Hello Everyone! What is the best way to promote and increase traffic to a website?

First, you need to optimize your website pages according to your target users needs and expectation and also will applies on the new blog posts within the site.

Following are the various ways for promoting your websites :

Focus on website SEO i.e. Search Engine Optimization, do various directory submission, use keywords on your website.
Do Social Media Marketing, create posts related to your website and add link to redirect target audience on your website.
Do Search Engine Marketing like google analytics, google my business, pay per click, google adwords, google adsense.
Focus on best content writing and creative images.

1.   Perform Technical Audit
2.   Technical Improvements
3.   Use Keyword Research
4.   Align Content to Match the Search Intent
5.   Use Internal Links
6.   Use Long-Tail Keywords
7.   Optimize for Rich Snippets
8.   Answer Questions People Also Ask