Personally, from experience, getting to know other creators and possible readers through interactions in different medias, really help. Though, constantly putting up your work without at least showing summary, cover, and genres, hardly helps in what I've seen.
Instead of being one of thousand icons on the site.
Be strategic with your marketing; making an good impression on the community and the site itself can make you come a long way. Also crossposting on multiple sites can help your work reach more readers. Though. each site promotes itself differently from the other.
Spamming is hardly the answer.