A pie chart with a gradient of colors from light to dark, representing different ranking factors. The chart is divided into sections labeled with various ranking factors such as 'Place Page Signals', 'Review Signals', 'Social Signals', 'Google Authority', 'Facebook Likes', 'Twitter Followers', 'On-page Signals', 'Keyword Signals', 'Domain Authority', 'Page Authority', 'MozRank', 'PageRank', 'TrustRank', 'Domain Trust', 'Page Trust', 'Linking Domains', 'Linking Root Domains', 'Linking Pages', 'Linking Domains', 'Linking Root Domains', 'Linking