If you run a blog or webiste, store... you shoud think about Google plus also!
to promote your new website you can easly by
1 st - create a community for your business
2 - join other communities, who has similar interest as you... become a member, specilly if has many followers... just join
then when you post any post make hashtag in the description and add you link to the article
as in Instagram
While you run your community, you should post as many as you can your new post from your blog or website
Better if you post the same descriprion and Link to many communities that you joined...
Such way many people can see your post and many if they will fine useful content for them , will read and make + for your post, which will increase also in Google serach results
By my experience- I made few communities-and I didn't promore them at all... just made a name - relevant to my business or Interestes... community members just grows, who find them.
From time to time I post my links and hashtags to my comminities and communities that I've joined...
Happy posting and getting new visitors and clients :)