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Top Referrers (Inbound Links) to CDC.gov

2013 Annual Summary

Analysis: The Top Referrer report lists the top 25 domains of external Web sites which link to CDC.gov. This is also referred to as inbound links, permanent links, or hard coded links to any page on CDC.gov.

For 2013, the Google search engine (U.S.) remained the top referrer accounting for 52% of the traffic to CDC.gov based on the top 10 referring domains. The Typed/Bookmarked sites account for 27%. The Yahoo and Bing search engines account for 5%. Combined, the majority of traffic to CDC.gov in 2013 came from these four sites.

Top 10 referrers to CDC.gov (2013)

RankReferring DomainsInstances
1.google.com118,891,607
2.Typed/Bookmarked62,885,201
3.bing.com11,816,356
4.yahoo.com8,817,528
5.google.ca6,849,954
6.google.co.uk6,290,094
7.google.com.mx5,701,240
8.google.com.au3,206,629
9.google.co.in3,054,501
10.google.com.co2,043,556
11.google.es1,858,913
12.google.com.ph1,776,332
13.google.com.ar1,495,294
14.govdelivery.com1,462,357
15.nih.gov1,446,815
16.facebook.com1,426,140
17.google.com.pe1,244,672
18.ask.com1,128,186
19.google.cl985,808
20.google.co.ve897,544
21.wikipedia.org687,897
22.google.co.za669,253
23.google.com.sg632,331
24.google.co.nz613,612
25.google.com.my577,038
  • Page last reviewed: March 20, 2014
  • Page last updated: March 20, 2014
  • Content source:
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