id	domain	url
crln-8123	www.google.org	www.google.org/fl
crln-8123	www.nature.com	www.nature.com/nature/journal/vaop/ncurrent/full/nature07634.html
crln-8123	www.nielsen.com	www.nielsen.com
crln-8123	www.printgreener.com	www.printgreener.com