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What Google Knows About Spam

Learn how to reduce spam by building trust and reputation, frustrating spammers, and implementing prevention measures. Discover the importance of feedback, ratings, and real-world signals, and how search engine optimization can be used as a legitimate tool. Takeaways include methods to prevent spam and protect against malware.

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What Google Knows About Spam

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  1. What Google KnowsAbout Spam Matt Cutts

  2. What is ?

  3. What we know #1:What is the root cause of spam?

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  6. Trust and reputationhelp to reduce spam

  7. Feedback, Ratings, Real-world Signals

  8. Google has PageRank

  9. Trust is harder to spam • Build reputation or trust into your system • Make spammers lose time or effort. Frustrate them • Distilling trust out of noisy data is a great business model

  10. Search engine optimization isn't spam You can find whitehat SEOs to help you • Ask for references and check them • Make sure they'll tell you exactly what they're doing • Make sure the SEO abides by search engine guidelines • Big sites: Tweaking internal linkage, keywords on page • Smaller sites: Creative ideas for linkbuilding and marketing

  11. If it sounds too good to be true.. Subject: "Amazing Search Engine Secrets"!!!Sent: Tuesday, March 14, 2000From: Google Info [mailto:google@yahoo.com]Drive Your Web Counter Ballistic!! “New” Information… Discovered By A Computer Illiterate Man in Massachusetts Can Practically Hand You the Top Search Engine Positions…And Add 2,350 Hits a Day to Your Web Site Overnight!”

  12. Critical thinking skills

  13. Spammers are human & make mistakes Spammers leave footprints by accident

  14. Simple steps preventmost spam

  15. Get off the beaten path Simple tests that almost any human can do • Type the word 'orange' below • What is 3 + 5? • Require a valid email to approve a comment • Reverse CAPTCHA: "Leave this field blank"

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  17. Spam will soon be more dangerous Installing malware from a webpage • Keep your software fully patched • Use a hosted service instead of running software yourself • Look for cross-site scripting (XSS) holes

  18. Takeaways • Build reputation and trust into your service. • Get off the beaten path. Be less of a target. • Make spammers spend money, time,or effort. Frustrate them!

  19. Register your site at google.com/webmasters/and we'll alert you to hacks

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