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Seo googles algorithm updates oct 7-2014
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Transcript of Seo googles algorithm updates oct 7-2014
Google’s Algorithm Updates
Objectives
Clearly identify all of the major Google Algorithm Updates
Identify which Algorithm update a website may have been affected by
Identify how the algorithms affected the World Wide Web as a whole
At the end of this training, the participants should be able to:
What is an Algorithm
What is an ALGORITHMand what does it do?
Long or short topic title goes here
AlgorithmA set of instructions carried out by a program to accomplish a task.
Algorithm for the Common Man
1. Wait for Bus A route 1
2. Get on the bus
3. Find vacant seat
4. Sit
5. Pay fare
6. Remain seated until reaching Unloading Bay A1-ABC
6. Get off at Unloading Bay A1-ABC
7. Walk from the Unloading Bay to the gate
8. Turn left
9. Look for house #6
For example, someone calls you to ask for directionsfrom their bus stop.
An Algorithm can be compared to a set of instructions you give to someone to carry out a solution to a problem.
The Algorithm in this case would be like:
– Destination reached –
Algorithm for the Common Man
A more complex Algorithm is being used and continuously improved by Google to ensure that they deliver search results as accurately as possible.
How many can you name?
How many of theGoogle Updatescan you name?
Google Browser Toolbar Update
Google Dance
Major Google Algorithm Updates
Every year since, Google has been making updates to their algorithm. Their goal is to make sure that they return the most relevant search results possible, in the fastest way possible.
It’s said that Google makes 400 updates a year. That number amounts to a minimum of one update per day.
Major Google Algorithm Updates
Over the past 15 years, Google has released plenty of Algorithm updates that have affected the way search results appear.
While some of the updates released were subtle or quite unnoticeable, others hit hard and changed how a whole nation saw there SERP
Google Update February 2003 (Boston)
• Incoming links• Targeted phrases• Unique content
• Noticeable decrease in back links• Heavily cross-loaded linked sites penalized• Lower Page Rank of the same sites
EFFECT
TARGET
Google Update: April 2003 (Cassandra)
EFFECT
TARGET
• Hidden texts• Hidden links• Massive internal linking of co-owned sites
• Massive index update• Lesser spam
Google Update: May 2003 (Dominic)
• Back Links
• Cut-down on back linking • Change in link weighting • Drop in PageRank
EFFECT
TARGET
Google Update : June 2003 (Esmeralda)
EFFECT
TARGET
• Page content• Introduced Everflux
• Lesser spam• Up to date information
Google Update: November 2003 (Florida)
EFFECT
TARGET
• Keyword stuffing• Linking• Low-value SEO techniques
• Road block for Black Hat SEO techniques• Removal of fishy back links
Google Update: January 2004 (Austin)
EFFECT
TARGET
• Invisible texts• Meta elements• Keyword density
• Penalizing of suspicious sites• Banning of spam sites
Google Update: February 2004 (Brandy)
EFFECT
TARGET
• Anchor text relevance• Latent Semantic Indexing
• Authority sites picked up rank
Google Update: February 2005 (Allegra)
EFFECT
TARGET
• Suspicious looking links• Spam sites
• Drop in rankings for sites with low-quality link exchanges
Google Update: May 2005 (Bourbon)
EFFECT
TARGET
• Duplicate content• Non-canonical URLs
• Removal of 302 Pagejacking
Google Update: October 2005 (Jagger)
EFFECT
TARGET
• Low-quality links• Link farms• Paid links• Reciprocal links
• Cut down on irrelevant reciprocal linking
Google Update: February 2006 (Big Daddy)
EFFECT
TARGET
• Inbound links• Outbound links• Suspected spam sites
• Suspected spam sites placed under supplemental category• Some highly suspicious sites removed from the index
Google Update: August 2009 ( Caffeine)
EFFECT
TARGET
• Indexing
• Fresher search results• Sites that ranked previously were topped by newer results with more relevant content.
Google Update: February 2011 (Panda)
EFFECT
TARGET
• Content farms• Scraped content• Content depth
• Companies layoff workers• 11% of US websites are affected.
Google Update: April 2012 (Penguin)
EFFECT
TARGET
• Over optimization• Link buying• Keyword stuffing
• 3.1% of search queries
Google Update: Sept. 2013 (Hummingbird)
EFFECT
TARGET
• Improvement in semantic search
• Conversation recognition• Long tailed queries better understood• Caters to mobile users
Post-Update Effects
Who was affected?
Visibility Losses
94%
articlesbase.com
94%
suite101.com
93%
associatedcontent.com
93%
business.com
91%
essortment.com
Search Engine Rank Losses
79%
suite101.com
75%
associatedcontent.com
72%
buzzle.com
71%
ezinearticles.com
67%
hubpages.com
Chapter Summary
Understanding on algorithms
The major Google updates
Effects of Google updates on the web
In this chapter, we have learned the ff: