Description: The National Center for Biotechnology Information (NCBI) provides an integrated approach to the
use of gene and protein sequence information, the scientific literature (MEDLINE), molecular structures, and related resources,
in biomedicine.
Information for 2009. Data for January 2010 is available here
Site: "www.ncbi.nlm.nih.gov"
Approx. monthly SE traffic: 1.26M
Approx. monthly SE traffic cost equivalent: $1.17M
Approximate Summary Search Engine Traffic
Traffic
Est. Cost
Organic keywords
1.26M
$1.17M*
Paid keywords
N/A
N/A
* — "Est. Cost" for organic traffic means amount of money the site owner would pay for such traffic if he bought it in PPC systems.