CP457: OnPageOptionTagExactMatches

Number of exact matches in web page option tags

Correlates the number of exact matches in the web page option tags as a factor.

This factor correlates the number of exact matches in option tags (in the HTML source) with rankings.

The matches counted include any of the relevant hits highlighted by Google in the search results that exactly match the whole content of the zone.

You can learn more about the targeted zone for this factor at: https://www.w3schools.com/tags/tag_option.asp.