HN drives a lot of traffic. Write great content or create something open source or ask for genuine feedback.

Best day to submit:
The best time to submit to hacker news would be on a weekend morning eastern time. You have the best chance of making it to the frontpage and have a good balance of how long it sticks around and how many views to get.

If you missed the weekend window and don’t want to wait for the next one. On a weekday, the best time is before everyone gets to work, make it onto the frontpage, and stay there for the morning rush of visitors. http://buzzsumo.com/blog/most-shared-headlines-study/

http://readcodelearn.com/notes/when-to-post-to-hn.html

https://hn.algolia.com/?query=show%20hn&sort=byPopularity&prefix&page=0&dateRange=all&type=story

Other platforms to post to:

https://startuplister.com/
https://www.indiehackers.com/
https://betapage.co/