Author Michał Moroz

Michał Moroz
Frontend Web Developer - programming, running presentations on Web Development.

Core Web Vitals: How to Measure and Improve Them?

Meet Web Vitals – a new standard that Google introduced to rate website’s UX and performance. Learn how to measure and improve them.

Let and Var: Differences

Introduction With the introduction of a new standard of JavaScript code writing – ECMAScript 6 (ES6) – new structures responsible for variable declaration appeared. I am talking about the let and const instructions. Even before the introduction of ES6, we had to choose only the var instruction. Beginners often find it difficult to understand the […]