Hidden single pixel links may be penalized Search Engine Guideline

Description

Search engines may penalize hidden single pixel links.

Applicable standards

• Google
• Bing
• Yahoo

Change history

• 5.36 Jan 2020 Check for X-Robots-Tag, rel=ugc and rel=sponsored.
• 5.3 Sep 2013 Fixed false positive.
• 2.0 Dec 2007 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: SeoSpamSinglePixelLink