Top Web Development Interview Questions And Answers For 2025

How is a Career in Web Development?

Websites are a business's most important requirement today; no company can survive in the long run without a website. Companies look towards hiring skilled professionals who can develop and maintain websites. These companies require you to clear the Web Development Interview Questions for Freshers. In addition, the web development career consists of creating, maintaining, and coding websites. Furthermore, the web development course consists of dealing with the three main specializations which are front-end, back-end, and full-stack development. Starting a career in web development is a great career choice you can explore by preparing for the web developer technical interview questions and answers. Along with this, web development is one of the fastest growing domains, and learning it offers you numerous career routes. To further know about it, one can visit Web Development Courses. These courses will help you with the web development questions. Here are some leading job opportunities you can explore in web development.

• Computer Programmer
• Database Administrator
• Graphic Designer
• Information Security Analyst
• Information Systems Manager
• Mobile Application Developer
• User Experience Designer
• Web Designer
• Web Developer

Top Basic Web Development Interview Questions

Web Development is a great and promising career that can offer you numerous high-paying job opportunities all over the world. In addition, a career in web development is one of the most growing careers in the IT domain. Many institutes Web Development Course in Noida and enrolling in them can help you start a career in this domain. Here are web development interview questions and answers you can go through before a job interview for web development.

What skills should a good Web Developer have?

Below are the necessary skills you should have to become a web developer.

• Proficiency in HTML and CSS.
• Python, Ruby, and PHP.
• DSL (Domain Specific Language), such as SQL
• JavaScript and JavaScript libraries
• Problem-solving capabilities

Explain the roles and responsibilities of a Web Developer?

As a web developer, you will be primarily responsible for testing and debugging web applications. Along with this, these professionals also have to work on designing, developing, and deploying web applications. Their job responsibility also consists of uploading the websites onto servers. Below are some other significant roles & responsibilities of an ethical hacker.

• They have to find the bugs and resolve the problems
• Responsible for implementing the contingency plans.
• Have to develop proper code structures for problem-solving.
• Are responsible for supporting & maintaining the websites.

Why is HTTP/2 superior to HTTP 1.1?

Below are the significant advantages of HTTP/2 over HTTP 1.1:

It comes with an advanced server-push technology and using it reduces the network footprint. It uses the network resources more effectively. Along with this, HTTP/2 helps manage the security issues related to HTTP 1.1. It provides robust and efficient data processing between server and client.

How can you speed up the Page Loading?

The following steps will help you speed up the page loading.

• Decrease the image size and clear unwanted widgets
• HTTP compression
• Reduce redirects
• Minimize lookups
• Caching

How is XHTML different from HTML?

XHTML is different from HTML as all tags in it must be in lowercase. Along with this, XHTML requires the use of double quotes for all attributes. Along with this, XHTML requires tags to be closed properly and it does not permit an inline element to contain a block-level element

Explain HTML5 Web storage?

This is a common web development interview question and its answer is “This allows web applications to store data locally in the user's browser. Along with this, it is more secure and it allows for the local storing of large amounts of data. “

Explain DOM (Document Object Model).

The DOM is a solution that facilitates programmatic reading, manipulation, and modification of an XML document.

What is pair programming?

It refers to a sequence according to which two programmers collaborate on the same computer. One of these programmers is for writing code, and the other is observer for reviewing each line.

What is the difference between SVG and Canvas.

SVG refers to an XML-based language that is useful for describing 2D graphics. On the other hand, Canvas is useful for generating 2D graphics in real-time with JavaScript.

Explain the Type Coercion in JavaScript?

Type coercion refers to the automatic or implicit conversion of values between different data. This occurs when the developers state their goal to convert between types.

What is CORS and how does it work?

CORS is an HTM5-supported mechanism and it helps in cross-origin resource sharing. It works by enabling the requesting of resources on web pages from other domains.

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Explain the difference between null value and undefined value in JavaScript?

Unified in JavaScript means that the variable has been declared but hasn't been assigned a value. On the other hand, null refers to an assignment value.

What are the web technologies most important for web development?

The three most important web technologies for web development are HTML5, CSS3, and JavaScript. A

Explain the types of pop-up boxes in JavaScript.

There are three types of pop-up boxes in JavaScript which are as follows:

• Alert is useful for displaying a message with an OK button.
• Confirm is for popping up a confirmation message window with the OK and Cancel button.
• Prompt is for popping up a dialog box asking the user input followed confirmation buttons.

What do you mean by Scope in JavaScript?

Scope in JavaScript refers to the accessibility of the functions and variables in an application. It consists of two types which are as follows:

• Local- These are the variables defined inside a function.
• Global-These are the variables defined outside of a function.

Name the best web development tools.

There are numerous web development tools available and given below are the most popular of them.

• GitHub
• CodeKit
• JS
• CodePen
• Grunt

What is an ETag?

ETag or Entry tag refers to an HTTP header useful for web cache validation and conditional requests from browsers for resources.

What is npm?

NPM refers to Node Package Manager and it is a package manager for JavaScript. Its primary use is to publish, discover, install, and develop the node programs.

Explain the use of Child selectors in CSS?

Child selectors are useful for matching the child elements of a specified element. CSS looks for a child component of an element and it gives the relation between two elements.

Conclusion

The web development career consists of creating, maintaining, and coding websites. Starting a career in web development is a great career choice that can offer you a great salary. It is necessary to go through the web developer interview questions before applying for a job interview. Web Development is a great and promising career that can offer you numerous high-paying job opportunities all over the world. In conclusion, above given are some popular interviews question you should prepare before the interview.