Yes! Content is king. When you have amazing content, your visitors will be eager to purchase if your landing page is designed for selling products or services. The way you present your products or your landing page is how people will be triggered to take certain actions on the page. If your landing page content is shallow and not persuasive, you may end up having thousands of visitors when you promote your landing page but only a few people that know what your product is all about can be able to patronize you by taking necessary actions on your landing page.