How can I increase organic traffic to my website without resorting to paid advertising?

Driving more organic traffic without relying on paid advertising is definitely achievable, but it takes a committed SEO and content marketing strategy. Here are some tips:

First and foremost, focus on optimizing your site for search engines through targeted keyword research and on-page SEO best practices. Use those keywords throughout your content, titles, meta descriptions, image alts, etc. Good technical SEO like site structure, speed, and mobile-friendliness is crucial too.

Speaking of content, that's going to be your biggest organic traffic driver. Publish high-quality, in-depth content like blog posts, guides, and videos that provide real value for your target audience. The more engaging and shareworthy, the better. Solid on-site content optimizes for keywords while giving users a great experience.

You'll want to actively build backlinks from other authoritative sites through tactics like guest blogging, getting featured, creating linkable assets, etc. A diverse backlink profile signals authority.

Don't forget about social media for amplifying your content and increasing visibility. Be active on relevant platforms, engage your audience, and collaborate with influencers. It's great for exposing your brand to new users organically.

Optimizing for on-site factors like internal linking, URL structure, schema markup and such can give your SEO efforts an extra edge.

Building an email list allows you to nurture subscribers with your content over time to drive repeat traffic. Participating in niche communities, forums, and Q&A sites is another way to get eyeballs on your expertise and business.

If you have a local business, be sure to optimize all your listings/citations and encourage customer reviews on Google and crowd-sourced review sites.

The key is consistently creating awesome content while hitting all the right technical and strategic SEO points. It's a long game, but an investment that continues paying dividends over time as your site's authority grows.