![Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast - Moz Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast - Moz](https://moz.com/img_uploads/seomoz-visitors-overview.gif)
Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast - Moz
![Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet. Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.](https://helios-i.mashable.com/imagery/articles/05zPuNr6VGsVGh6EiTQWI8h/hero-image.fill.size_1248x702.v1639168149.jpg)
Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.
![Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet. Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.](https://helios-i.mashable.com/imagery/articles/05zPuNr6VGsVGh6EiTQWI8h/images-2.fit_lim.size_2000x.v1639170616.png)
Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.
![Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet. Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.](https://helios-i.mashable.com/imagery/articles/05zPuNr6VGsVGh6EiTQWI8h/images-1.fit_lim.size_2000x.v1639170616.png)
Amazon is planning to shutter Alexa.com, an online traffic analysis service from the old days of the internet.
![Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast - Moz Testing the Accuracy of Visitor Data from Alexa, Compete, Google Trends, Doubleclick & Quantcast - Moz](https://moz.com/img_uploads/compete-seomoz.gif)