W3webschool Kolkata Blog

Top 20+ Node JS Interview Questions and Answers [Updated] If you are planning to join the fastest-growing web development industry, then you must practice Node JS interview questions to successfully crack interviews.  Node.js has become one of the fastest-growing backend technologies these days. From tech start-ups to big companies, Node JS developers are actively hired for building highly scalable applications.  Become a Node JS Developer with W3 Web School’s MERN Stack Development Course in Kolkata . Create server-side web applications using REST API skills with project-based learning.  In this article, I have prepared a list of 20+ most common Node JS interview questions for freshers and explained them in a very simple manner. This guide will help you throughout your career journey and lead to the best opportunities.  Let’s practice the questions below and become ready for the future web development industry.  Why Prepare for Node JS Interviews? Node JS is co...

Top Performance Marketing Channels to Maximize ROI in 2026 Is running ads enough to grow a successful business in 2026? Why are brands these days spending heavily on digital marketing yet struggling hard to get the desired ROI and growth? Higher market competition, ad costs, and a lower attention span left no scope for guesswork marketing. Without real-time performance tracking, brands often overspend on clicks that don't even convert, low-quality leads, and failed campaigns.  Here, performance marketing channels take the lead. They focus on measurable actions such as leads, engagement, sales, clicks, and sign-ups only for real outcomes. In this blog post, I will discuss what performance marketing channels are, their importance, the best performance marketing channels, and how to choose the proper channels.  Let's get started.  What are Performance Marketing Channels? Performance marketing channels are the digital media that businesses are using to promote their products ...

Digital Marketing Funnel: Stages, Importance & How to Create One Are you failing to convert visitors into leads even after getting higher website traffic? Your business fails to generate consistent leads despite spending on social media, SEO, and ads? This might happen when you don’t have a proper system to guide users through their buyer’s journey after they land on your website.  Without a well-structured plan, visitors become confused, frustrated, and lost, and finally leave your website without taking any desired action. This wastes both of your time and marketing budget. Here, the digital marketing funnel comes in. It guides users in their journey from brand awareness to retention.  In this guide, I will discuss what a digital marketing funnel is, its different stages, its importance, types, how to create one that converts, and mistakes to avoid.  Let’s get started.  What is a Digital Marketing Funnel? Digital Marketing Funnel is a strategic approach that he...

What is Ad Copywriting? A Guide to Write Ads that Convert Why do most Ads on Facebook, YouTube and Instagram fail to get the attention within seconds? When an ad copy looks generic and unclear, it gets ignored. This lowers the CTA, overall conversions and leads to wastage of ad budget.  A well-structured ad copywriting uses user behaviour, emotional triggers, user psychology, and landing page intent to turn them into higher clicks, ROAS and conversions.  In this blog post, I will discuss what ad copywriting is, who an ad copywriter is, major skills, popular frameworks, examples, tips, mistakes to avoid and how AI is changing the way of ad copywriting.  Let’s get started.  What is Ad Copywriting? Ad copywriting is the process of writing catchy and highly engaging ad copies which are specially made to have a direct impact on targeted audiences. The main aim is to grab the attention, evoke interest, and encourage taking an action, like clicking, making a purchase decisi...

 The demand for skilled web developers is increasing every year. Companies today prefer professionals who can work on both front-end and back-end technologies. This is why Full Stack Development has become one of the most popular IT career options. If you are planning to start your tech journey, choosing a Full Stack Web Development Course in Kolkata can help you build job-ready skills and long-term career growth. What is Full Stack Web Development? Full Stack Web Development means working on the complete structure of a website or web application . A Full Stack Developer usually works with: HTML, CSS & JavaScript Front-end frameworks like React Backend technologies such as PHP or Node.js Databases like MySQL or MongoDB Hosting, APIs & version control This wide skill set makes Full Stack Developers highly valuable in the IT industry. Why Learn Full Stack Web Development in Kolkata? Kolkata is emerging as a strong IT education hub because it offers ...

What Does a Digital Marketer Do? Skills, Salary & Careers In this rapidly transforming digital world, businesses don't rely entirely on traditional marketing techniques. To get closer attention online, brands are now using Google searches to Instagram reels. This increases the demand for digital marketers.  If you are a fresher and want to explore different career options or a working professional wants to switch careers, knowing what a digital marketer does daily is essential. This is very important before joining a Digital Marketing Course in Kolkata or choosing a career in this digital field.  In this blog, I will mention different roles with responsibilities, skills, salaries, and whether they are good careers or not.  Let’s get started.  Who is a Digital Marketer? A Digital Marketer is a professional who is responsible for promoting and marketing brands, products, and services on different digital channels and platforms. Digital marketers track daily data, ...