What is a good learning path to become an expert web developer?

Web development is a broad term for the work involved in developing a website for the Internet or an intranet. ... Among web professionals, "web development" usually refers to the main non-design aspects of building web sites: writing markup and coding. The best path to learn is from online resources… i can also suggest you the Best Web Development Online Courses:

• The Complete Web Development Course - Build 15 Projects
• The Complete Web Developer Bootcamp - Beginner to Expert
• Learn Complete Web Development From Scratch

Choose the first course..

From this course you may learn about:

Taking this course will help you achieve your dream of becoming a professional web developer, and you will be ready to build powerful and responsive websites to a highly professional degree using today’s most advanced and up to date web technologies within a few weeks from now.

You will first learn the basic concepts, and straight after that apply them in easy practical examples. Then you will easily navigate to more advanced concepts and use them to build more complex applications. Once you have finished the chapter, you will then move to a bigger challenge where you will confidently build a “REAL LIFE FULL PROFESSIONAL PROJECT” using the skills you acquired in that chapter combined with previous ones.

Here are a few examples of in-chapter activities:

• Embed a relaxing YouTube Video to your website (HTML)
• Create an online checkout form (HTML)
• Highway Speed Control (HTML & JavaScript)
• Outbound and Return Flight date pickers just like the Expedia Website (HTML, CSS, jQuery & jQuery UI)
• Car Mileage range using a beautiful slider (HTML, CSS, jQuery & jQuery UI)
• Interactive carousel slider (HTML, CSS, jQuery & Bootstrap)
• Create a responsive Contact Form (HTML, CSS, PHP & Bootstrap)
• What day of the week were you born? (HTML & PHP)
• Guess the date in 1000 days from now! (HTML & PHP)
• Calculate the route, distance and time between New York and Toronto. (HTML, Javascript, Google Maps API’s)
• Get the geographic coordinates and postcode of any address. (HTML, jQuery, Google Maps API’s, JSON)

And much more …

Following are some of the “FULL PROFESSIONAL PROJECTS” you will build throughout the course:

• Mathematics Tutorials Website (HTML & CSS)
• Maths Game (HTML, CSS & JavaScript)
• Fruits Slice Game (HTML, CSS & JQuery)
• App Landing Page (HTML, CSS & Bootstrap)
• Company Website (HTML, CSS & Bootstrap)
• Stopwatch App (HTML, CSS, jQuery & Bootstrap)
• Drawing App (HTML, CSS, jQuery & jQuery UI, Canvas, HTML5 Local Storage)
• Online Notes App (HTML, CSS, jQuery, Bootstrap, PHP & MySQL) (Full 11h project)
• Highly professional Blog (Wordpress)
• Distance Between Cities Website (HTML. CSS, jQuery, Google Maps)
• Freedom Website with Social Widgets (Facebook, Google+ & Twitter)
• Speed Reader App for the IOS and Google Play Stores
• Fully functional Car Sharing Website (HTML, CSS, jQuery, Bootstrap, PHP & MySQL, Ajax, JSON, Google Maps) (Full 10h project)