Everything you type is recorded. Even if you don’t post.


We collected data from 3.9 million users over 17 days and associate self-censorship behavior with features describing users, their social graph, and the interactions between them. Our results indicate that 71% of users exhibited some level of last-minute self-censorship…

The …


The Biggest SERP Flux Since Penguin 2.0

Algoroo has measured the highest recorded level of SERP flux in Google since Penguin 2.0. The jump happened on the 17th of December, following a week of intermittent fluctuation in results.

algoroo update

Our team has already investigated the cause and there …


Creating Authoritative Content Without Client Input

Client Punching My face

I tend to talk about the importance of content till my clients want to punch me in the face.

I can understand why. Creating “great” content can be hard without client input. After all, you’re an expert in SEO, not …


7 Reasons Why Your Online Marketing Is Failing

As the internet becomes the primary source of communication between consumers and businesses, whether it be for social conversation, information provision or sales of products and services, being able to market your business successfully on the web is crucial.



Possible Google Update: Friday 25-10-13

Algoroo has measured a significant ranking flux on Friday after a relatively stable fortnight indicating at a possible algorithmic tweak at Google.

2.33 roos

The SERP turbulence level this Friday was at a whopping 2.33 roos making it the 8th most volatile


Reddit: Google’s Semantic Data-Mining Opportunity

Look at this perfectly looped image sequence. It’s link building, chain making, Futurama, factory… it’s satisfying, and hypnotic. Google, however, won’t be able to link these concepts well enough unless it’s fed structured semantic data. They must find creative ways …


Tested: QR and EXIF URL Discovery


I’ll keep this short and to the point. We tested two things:

  1. Will Google discover a URL contained in a QR code?
  2. Will Google discover a URL contained in an EXIF?

The answer to both at this stage of our …


The Art of Link Earning

NOTE: An updated, 2016 study is available here.

Exactly two years ago, I published a little study on link anatomy [PDF] from link builder’s point of view and many were surprised to see so many attributes attached to something …


Anchor Text Harvesting

This article explains how to crawl a single domain and generate a complete list of all external anchor text used.


  1. Log into 80legs and create a new job. You can name it whatever you like.
  2. Add the URL