Variations in Em Tags

Variations in Em Tags counts how many keyword variations appear inside semantically emphasized em elements on a page, returning a whole-word occurrence count. Emphasis alone confers no ranking value — the count observes where genuine emphasis and relevant vocabulary happen to coincide, not a number to inflate.

Factor IDRG-KWD-051
FamilyKeyword Usage & Density
MeasurementVariation occurrence count
Measured zoneCleaned em contents

What it measures

This factor counts keyword variations that appear inside semantically emphasized em elements. It considers only text a page has marked for emphasis with a genuine em tag, then tallies how many times a variation of the target term shows up within that emphasized text.

How RankGear measures it

RankGear extracts the bounded contents of each em element, cleans the HTML from that text, and sums case-insensitive whole-word variation matches without counting overlaps. Because matching is whole-word and case-insensitive, differently cased forms of a term are treated the same, and a single stretch of emphasized text is never double-counted for the same match.

What RankGear looks for

<em>affordable running shoes</em>

How to optimize it

Treat this as an observation, not a target. Use em where vocal or semantic emphasis genuinely improves meaning, and include relevant terms only when they deserve that emphasis. Do not wrap keywords in em to lift the count — a variation gains nothing merely by being emphasized.

Important considerations

  • CSS italics without an em tag do not count — only true semantic emphasis is measured.
  • HTML is cleaned from the emphasized text before matching.
  • Excessive emphasis harms readability and works against the reader.
  • A variation does not gain value merely by being emphasized.
  • This is a correlation-based prioritization signal within a measured result set, not a cause of ranking; a higher count does not make a page rank.

Related factors

Part of the Factors reference · how RankGear measures · glossary.