The resources here are to help you build a strong foundation in becoming a well-rounded front end architect. This includes understanding HTML, CSS, and JavaScript as well as topics such as networking, software design, and design patterns.
Google Web Fundamentals
Mozilla Developer Network
web.dev
World Wide Web Consortium (W3C)
Ecma International, Technical Committee 39 - ECMAScript
Lighthouse
Google Tag Manager
Google Search Console
Interview Questions for front-end-Developer
Front End Web Development Quiz
Front-end-Developer-Interview-Questions
Cracking the front-end interview
Been interviewing with a lot of tech startups as a frontend dev, here are the technical questions I've been asked
Front End Job Interview Questions
Front End Web Developer
Full Stack Web Developer
React Nanodegree
Learn React Front End Web Development
JavaScript: The Good Parts
Eloquent JavaScript
Leaning JavaScript Design Patterns
Web Performance in Action
High Performance Web Sites
High Performance Browser Networking
Even Faster Web Sites Performance
What Happens When You Type google.com Into Your Browser and Press Enter?
A Guide to Becoming a Full-Stack Developer in 2017
Our entire team of engineers use this front end development guide