Every website needs a server to host it. If you have a website then you have a server hosting you. If you imagine your website as a house then your domain is your address (www.thisishowyoufindme.com) and hosting is paying land tax from a server, the owner of the land.
The new FOSTA/SESTA laws make technology companies liable for the content its users post. If you advertise sex work, this can be interpreted as sex trafficking in the US, and a lot of companies areshut down sex workers online as a result. We’ve seen this with companies like Escort Design closing sex workers websites.
If you also work, or tour, in an area where sex work is criminalised, hosting websites can shut you down.