cdc.gov
Centers for Disease Control and Prevention
Mission is to promote health and quality of life by preventing and controlling disease, injury, and disability. Includes guidelines, articles and resources for consumers and health professionals.
Statistics Summary for cdc.gov
| Alexa Traffic Rank | Reputation | ||
|---|---|---|---|
|
Global Rank
An estimate of cdc.gov's popularity. The rank is calculated using a combination of average daily visitors to cdc.gov and pageviews on cdc.gov over the past 3 months. The site with the highest combination of visitors and pageviews is ranked #1. Learn more. Updated Daily |
1,021 Rank in
US
An estimate of cdc.gov's popularity in a specific country. The rank by country is calculated using a combination of average daily visitors to cdc.gov and pageviews on cdc.gov from users from that country over the past 3 months. The site with the highest combination of visitors and pageviews is ranked #1 in that country. Updated Daily |
Sites Linking In
A measure of cdc.gov's reputation. The number of links to cdc.gov from sites visited by users in the Alexa traffic panel. Links that were not seen by users in the Alexa traffic panel are not counted. Multiple links from the same site are only counted once. Updated Monthly |
2 Reviews
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Traffic rank for cdc.gov:
| Traffic Rank | Change | ||
| Yesterday | 2,720 | -551 | |
|---|---|---|---|
| 7 day | 3,080 | -101 | |
| 1 month | 3,164 | -637 | |
| 3 month | 3,412 | +415 | |
Estimated percentage of global pageviews on cdc.gov:
| Pageviews | Change | ||
| Yesterday | 0.00175 | +54% | |
|---|---|---|---|
| 7 day | 0.00129 | +15% | |
| 1 month | 0.001201 | +28% | |
| 3 month | 0.001104 | -9.1% | |
Estimated percentage of global internet users who visit cdc.gov:
| Reach | Change | ||
| Yesterday | 0.052 | +7% | |
|---|---|---|---|
| 7 day | 0.05 | -1% | |
| 1 month | 0.0493 | +18% | |
| 3 month | 0.0462 | -9.4% | |
Estimated percentage of visits to cdc.gov that consist of a single pageview:
| Bounce % | Change | ||
| Yesterday | 50 | 0% | |
|---|---|---|---|
| 7 day | 50.7 | -3% | |
| 1 month | 51.9 | -4% | |
| 3 month | 53.2 | -3% | |
Estimated daily unique pageviews per user for cdc.gov:
| Pageviews/User | Change | ||
| Yesterday | 3.6 | +40% | |
|---|---|---|---|
| 7 day | 2.77 | +17% | |
| 1 month | 2.58 | +8% | |
| 3 month | 2.5 | 0% | |
Estimated daily time on site (mm:ss) for cdc.gov:
| Time on Site | Change | ||
| Yesterday | 03:57 | +28% | |
|---|---|---|---|
| 7 day | 03:10 | +11% | |
| 1 month | 02:60 | +9% | |
| 3 month | 02:54 | +1% | |
Estimated percentage of visits to cdc.gov that came from a search engine:
| Search % | Change | ||
| Yesterday | 23.9 | +11% | |
|---|---|---|---|
| 7 day | 22.7 | +4% | |
| 1 month | 23.2 | -10% | |
| 3 month | 25 | -31% | |
Average Load Time for Cdc.gov
Very Fast (0.745 Seconds), 82% of sites are slower.
Cdc.govs Regional Traffic Ranks
Country
Rank
1,021
1,163
1,981
2,112
2,209
2,655
3,173
3,272
3,542
3,674
4,496
5,713
6,058
6,092
6,773
7,077
9,228
9,933
18,095
21,574
28,380
38,505
Where Visitors Go on Cdc.gov
Subdomain
Percent of Visitors
cdc.gov
85.69%
wwwnc.cdc.gov
6.44%
blogs.cdc.gov
2.54%
bt.cdc.gov
2.46%
nccd.cdc.gov
2.21%
atsdr.cdc.gov
2.10%
wwwn.cdc.gov
0.91%
dpd.cdc.gov
0.71%
phil.cdc.gov
0.65%
emergency.cdc.gov
0.58%
www2a.cdc.gov
0.50%
www2c.cdc.gov
0.48%
gis.cdc.gov
0.36%
citgo.cdc.gov
0.28%
espanol.cdc.gov
0.26%
wonder.cdc.gov
0.26%
Audience Snapshot
Top Search Queries for Cdc.gov
| Query | Percent of Search Traffic |
|---|
| 1 | cdc jobs | 43.27% |
| 2 | cdc | 4.91% |
| 3 | herpes | 0.98% |
| 4 | hand foot and mouth disease | 0.56% |
| 5 | hpv | 0.39% |
| 6 | chlamydia | 0.39% |
| 7 | how to remove a tick | 0.33% |


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Search Traffic
The percentage of site visits from search engines.
