Here are some must have to get into google search results.

1. Search engines love sitemaps – not necessarily for ranking, but for finding links on your site. It’s not critical that you create an XML sitemap or Google sitemap, plain HTML sitemaps work just as well.

2. Add new content all the time
Sites that have new content added on a regular basis are seen as more reliable than sites that rarely do. This also helps you to increase the amount of relevant content on your site, which also improves your rankings.

There are plenty more tricks to improve organic search. Take a look at source to see over 90 tricks for SEO https://okdork.com/how-we-grew-okdork-200-with-these-exact-seo-tips/

Take a look at the post on Buffer’s Blog:

https://blog.bufferapp.com/free-seo-tools