This is as old as the internet. When I first started making sites, I would often reach out to similar sites/services and see if we could get each others links on each others sites. It has helped a lot in the past, as it also becomes a friendship down the road sometimes.
Do you still do this? If not, I highly recommend trying it, as you never know what site may say yes to including your site for you including theirs on yours.
Do you still do this? If not, I highly recommend trying it, as you never know what site may say yes to including your site for you including theirs on yours.