What is the concept of supplemental index of google. Can any one explain it.
johny321 0 Light Poster
JuhaW 19 Light Poster
Hi,
As far as I know, having same or almost same webpage in multiple domains will lead to supplemental indexing.
From web I have read also other reasons, but they doesn't seem to be so obvious.
bobchrist 7 Posting Pro in Training
Its Google's secondary database that includes pages of less importance, the duplicate content may appear here after filtering.
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