analytics - Is there a way to check if a browser has the Alexa toolbar installed? -

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Is there a way to see if Alexa Toolbar is installed in the visitor's browser? Maybe it can be done via javascript.

By doing this, we will likely get a little bit of compensation for the favorability of Alexa ratings of the site. See example.

The Alexa Toolbar is not very common outside of the United States in particular - but anyway, it is used, so by measuring the proportion of Toobar / No-Toolbar visits on known websites, Any correction factor can determine.

I am a web developer / designer who I manage which is under the control of some customer websites. They come in different categories, as I can make statistics, using browsers and platforms. Correlate, and possibly also correlate with the use of Alexa Toolbar. Those categories include 'General Public Website', 'Educational Website', 'Technical Website', 'Web Developer and SEO Website' etc.

I'm not sure that Alexa tries to compensate for this bias itself, and, if, how it is done, but possibly this information can also be found.

For some browsers it modifies the user agent so that you See if user can access 

  & lt ;? Php if (preg_match ('/ (Alexa) / i', $ _ server ['HTTP_USER_AGENT'])) {echo 'this is Alexa reporter :)')? & Gt;

or 

  & lt; Script & gt; If (navigator.userAgent.indexOf ('Alexa')! = -1) {Warning ('This Alexa Reporter');}

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