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PropertyData for May 2026
mainContentOfPage
Estimated domains
1M - 10M
Description
Indicates if this web page element is the main subject of the page.
Definition from the Schema.org vocabulary (English).
Trend over time
At least two months are needed to show a trend. The series will grow with every monthly update.
Used on types
Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.