine, Test Planning, Application Security, Mobile Development, Browser Compatibility, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Open Web Application Security Project (OWASP), Application Security, Cyber Attacks, Threat Modeling, Risk Management Framework, Secure Coding, Vulnerability Assessments, SQL
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Natural Language Processing, Data Mining, Unstructured Data, Big Data, Web Scraping, Machine Learning Algorithms, Web Analytics and SEO, Machine Learning, Information Architecture, Statistical Methods
Mixed · Course · 1 - 3 Months