If you just get started your a front-end developer career, it might be overwhelming to learn something every day. To optimize your time, it might be useful to know solid resources, to keep up with a demanding programmers’ environment.

In this brief article, you will find 6 useful resources that in my opinion I think every beginning a front-end developer career should bookmark.

1. Mozilla Developer Network: probably the strongest names in the open source world. It contains HTML, CSS, JavaScript basic and advanced articles as well as modules for server-side development, tools, and testing.

2. Stack Overflow: most trusted online community for developers to learn and share their knowledge.

3. The Front-End Checklist: is an exhaustive list of all elements you need to have / to test, before launching your site / HTML page to production.

4. Javascript.info: contains modern JavaScript tutorials from the basics to advanced topics with simple, but detailed explanations.

5. CSS Tricks: contains tips and techniques on using CSS.

6. Smashing Magazine: contains reliable, useful and practical articles and guides to web designers and developers.

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