Checks
H1/title keyword alignment
Verifies the page's h1 and title tag share at least one significant word, confirming both signals point at the same topic rather than diverging.
What this check looks for
This check tokenizes both the h1 text and the <title> text into their significant words (short/common words filtered out) and compares the sets. If either element is missing, or neither has enough significant words to compare, it reports "na". If the two sets share no significant words at all, it warns. If they share one or more, it passes, reporting how many overlap.
Why it matters
The title and h1 serve different audiences — the title is written for the search results snippet, the h1 for the person who has already landed on the page — but they should describe the same thing. When they share no vocabulary at all, it's often a sign the title was optimized for a keyword the page's actual content doesn't reflect, which risks a ranking penalty for relevance mismatch and a poor click-to-content experience. AI systems that compare a page's title against its body when deciding what it's "really" about treat a title/h1 mismatch as a weak trust signal, since it suggests the metadata may not accurately represent the content.
How to fix it
Keep the core topic word or phrase consistent between the two, varying only the framing:
<head>
<title>Wireless Noise-Cancelling Headphones | Acme Audio</title>
</head>
<body>
<h1>Wireless Noise-Cancelling Headphones</h1>
</body>If the title targets a specific search phrase, make sure the h1 restates at least its key noun — don't let the two drift onto unrelated wording.
See how your site scores on this check