Eric Enge reviews Panda Ranking Signals. This includes how it was built, tools used by Google for measurement, and the types of metrics that Google may be using.

1. The Google Panda Update and Beyond

5. How Ranking Used to Work 24% Trust/Authority of Domain 22% Link Popularity of Page 20% InBound Anchor Text 15% Keyword Usage 7% Traffic / Click-Through Data 6% Social Graph Metrics 5% Registration / Hosting Data Source SEOmoz Ranking Factors Survey (2009) @stonetemple

6. What it Might Look Like Now 20% Trust / Authority of Domain 18% Trust / Authority of Page 16% Inbound Anchor Text 12% Engagement Signals 11% Keyword Usage 10% Content Quality 9% Social Media 4% Registration / Hosting Source: ME 20% 18% 16% 11% 10% 12% 9% 4% @stonetemple

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8. Manual Classification of Test Sites Test Site Set Manual Analysis usa.gov mit.edu ehow.com suite101.com Good! Bad! usa.gov mit.edu ehow.com suite101.com Human raters Chrome Blocklist Ext. Blocked Search Results @stonetemple

9. Extracting Key Parameters Good Sites Bad Sites 1. Unique Content 2. Low Bounce Rates ... Good Site Characteristics Parameter Extraction Bad Site Characteristics 1. No Unique Content 2. High Bounce Rates ... @stonetemple

10. Running the Algo All Sites Web Site Classifier usa.gov mit.edu ehow.com suite101.com Good! Bad! @stonetemple

11. Scoring the Algo Algo Classified Manual Classified Good! Bad! Good! Bad! Doc 1 Doc 3 Doc 5 Doc 7 ... Doc 1 Doc 2 Doc 5 Doc 7 ... Doc 2 Doc 4 Doc 6 Doc 8 ... Doc 3 Doc 4 Doc 6 Doc 8 ... +1 -1 +1 +1 -1 +1 +1 +1 Score: 4 @stonetemple

12. Tuning the Algo All Sites Algo Score the Algorithm Parameter Adjustments Output Data Manual Data @stonetemple

13. Myths @stonetemple

14. No way to get whitelisted http://searchengineland.com/google-weve-made-no-significant-changes-to-the-farmer-update-66591 @stonetemple

15. There is no blacklist @stonetemple

16. Tools for Measuring Behavior @stonetemple

17. 66 to 67% market share in the US @stonetemple

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23. Google Reader (56%) @stonetemple

24. Walled Garden – No Problem! @stonetemple

25. Android Source: comScore via Gigaom @stonetemple

26. The New Kid on the Block! @stonetemple

27. User Behavior @stonetemple

28. Search Results Interaction @stonetemple

32. Brand Searches @stonetemple

33. Print Pages @stonetemple

34. Scroll Bar Usage @stonetemple

35. Social Metrics @stonetemple

36. Searcher Ratings @stonetemple

37. Chrome Blocklist Extension @stonetemple

38. A Direct Thumbs Down! @stonetemple

39. Site Previews @stonetemple

41. +1 Usage in Search Results @stonetemple

42. +1 for Websites Available Too @stonetemple

43. Content Analysis @stonetemple

44. Reading Level @stonetemple

45. Spelling! Zappos Spending Millions to Edit User Generated Comments @stonetemple

46. Keyword Stuffing @stonetemple

47. Synonyms @stonetemple

48. Ad Density @stonetemple

49. Sameness Do we really Need 2.54 Million Results? @stonetemple

54. Must Find Ways to Add Value Manufacturer Supplied Text? @stonetemple

55. Panda is a Fundamental Shift @stonetemple

56. 1998 - 2010 SEO Mindset? @stonetemple

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58. Sites hit by Panda want this … @stonetemple

59. But this is more likely … @stonetemple

60. Panda Recoveries To Date @stonetemple

63. Be Surgical @stonetemple

64. Be Heartless @stonetemple

65. Know the Goal @stonetemple