This presentation contains an overview of the various Google algorithms, why it attacks the websites and how to recovery.

1. Google
Algorithms

2. Panda Algorithm
 Launch date: February 24, 2011
 Websites With Low Quality Content.
 Websites With Duplicate Content.
 keyword Stuffing.
 Affiliate Links and Ads.
 So Many Outbound Links with Keywords are bad.
 RECOVERY
 Scrutinize the content.
 Avoid duplicate content.
 Avoid keyword stuffing.
 Have a check at Anchor text keywords.

3. Google Penguin
 Launch date April 24,2012
 Spammy or irrelevant links
 Over-optimized anchor text.
 Strong Domains Matter
 RECOVERY
 Monitor your Backlinks profile With Seo Premium Tools.
 If it is more Thank 50% Than Remove all the Backlinks or Disavow All the
 Don’t Over-Optimize Website

4. Hummingbird
 Launch date August 22, 2013
 Keyword stuffing
 low-quality content.
 Effectiveness of Long-tail keywords
 RECOVERY
 Choose the keyword most suitable and it should be valuable.
 Focus on keywords

5. Pigeon
 Launch date24, 2014 in Us and December 22,2014 in UK , Canada , Australia
 Poor on Page Seo
 Poor Off page Seo
 RECOVERY
 Work on ON PAGE & OFF PAGE by following all the rules made thereunder

6. Google Mobile Friendly or Mobile Geddon
 Launch date April 21,2015
 Mobile-friendly testing tool
 Pick desktop over AMP page for the mobile-first index
 Mobile-first indexing, using mobile content for all search rankings
 Google will show AMP URLs before App deep link URLs in mobile results
 Google says page speed ranking factor to use mobile page speed for mobile
sites

7. Rank Brain Updates
 Launch date: October 26, 2015
 Lack of query-specific relevance features
 shallow content
 poor UX
 Rank Brain Algorithm is Also part of Google Hummingbird.
 Find the Best Search Results Based on Those Queries.
 RECOVERY
 Improve the content in significance.

8. Fred Algorithm Update
 Launched date March 8, 2017.
 Money making blogs
 Thin Content website or blog
 Affiliate-heavy
 Ad-centered content
 RECOVERY
 Post valuable & suitable content.
 Go for few ads.
 Go with quality backlinks.

9. Pirate/DMCA AlgorithmUpdate
 Launch date August 2012
 Websites providing Pirates or cracking software.
 Torrents websites .
 Movies sites.

10. Possum
 Launch date: September 1, 2016
 Competition in target location.
 RECOVERY
 Add location to your keyword.
 Do location specific rank tracking.

11. Ad-word shake up
 Launch date February 23, 2016
 Keeps check on Paid ads
 Ads to be shown only if related to buy a product.

12. Google EMD (Exact Match Domain)
 Launch date September 2012,
 Low quality content
 Purchase of domain with their Exact match keyword
 Use of keyword in Domain.

13. Thank you