Find information about domains, including the kind of content that they carry, how popular are they, sites linking to them, among other things. The package provides access to the Alexa Web Information Service API: https://docs.aws.amazon.com/AlexaWebInfoService/latest/.
To learn how to use aws.alexa, see this vignette: https://CRAN.R-project.org/package=aws.alexa/vignettes/overview.html.
You need to get credentials (Access Key ID and Secret Access Key) to use this application.
If you haven't already, get these at https://aws.amazon.com/.
And set these using set_secret_key