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The Hidden Value of Custom Video Images on YouTube

Our observations indicate that Google might be utilising their image recognition technology from search to find related videos on YouTube. In a number of follow-up test cases we found strong correlation between the two, but only with fresh videos or …

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PageRank Split Experiment

PageRank Split Experiment

One of the commonly circulated SEO theories is that links from pages with many outgoing links are not worth much. Dejan Labs team put this theory to a test in hope to find out what really happens.

The Experiment Setup…

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Rejuvenating Old Links

Rejuvenating Old Links

I’m pleased to announce that we’ve commenced another search experiment. We’re investigating the impact of link rejuvenation on page’s performance in search. More specifically, we’ll be changing the format of existing links to create new ones.

Background

When Google re-crawls …

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Impact of Follower to Following Ratio on Google+

follower experiment header

The objective of this experiment was to determine whether there is a connection between the ratio of “circled” and “in circles” and page position in internal Google+ search. Often you will find that very popular pages follow only a handful …

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Next Panda Update: More Forgiving?

Panda Google

We’re seeing signs of thin-repetitive content finding its way back into Google’s index in the last couple of days. Is this a sign of a gentler, more forgiving search quality algorithm?

There are a few search queries which I perform …

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