You can go to Alexa rank and check steemit.com rank but it doesn't give you any more details on steemit website growth.
Here are some pictures showing how fast steemit website is growing.
What does this picture tell?
It shows us the amount of traffic comming from google search engine and for August 2017 it has been 69,398 having over 402k keywords with an estimated traffic cost of $42.1K
Now here is the main part. The total traffic on steemit.com which includes direct traffic, referral traffic, social media traffic and search traffic.
In April 2017 total traffic was 838.3K views which went upto 1.9M traffic in May 2017 and upto 4.3M traffic for June which is an increase of +127.53% from May to June.
Lets see which country take the prize for the most traffic.
Time for backlinks and referrals. What are they?
It is when website link to steemit.com and this helps generate traffic and also increases the website rank and authority helping steemit.com get more traffic and achieve better rank.
Here we see how in July and August steemit.com got a huge number of backlinks which you saw above increased the traffic of steemit in a big amount.
In July 383,320 new backlinks while 63,331 backlinks lost while in August 728,156 new backlinks with no loss.
Who contributed most of the backlinks? It is not suprising that steemd.com has the most backlinks since it is a steemit node and shows the latest data in steemit blockchain. But the second most website having the most backlinks is 
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