There are many ways to increase your Reddit readers
1.  Ads on Google
2. promote your subreddit on reddit.com
3. create a Facebook group about reddit then all people will join this group who want to increase their readers of their subreddit and they will be reader one another by this way you can increase your readers of your subreddit
4. Choose the best name which is popular category of your website I want to more clear about this – suppose you have created a subreddit named “SEO” then the people who want to submit a link or post on Reddit about SEO, then they will automatically be a readers of your subreddit

it is the perfect way to increase your readers of your subreddit

Special offer: here is my 2 subreddit ID
1. https://www.reddit.com/r/answersmode/
2. https://www.reddit.com/r/itinfoworldmu/

if you post a  text or link or image or video in my subreddit. Then of course I will approved your post.
So you can be a  reader of my Sub-Reddit account & approve your post.
Thank you