Should you want to use Bootstrap framework, you will also include jQuery library, for example:
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1P...
A couple of years ago it was rather fashionable to create a web server in a microcontroller, most often in a Microchip PIC 16F84 microcontroller. The latter has been chosen because of easy programmability, I surmise. But each implementation had at leas...