Arunangshu Das

Trust me, I'm a software developer—debugging by day, chilling by night.

CDN

How does a Content Delivery Network (CDN) improve performance?

A Content Delivery Network (CDN) is a powerful tool for improving website performance, reliability, and user experience. In the digital age, where speed and seamless user interactions are critical, understanding how CDNs work and how they benefit web performance can

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website

How do you optimize a website’s performance?

Optimizing website performance is crucial for user experience, SEO, and overall site success. A well-performing website loads quickly, reduces bounce rates, and leads to higher engagement and conversions. Here’s a guide to improving your site’s performance from different angles, covering

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Service Worker

What are service workers and how do they contribute to Progressive Web Apps?

The digital landscape has evolved rapidly over the years, and with it, web development practices and technologies have advanced to meet user expectations. Users today seek fast, responsive, and reliable web experiences, regardless of the network conditions or device constraints.

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Caching

What is caching, and how does it improve application performance?

In today’s fast-paced digital world, where users expect quick load times and seamless app experiences, caching plays a crucial role in improving application performance. It’s one of the key strategies that developers use to deliver faster, more responsive applications, all

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Microservices

What are microservices, and how do they differ from monolithic architectures?

Microservices have taken the software development world by storm over the past decade, especially with the rise of cloud computing and complex, high-demand applications. In contrast to monolithic architectures, which were once the standard, microservices offer a new approach to

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JavaScript

Can You Answer This Senior-Level JavaScript Promise Interview Question?

JavaScript developers know that understanding the inner workings of Promises is essential, especially when it comes to handling asynchronous code effectively. Mastering Promises can make the difference between writing efficient, non-blocking code and code that’s riddled with bugs and difficult

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