Programming blog post promotion checklist

Do you struggle to attract traffic to your technical blog? Maybe people just don't know about the stuff you publish.

Below you can find a list of places you can submit and promote your programming and technical blog posts. Some of them are curated, other accept all the submissions. I submit to some myself, others popped up in Google Analytics as a decent source of traffic.

I am just getting started assembling it so tips on how it could be improved are welcome.

General

https://twitter.com

https://linkedin.com

https://tumblr.com

Technical and Programming

https://news.ycombinator.com

https://reddit.com/r/programming

https://indiehackers.com

Web Development

https://reddit.com/r/webdev

https://reddit.com/r/seo

https://www.webdesignernews.com

Ruby & Rails

https://reddit.com/r/ruby

http://stream.rubydaily.org

http://www.rubyflow.com