<h1> tag is empty
This means that the URL in question has a header 1 tag which has no value.
Why is this important?
The header 1 (h1) tag is considered important to help both users and search engines to quickly understand what content they can expect to find on the page.
If the h1 is empty, this represents a missed optimization opportunity.
What does the Hint check?
This Hint will trigger for any internal URL that has an <h1> but with no value.
Examples that trigger this Hint
This Hint will trigger for any URL that has an empty <h1> in the HTML:
Why is this Hint marked 'Opportunity'?
In Sitebulb, this Hint is an Opportunity, as it represents a situation where you could optimize the site to potentially gain more search traffic.
There is some debate over the importance of the <h1> as an on-page ranking signal for SEO - however in most situations it is still considered a worthwhile optimisation tactic.