How much a (.com) domain can increase the traffic adult site

I need know, can take .com domain only increase my traffic? how much?
my actually domain is .ga, not have SSL Certification and even though i have a little good traffic on my adult site

I know the power that .com domain have but if you have comparation before and after buy the domain, can you tell me? I'm thinking if i buy the domain and still with free host or buy the host and domain include, and calculate to make a profit and know how long it can take

my site: www.packgirlsfree.ga
traffic: +/- = 300 - 400 /day