What are the most effective SEO tactics right now (whitehat, greyhat or blackhat, doesn't matter)?

Blogging

Seo means search engine optimization where you can SEO help you to rank your website.

Whitehat - if you care about your project at all. Greyhat - if you like your life spicy and willing to risk. Blackhat - you don't care, and your usual planning horizon is about what you're going to eat in a few hours.