Tag: problems


Alexa, web statistics, and your personal information

May 7th, 2009 — 5:56am

Alexa.com toolbar is a web traffic analysis program integrated into your browser. I always knew that services like Alexa keep track of what websites users visit, time they spend there, and similar general statistics. What I didn’t know until today is that they collect very personal information about you, and they also publish some of it. For example, private pages and links that you visit may appear on Google as Alexa may place them in their site analysis section (sites linking to… and similar). Imagine you write a private blog post where you link to some site you want only your friend to know about, and then few days later you find these links on Alexa site and indexed by Google thanks to Alexa not respecting your privacy! Also, did you know that:

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Google Canonical URL Problems (and Link Disappearance from SERP-s)

April 6th, 2009 — 12:22pm

FINAL UPDATE: this turned out to be a false alarm! do not panic!! self-referential canonical link is fine, and doesn’t cause problems. You can still read the post and comments below to see how I got confused.

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