# HTML Questions Answers to [Front-end Job Interview Questions - HTML Questions](https://github.com/h5bp/Front-end-Developer-Interview-Questions/blob/master/src/questions/html-questions.md). Pull requests for suggestions and corrections are welcome! - [What does a doctype do?](#what-does-a-doctype-do) - [How do you serve a page with content in multiple languages?](#how-do-you-serve-a-page-with-content-in-multiple-languages) - [What kind of things must you be wary of when designing or developing for multilingual sites?](#what-kind-of-things-must-you-be-wary-of-when-designing-or-developing-for-multilingual-sites) - [What are `data-` attributes good for?](#what-are-data--attributes-good-for) - [Consider HTML5 as an open web platform. What are the building blocks of HTML5?](#consider-html5-as-an-open-web-platform-what-are-the-building-blocks-of-html5) - [Describe the difference between a `cookie`, `sessionStorage` and `localStorage`.](#describe-the-difference-between-a-cookie-sessionstorage-and-localstorage) - [Describe the difference between `