This is part 4 of 09 part series on building web server with go. Checkout https://www.gophersumit.com/series/web-server/ for more. forms HTML forms are used to collect data from user. In this part, we will build simple html form that can be used to submit data and save on server. For user to be able to submit data, we will have to user html <form> tag with post action. Form tag defines other inputs which are used to collect data fields like text, dates, choices etc.