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How Google’s 39 May Updates Impact SEO

Which of Google’s 39 May updates impacted SEO? This is a review of most significant changes affecting our industry. I will keep it short and sweet as I hope to save you time here.

Google Update

Here are the ones which I …

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Social Signal Consolidation

Is consolidation of social signals possible? Dejan SEO team investigates with a simple test including the rel=”canonical” element.

One of our recent fun graphics got a respectable amount of exposure in social media, however if we load a comment # …

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Survey Results: Users Prefer Post-Penguin Google

We asked 2,190 Google users if they noticed any changes in Google results since Penguin. This is what they said.

Yes 22.7% - No 77.3%

Google implements countless changes and tweaks to their search results over a single year and most users don’t notice more …

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Correlation and SEO

Here’s one simple example why drawing conclusions from correlated data can be misleading:

seo correlation

As you can see we found patterns in search behaviour of Australian Google users and from the above we can conclude that “SEO” is highly correlated with …

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100 Dollar Marketing Challenge

100 Dollar Idea

If you had only $100 to promote something, how would you spend it?

We’re looking for creative and helpful ideas for ‘marketing on a shoestring’. Tell us how you would spend $100 to get the maximum ROI. The answer we …

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PageRank Modelling Study

This is an academic study of controlled PageRank modelling of a simplified link graph in a collection of three documents.

Key Observations:
  1. Introduction of a new document into the existing collection reduces the PageRank value of existing documents
  2. Differences in

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Wolfram | Alpha Updates

What’s new in Wolfram|Alpha? Here’s a list of the latest changes and updates rolled out in May 2012.

Wolfram Alpha Computational Knowledge Engine


sample inputs:
zambia 25 ngwee coin
1 haiti gourde coin
50 ethiopia birr bill
25 east timor centavos
200 …

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