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Archive For: Advanced SEO Topics

Small-Scale CTR Impact on Search Results

We tested the influence of small-scale click-through-rate on position of two pages on two new domains in Google. Two freshly registered domains (A & B) were used.

What did our test involve?
1. Search Google for “keyword”
2. Click on …

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The Random Google

Is Google purposely randomizing things just to mess with us? Let’s take a look at one patent and two SEO experiments.

Random Choices

In March 2011, I wrote an article outlining an interesting phenomenon I observed with PageRank distribution in a controlled …

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Unusually Fresh PageRank Update in August 2012

Google’s toolbar PageRank (TBPR) values were released to public in August this year, but with much fresher snapshot date than we remember.

PageRank value is always a historic figure showing real-time PageRank score of a page at the time when …

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How I Accidentally Conducted My First Panda Experiment

Taking a look at an old search experiment with some interesting observations in the light of recent algorithm changes.

Note: I welcome all input, feedback and constructive criticism. However, if you’re of the opinion that SEO experiments are pointless, then

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SEO Experiment With Non-Link References

Does Google use written (non-linked) URLs as a ranking signal? Dejan SEO team investigates with a simple experiment.

Link and URL reference

The Almost Link

The web is full of plain text URL references and to me they are the missing link in the

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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 …

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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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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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