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An Introduction to Search Engine Algorithms

An Introduction to Search Engine Algorithms. The Search Engines Started By Looking Primarily at Keywords. So... We Spammed Keywords.

burke-osborne
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An Introduction to Search Engine Algorithms

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  1. An Introduction toSearch Engine Algorithms

  2. The Search Engines StartedBy Looking Primarily at Keywords

  3. So... We Spammed Keywords Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras, Digital cameras

  4. Then They Used Specific Metricsfor Keyword Usage

  5. And We Spammed Those

  6. In 1998, Google & PageRankArrived on the Scene

  7. PageRank is a Rough Measure of theAuthority and Weight a Web Page Carries Based on All of the Links Pointing to It

  8. The Algorithm Uses Markov Chaining to Help Calculate Scoring & Rankings and is UniqueBecause it's the First to Measure Links

  9. And... Of Course...We Spam the Hell Out Of It

  10. We Buy Links fromHigh PageRank Domains

  11. We Build Link Networks of Useless, Junk Pages to Create Fake PageRank Systemsto Point at the Domains We Control

  12. We Trade Links, Use 3-Way Link Networks &Send Spam Email Telling Webmasters toBoost their PageRank (By Linking to Us)‏

  13. We Cloak by User-Agent, IP Address & Cookie Acceptance to Hide Our Junky Spam

  14. So Google Innovates...

  15. They Add Algo Pieces Like Anchor Text I am linking to the best SEO Site - SEOmoz Anchor Text

  16. And Beef Up Their Spam Fighting Teams to Shut Down Link Networks

  17. But Those Crafty SEOs...They Keep On Spamming

  18. We Build Robots that Scan the Web for Unprotected Pages to Place Links

  19. We use Crafty CSS Techniques to Hide Our Links & Text‏

  20. So... The Search Engines Get Smarter

  21. They Assemble Teams of Human Quality Raters to Help ID Spam

  22. They Launch Algorithms Specifically Targeted Towards Individual Verticals

  23. And At Long Last, SEOs Begin to Relent

  24. What's InsideModern Search Algorithms?

  25. Relevance Detection Systems

  26. Keyword Usage • Title Tags • Headlines (H1, H2, H(x))‏ • Text on the Page • Link Anchor Text • URLs • Alt & Meta Tags

  27. Term Vector Models

  28. Intent Matching • Navigational Queries • Research Queries • Commercial Queries • Vertical Queries(news, images, travel, blogs, etc.)‏

  29. Trust & Popularity Detection Systems

  30. Link Popularity • Popularity & Trust in the Domain • External Link Popularity of a Page • Internal Link Popularity of a Page • Quality & Trust of Inbound Links

  31. Temporal & User Data • Search Query Data • Timelines • Toolbar Data • Clickstream Data • Google Analytics Data • Feedburner Data • Free Wifi Access Data

  32. Spam Detection Systems • Link Spam Detection • Content Re-Purposing Detection • Content Quality Detection • Human Quality Control

  33. And Now, SomeLessons From Search Algos

  34. It Is Better to Be Big & Popular Than Small & Niche

  35. Those With the Best (or Most Relevant)‏ Content Don't Always Win

  36. Those With the Most “Accessible”(or “Search-Targeted” Content)Don't Always Win

  37. Those with the Most Link-Worthy, Viral-WorthyContent (that is also “Search Friendly”)Are Most Likely to “Win”

  38. Q+ATell Me More (about Algos)‏

  39. Tech Team Bonus!!!More Algo Goodness :)‏

  40. When 37 Top SEOs were asked: “What factors matter most at Google?” What did they say?...

  41. #10 – Most Important Factor

  42. #9 – Most Important Factor

  43. #8 – Most Important Factor

  44. #7 – Most Important Factor

  45. #6 – Most Important Factor

  46. #5 – Most Important Factor

  47. #4 – Most Important Factor

  48. #3 – Most Important Factor

  49. #2 – Most Important Factor

  50. #1 – Most Important Factor

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