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: Object-Relational Mapping, Spring Framework, Hibernate (Java), Apache Maven, Model View Controller, Relational Databases, Database Design, MySQL, Web Applications, Java Platform Enterprise Edition (J2EE), Java Programming, Java, Full-Stack Web Development, Database Application, Database Development, Authentications, Object Oriented Design, Back-End Web Development, Object Oriented Programming (OOP), Software Design Patterns
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: React.js, JavaScript Frameworks, Front-End Web Development, Javascript, UI Components, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, Web Design and Development, React.js, Application Programming Interface (API), HTML and CSS, Angular, Restful API, Web Development, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: User Interface (UI), Responsive Web Design, User Interface and User Experience (UI/UX) Design, Digital Design, Web Design, User Experience, Motion Graphics, Adobe XD, Animations, Prototyping, Graphic Design, Augmented and Virtual Reality (AR/VR), Style Guides
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Front-End Web Development, Cascading Style Sheets (CSS), Web Development Tools, React.js, User Interface (UI), Javascript, Web Servers, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Application Programming Interface (API), Ajax, Web Development, General Networking, Web Servers, Web Applications, Javascript, Scalability, Event-Driven Programming, Server Side, Real Time Data, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Responsive Web Design, Web Design, UI Components, Information Architecture, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Full-Stack Web Development, Authentications, Software Testing, Development Testing, Unit Testing, Debugging, Object-Relational Mapping, Authorization (Computing), MySQL, Test Case, Web Development, Database Development, Back-End Web Development, Web Applications, Software Documentation, Test Automation, Document Management, File Management, Model View Controller
Mixed · Course · 1 - 3 Months

Skills you'll gain: Kibana, Dashboard, Interactive Data Visualization, Data Presentation, Data Storytelling, Web Analytics, Data Visualization Software, Exploratory Data Analysis, Data Analysis, Business Intelligence, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Applications, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Cloud Computing, Application Programming Interface (API), Virtual Environment, Javascript, Database Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Java, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Data Mapping, Data Validation
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: User Accounts, MongoDB, Full-Stack Web Development, JavaScript Frameworks, Command-Line Interface, Web Applications, Web Development, Javascript, Data Access, Data Validation, Query Languages
Mixed · Course · 1 - 3 Months