W3School is one of the best website to learn basic web languages like Html, Css, Javascript, Html5, Css3, Php.
I have been using W3School since 2013 when I was in the collage perusing my B. Tech in computer science and now I am working in IT and still using this site occasionally when I work on front end.
It is a best website for a beginner who wants to learn some web technologies or want to make career in web development. Students must go through it. It's content is easy available. You can find any web content here. Easily understandable and easy to learn. Even you can make a small website during the leaning phase. I learnt Html, css and Javascript during may initial days. Even teachers also recommend this website to learn basic of web development.
The best part of this website is its editor. You can even practice the language on its IDE. Through which you can get the better understanding of the keywords.
Even front end and fullstack developers also use this site to get the information of specific keyword, get the alternative keyword, cross browser compatible keywords etc.
The cons of this website is that's it's contain only basic information even Html and Css content are enough for everyone but Javascript and other require more. It make you a beginner level developer. From beginner to intermediate or expert you need to look other content as well. It contain new languages as well like node, python, SQL but content quality is not that good as Html, Css content. It's editor is good to test small small keywords but not for big and complex dynamic content.
Overall if you are beginner or interested in web development then W3School is a best option to learn web languages like html, css, Javascripts etc.
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