Archive for ‘Research’

Tested: Google’s New Barrier to Entry

Spam

Penguin 2.0 did many great things for the quality of Google’s search results, but one of them went largely unnoticed by the mainstream SEO community. Since the last update I was approached by several people who have noticed a new layer of protection against spam entering Google’s results quickly.…

 

How to Visualise Very Large Websites

If you’re running a small-to-medium sized website, visualising website architecture isn’t difficult. What do you do if your website exceeds 100,000 or even 1,000,000 pages?

Visio, PowerMapper, SmartDraw and similar applications won’t do the trick. They produce great visualisations in a relatively short time period, but they fail/break/time out when facing websites such as eBay and Amazon.…

 

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 on a daily basis.…

 

Google’s Results Change During Weekends and Weekdays

We’ve been tracking volatility in Google’s results for a while now and one thing that’s been consistently popping up was a high level of result changes during weekends. Typically two days, but ranges from one to four. It looks as though they change the results in time for weekend and then restore them back to a “week mode”.…

 

Introducing: HyperPagerank

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 graphs to determine varying degrees of (query-agnostic) importance of pages in its index.…

 

Google+ Hashtags: Initial Observations

One of the more interesting aspects of Google+ redesign in my opinion is the new way of #hashtag handling. This short post goes over a few basic observations I’ve made so far.

Triggering

What I find interesting is that certain keywords trigger the tag, while others do not.…

 

Crowdsourcing: Googler’s Examples of Bad Links

Bad Links

Google’s webspam team consists of people who look at spammy links on a daily basis and can recognise bad links quickly. These people also help webmasters recover from penalties by guiding them through the reconsideration process. Part of the process often includes examples of remaining bad links and this is what we’re interested in.…

 

Tracking Rankings With Google’s Referrer URL

Earlier this year I wrote about the problem of diminishing keyword data and offered a number of solutions to overcome this problem. Today I will highlight one specific method of keyword and position mining – server log files.

These days there is no such thing as an absolute ranking position.…

 

Is Google’s Cache Your Traffic or Google’s Traffic?

I have real-time analytics on my wall in the office and every now and then I bump into an odd case of search traffic. This time I spotted a very unusual keyword:

cache:http://dejanseo.com.au/anchor-text-proximity-experiment/

keyword

It’s impossible to search Google for the above as a regular query (unless you use quotes) and users are taken to Google’s cache of the page and not your own site.…

 

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 an ideal post size for my own blog.…

 

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