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Archive For: Research

Results: Ten Months of Google Algorithm Changes

Google Flux

Data Source: Algoroo

We process search query data for thousands of keywords on a daily basis and observe fluctuations in their position. By adding both ups and downs into a single movement score we’re able to map the change levels …


Introducing: HyperPagerank


A ‘traditional’ link graph is a directed graph which consists of nodes connected by edges, a schematic representation of a document collection connected by directional links (A → B). Link-based search engines (such as Google) rely on directed link …


Impact of Word Count on Social Shares

I have so far written around 200,000 words of content. Some of my posts are long and detailed, others can be amazingly short. I experimented with various formats over the years but was unable to find the exact pattern of …


Anchor Text Proximity Experiment



I always felt that surrounding text plays a semantic role in Google’s search algorithm, but was never able to ascertain the degree of its influence or whether it has any impact at all. This experiment was designed to test …


Google Doesn’t Index Selectively Shared Posts

Excluded Circle

As you can guess from the title, our main discovery (or I should say confirmation) is that Google+ posts you share with limited circles will not be indexed and will not return in Google’s non-personalised search results.

So, if you …


Chameleon’s Tail Chase

 Chameleon's Tail Chase

This article discusses the problem of diminishing keyword data and suggests innovative ways of using the available data in the future.

Key items:

  1. The value of long-tail keywords
  2. Encrypted search gaining momentum
  3. Decreasing amount of available keyword data
  4. Google’s tools

SEO Test: Sending Mixed-Signals to Google

This is an SEO experiment designed to ascertain whether it is possible to confuse Google into noindexing your pages with combined use of rel=”canonical” and “noindex”.

Read on to find out how we intend to do it and how you …