I was checking out the page structure in order to determine a competitors SEO tatics. I noticed that they use only one H1 tag - I expected this and do so myself. To my surprise, they use no H2 tags (or any subsequent H tags). They rank pretty well for their keywords.
I was wondering if this was a legit strategy - something akin to no follow attributes in anchor tags - in order to build relevancy primarily for the H1 tag. Has anyone seen anything on this or run any tests recently?