I'm getting the error: failed to compile -/src/reportWebVitals.js Module not found: Can't resolve 'web-vitals'. Since new to react JS, could not find what happened. Here is the reportWebVitals.JS ...

I am not using responsive ads due to the willing of getting a better Web Vitals score. However, with the Let Google optimize the size of your mobile ads checked, it seems Google will still change/u...

One of the recommendations I get when I audit my website using https://web.dev/measure, is "Serves images in low resolution". As you can see from the screenshot below, my displayed image ...

I have just recognised that my newly created Reactjs application have a file src/reportWebVitals.js, which is being called in index.js. What is this file/pice of code for? const reportWebVitals = o...

Let say I have a typescript class with 10 methods and that the file export a new instance of the class as its default export. Then I have another file, like a React functional component, that impor...

My company has asked me to add some site speed metrics to our site to help identify less than optimal user experiences. Using a custom HTML Google Tag Manager (GTM) tag, I added PerformanceObserver...