“How can you claim to be SEO Analyst is a website that 300,000 alexa http://www.clickdepot.com
Alexa is well known that failure more than a gun show and the problem is not to use Alexa to make statements like the above, the problem is when numerous sites declare themselves leaders in the market and I believe … Also there are people who uses this data to decision making serious business.
Alexa can serve as another indicator (trend) on occasion, but then to act on that data, I think a serious error.
Do not forget that Alexa is a measurement tool User Centric. This means collecting data browsing behavior of users but in this case it does through a panel, but does so through a browser bar. The problem of User Centric systems is leading to measurement errors, and intended to represent a part of reality. Alexa If the error is even greater.
Why is not legit Alexa?
1 – I use very few persons:
Alexa is used only for users who have installed the toolbar voluntarily wanted. Alexa also does not want to reveal the information, but according has been downloaded 22,000 times.
2 – The public is pretty inbred:
Due to its characteristics, rather it is a tool used by Webmasters, geeks … and above all, the public is overwhelmingly American. Do not forget that one of the characteristics of a measurement system is that it should User Centric Internet users represent a country, so Alexa in does not.
3 – The data are easily manipulated:
There have always been rumors that install the plugin into your Alexa ranking improvements (proof here). Also in small sites (but with enough traffic to make it look in Alexa) to encourage your users to the toolbar installed and a few do, the data will change significantly.
4 – Do not add domains:
There are brands that sometimes working with multiple domains, so that when you benchmark can not have a clear view of the actual position of a website.
5 – Having trouble with local sites:
My past has me analyzing .com major brands and here you have a case where the exhibits this problem.
Alexa has serious measurement error (not a precise tool, not exact) since the sample used is small and biased. Still, it is a tool used by many people to decision-making, even SEOs (although not admit it) to among other things, pricing the links on their site. To compare trends with other sites in the same sector (direct competitors) must also make the data in the same context. Alexa In this case it may be useful, though, also looking at this data with other sources of the same type (Google Trends, Ad Planner, etc …), but no more.