How to advertise photography online?

I'm not trying to sell anything or to advertise a business, i recently started photography/photoshop and like to post my stuff on instagram but i don't have much of an audience to comment or like on my stuff, i would love feedback.
where can i start showing people my album?
if you're curious, my instagram is @MathieuFoote:)

Read more: How to advertise photography online?