In order to collect contacts, the landing page must contain a subscription form . These are the fields that people must fill in to sign up for the newsletter.
Which fields to include in the form? This depends on the botim data objective: if you simply want to send weekly updates via email, ask only for the essential data (email and name).
Tip: the less we ask for, the more the user will be encouraged to leave us their contact details. We can request the other information in a second step, but in the meantime we have collected the email 
Creating a registration form with Smshosting and inserting it into a landing page is very simple, here is a video tutorial that explains how to do it:Do you want to create a contact form to insert into your website or to share on social channels? In this tutorial we explain how to do it.
Once you have created the contact collection form with Smshosting, you can also decide to insert it into your website, simply by incorporating the code into a text block. In this way you connect Smshosting to the site, for example here.