This implies that the particular URL shares an identical header 1 (h1) tag with at least one other indexable URL on the site.
Why is this important?
The primary heading tag, or h1, is critically important in aiding both users and search engines in quickly determining the expectant content on a given page.
When various pages feature identical h1 tags, it can confuse search engines when deciding the most relevant page for a certain query, potentially leading to situations of keyword cannibalization, where your site's own pages undercut one another's search rankings.
Moreover, if the site has significant issues with replicated content, algorithms like Google's Panda could be triggered, resulting in a general downturn in organic search visibility across the site.
What does the Optimization check?
This Optimization activates when any indexable internal URL has an h1 identical to that of another internal, indexable URL.
Note: The analysis for duplicate content excludes non-indexable URLs, such as those that are canonicalized, since the canonical tag resolves the repetition.
How do you resolve this issue?
Generally stemming from unintended errors or template issues, duplicate h1 tags, while less consequential than duplicate content or titles, still represent an optimization opportunity gone amiss, likely indicating content that needs refinement.
The resolution may range from simple manual adjustments to developer intervention for unique h1 tag implementation.
Consider a headphone retailer's product pages all bearing the generic h1 'Wireless Headphones' due to template design, when a more specific product title like 'Apple AirPods' should individuate the h1 element on each page.
<h1>Wireless Headphones</h1>...<h1>Apple AirPods</h1>
How do you get more data from Loud Interactive?
It is possible to either examine a URL in isolation or extract a comprehensive dataset of duplicates for analysis in a program like Excel.
For specific URL insights regarding duplicate h1s, one would select the URL Details feature from the URL List.
Once within the URL Details interface, navigate to Duplicate Content -> H1s to view the duplicates in question.
For a full scope of the data, the Export Optimization Data function exports this information, yielding a spreadsheet to facilitate sorting and review of all URLs with duplicate h1s.
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