Web Developer Interview Questions - Introduction - General Questions - HTML & HTML5 Questions - CSS Questions - Javascript Questions - jQuery Questions - PHP Questions - Conclusion

Sep 25, 2026

A structured set of web developer interview questions covering key knowledge across the full stack of front-end and back-end basics. The material introduces the purpose of interview preparation, then organizes questions by topic: general web concepts, HTML & HTML5 fundamentals, CSS styling, JavaScript behavior, jQuery usage, and PHP programming. It also explains relevant standards and practices such as persistent storage, W3C, CORS, DTD, graceful degradation, and HTTP/2 advantages, followed by concluding guidance for further review.

LanguageEnglish

CategoryExam

FormatPDF

Pages24

Reading Time1 h 0 min

AccessFree to download

Contents

Introduction

General Questions

HTML & HTML5 Questions

CSS Questions

Javascript Questions

jQuery Questions

PHP Questions

Conclusion

Web Developer Interview Questions Contents 1 Introduction 1 2 General Questions 2 3 HTML & HTML5 Questions 4 4 CSS Questions 6 5 Javascript Questions 11 6 jQuery Questions 13 7 PHP Questions 15 8 Conclusion 18 Copyright (c) Exelixis Media P .C . , 2016 All rights reserved . Without limiting the rights under copyright reserved above , no part of this publication may be reproduced , stored or introduced into a retrieval system , or transmitted , in any form or by any means (electronic , mechanical , photocopying , recording or otherwise), without the prior written permission of the copyright owner . Preface Web development is a broad term for the work involved in developing a web site for the Internet (World Wide Web) or an intranet (a private network) . Web development can range from developing the simplest static single page of plain text to the most complex web-based internet applications, electronic businesses, and social network services. A more comprehensive list of tasks to which web development commonly refers, may include web engineering, web design, web content development, client liaison, client-side/server-side scripting, web server and network security conﬁguration, and ecommerce development. Among web professionals, "web development" usually refers to the main non-design aspects of building web sites: writing markup and coding. Most recently Web development has come to mean the creation of content management systems or CMS. (Source: [https://en.wikipedia.org/wiki/Web_development](https://en.wikipedia.org/wiki/Web_development)) The aim of this article is to provide a wide range of questions that a web developer can be asked during a job interview. Preparing for a job interview can be a daunting process if the scope of what is to be asked is so large. Web development includes a considerable set of skills and langauges, and an interview of this scale is sure to be all inclusive regarding the various web technologies. About the Author Fabio is a passionate student in web tehnologies including front-end (HTML/CSS) and web design. He likes exploring as much as possible about the world wide web and how it can be more productive for us all. Currently he studies Computer Engineering, at the same time he works as a freelancer on both web programming and graphic design. Chapter 1 Introduction Web developers are responsible for managing the way content appears to the users on a particular website. The ﬁeld includes working with programming languages to create web applications that combine databases and other tools to create company's web managment systems. However, apart from the complex part, it can also be about creating static pages and designing stuff. As big data is more and more part of systems, its manipulation and maintenance may as well come with errors, which then will have to be debugged by members of the web development team in companies. In a general viewpoint, web developers are the ones who work behind the scenes to provide not just sites, but services people use everyday. While there are a lot to be asked in such interviews, let us have a look at what most of these questions might be. Chapter 2 General Questions 1. How would you use persistent storage on browsers? What options would you use? For HTML browsers, a good choice would be local storage and persistent storage. For non-HTML ones, cookies are the best bet. 2. What is W3C? W3C stands for World Wide Web Consortium which is the international standard for World Wide Web. W3C is constantly busy trying to standardize the web and to make it accessible to all users. The company was created in 1994 . 3. What are two common ways in which you can reduce the load time of a web application? There are quite a lot of ways you can reduce load time: • Enable browser caching • Optimize images • Minify resources • Minimize [HTTP Requests](HTTP Requests) • Reduce redirects 4. What is graceful degrada

FAQs

What is the document’s main purpose?

It provides a wide range of questions a web developer may be asked during a job interview, organized by topic for preparation.

Which topics are covered in the interview question sections?

The questions are grouped into General Questions, HTML & HTML5 Questions, CSS Questions, Javascript Questions, jQuery Questions, and PHP Questions, ending with Conclusion.

What are examples of general web technology questions included?

Examples include using persistent storage in browsers, the meaning of W3C, reducing web application load time, graceful degradation, DTD, differences between web development and web design, and CORS.

Sep 25, 2026

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