H1 headings carry a little on-page SEO weight, so it's a good idea to check your pages to make sure you are using them properly. For each page on your website, look over the source code to see if you spot this tag:
You don't want more than one set of H1 tags appearing on any given webpage. We recently published an article that says you shouldn't try to over optimize your H1 headings. And what that boils down to is don't try to purposely boost your SEO by putting your keyword in the H1 heading. Just use it for what it's meant for -- the biggest heading on the page. On your home page, this might be your value proposition.