Tony Verre (@TonyVerre) posted a blog post about Unnatural Links
[searchnewscentral.com] triggering a WMT warning and penalization by Google over the past months. According to Search Engine Round Table
[seroundtable.com] this is a stepping up of warnings about unnatural links promised by Matt Cutts.
Tony asks what does Google define as unnatural the suggests a few scenarios that might resemble unnatural linking, including
- Acquisition rate of links
- Root domains - clusters of links from related sites
- Anchor text concentration
What are your thoughts about those signals Tony highlighted? Any additional signals you think are triggering the WMT love letters?