Do you know that web vital performance optimization relates strongly to the increase of user experience, user engagement and SEO? However, lots and lots of sites do not realize this, which resulted in the loss of customers. …

Do you know that by just improving your site SEO, you can get more site exposure for free that is bigger than you think, without paying any ads and without endorsing an influencer? Want to know how? We will discuss here all you need to know about SEO! What is SEO? Search Engine…

Top 10 tricky Javascript questions often asked by interviewers. Make sure you know all of them! If you apply for a Frontend or web developer role, you might be assessed for your javascript skills. There is a lot of JS concept that is quite tricky such as hoisting, closure, data…

16 most important React questions that you need to know 1) How does React work? React works by using a concept called virtual DOM. Instead of updating/rendering directly to the real DOM, it constructs a virtual DOM that is an exact representation of the real DOM. If there are any state changes, props changes, or…

Do you think class and functional component behaves the same way? think again When hooks are introduced in 2018, many people think they should migrate from class components to functional components straight away. However, it’s not recommended to convert your previous class component codebase fully to a functional component with…

In 2022 and 2023, almost all the major tech companies announced some cost-cutting measures, including layoffs. Why it’s happening? Wasn’t tech companies make a lot of money during the covid period? let’s discuss this from my point of view and personal opinion. Let’s go back to 3 years ago when…

Web vitals are important metrics to measure your site performance. Do you know with fast web performance, the user experience, user engagement, and SEO will improve? In this article, we will discuss what web vitals are, why they are important, and how to measure them What are Web Vitals? Web vitals are a set…

So many things to be learnt to tackle frontend engineer role interviews. Should we prepare data structure & algorithm questions? System design questions? Javascript or react questions? What, where, and how to learn? When I apply for a frontend engineer position for the first time? I thought my knowledge of…

Do you know that 90% of React application only requires server state management library such as React Query instead of client state library such as Redux? With React Query, you don’t need to worry about performance optimization, scalable architecture, error handling, etc. Knowing those, Learning React query is a must …