Author Archive

Correlation Equals Causation

I have to say that I am a bit fed up with all this “correlation does not equal causation” talk and wish to bring something new to your attention.

seo correlation

Authors of awesome articles rich in research, analysis and data, often feel compelled to inject the correlation ≠ causation clause.…

 

5 Things I Love About Bing Webmaster Tools

Five awesome features and options in Bing’s ‘phoenixed’ webmaster tools and how they compare to Google Webmaster Tools.

#1 – Link Explorer

This tool allows you to slice and dice your link profile much like Open Site Explorer or Majestic SEO do.…

 

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 found most interesting:

[Links+Onsite] Deeper detection of hacked pages

This means you will no longer see hacked websites which rank for “buy viagra“.…

 

39 Totally Free Consumer Survey Results

insights

Others have paid for it but you get the data to free thanks to Google and use of advanced search queries.

 

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 # for that URL the likes, +1′s and Digg counts would reset to zero.…

 

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 subtle changes such as order of websites in search results.…

 

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 “mi goreng” and “rissoles recipe”.…

 

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 like the best will receive $100 via PayPal.…

 

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 PageRank value of chain-linked documents vs.
 

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

NEW CURRENCY DENOMINATIONS

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

CITY BOUNDARIES ON LOCAL MAPS

sample inputs:
nyc
local map of Santa Fe, NM

ENTITY-PROPERTY CHAINING

sample inputs:
population of the bordering countries of france
GDPs of the official speaking countries of mandarin chinese
tax rate of the states of hoover dam
birthdays of the discoverers of neptune
most common words in the acts of the Merchant of Venice

VENUS TRANSIT

sample inputs:
venus transit

PROPERTIES OF FALLING RAINDROPS

sample inputs:
5mm diameter rain drop
what is the average raindrop size in 3inches of rain per hour?…

 

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