To remain competitive your organisation must be efficient across the business process spectrum. To do so you need to take sound decisions based on a balance between the cost and risk. To do so you will be heavily dependent on your content management in itself needs...
Web resources are simply web files those are stored in CRM database. Web Resources provides ability to add code in CRM forms/fields to implement or extend features and functionalities in CRM. Web resources are able to handle client side interaction.
We use DevTools (Developer Tools) to debug and inspect PCF Control using breakpoint debugging and with the live console.