| Period | Percent of Site Traffic |
|---|
| Last 30 days | 23.2% |
| Last 7 days | 22.7% |
| Yesterday | 23.9% |
Top Queries from Search Traffic
The top queries driving traffic to cdc.gov from search engines. Updated monthly.
| Query | Percent of Search Traffic |
|---|
| 1 | cdc jobs | 43.27% |
| 2 | cdc | 4.91% |
| 3 | herpes | 0.98% |
| 4 | hand foot and mouth disease | 0.56% |
| 5 | hpv | 0.39% |
| 6 | chlamydia | 0.39% |
| 7 | how to remove a tick | 0.33% |
| 8 | syphilis | 0.31% |
| 9 | bacterial vaginosis | 0.30% |
| 10 | gonorrhea | 0.28% |


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Search Traffic on the Rise and Decline
The top queries from search engines driving relatively more/less traffic to cdc.gov in the current month than the previous month. Updated monthly.
| Search Query | 1 Month Increase
|
|---|
| 1 | cdc | 4.46% |
| 2 | herpes | 0.51% |
| 3 | hand foot and mouth disease | 0.35% |
| 4 | how to remove a tick | 0.29% |
| 5 | chlamydia | 0.20% |
| 6 | syphilis | 0.20% |
| 7 | hpv | 0.19% |
| 8 | sexually transmitted diseases | 0.18% |
| 9 | bacterial vaginosis | 0.18% |
| 10 | gonorrhea | 0.16% |
| Search Query | 1 Month Decline
|
|---|
| 1 | cdc jobs | 34.75% |
| 2 | obesity rate in children | 0.03% |
| 3 | skin cancer prevention | 0.01% |
| 4 | hiv | 0.01% |
| 5 | living with aids | 0.01% |
| 6 | yellow fever endemic countries | 0.01% |
| 7 | healthy weight for kids | 0.00% |
| 8 | ipv | 0.00% |
| 9 | foodtv | 0.00% |
| 10 | مس | 0.00% |
Search Advertising Metrics Highlights
Data provided by iSpionage. Visit iSpionage to discover additional information metrics for cdc.gov.
| Last Month Stats (Estimated) | ||
|---|---|---|
| PPC Budget | ||
| Last Month Clicks | ||
| Avg. Ad Position | ||
| Google PPC Keywords | ||
| Yahoo PPC Keywords | ||
High Impact Search Queries for cdc.govPopular queries that are relevant to this site and are actively targeted by competitors advertising on search engines. Click on queries below to discover who is advertising for these queries. |
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| Query
A phrase that drives traffic to cdc.gov from search engines. This list also includes sub-phrases that account for a high percentage of this site's search traffic broken out separately. For example, if the site receives traffic for 'buy diamond ring', 'diamond necklace', and 'diamond bracelet', the word 'diamond' might also appear in the list. |
Impact Factor
A high value indicates that cdc.gov is getting significant organic search traffic for queries containing these phrases, despite high advertising competition for these phrases. Impact Factor is a combined measurement of the importance of a particular phrase to the site's search traffic and the level of search engine advertising competition (QCI). The index is on a scale of 0 to 100. Updated Monthly |
Query Popularity
An estimate of how frequently users search for these keywords, on a scale from 0 to 100. Higher numbers indicate higher frequencies. Updated Monthly |
QCI
QCI indicates the typical number of ads displayed for keyword searches on major search engines. A large number of ads indicates strong advertising competition for a query. The index is on a scale from 0 to 100. Updated Monthly |
|---|---|---|---|
| herpes | 7.20 | 51 | 36 |
| hpv | 2.80 | 46 | 35 |
| how to quit smoking | 2.56 | 36 | 57 |
| bacterial vaginosis | 2.16 | 41 | 35 |
| chlamydia | 1.97 | 44 | 25 |
| foot and mouth disease | 1.77 | 28 | 23 |
| hand foot and mouth disease | 1.43 | 40 | 13 |
| hiv | 1.17 | 49 | 35 |
| sexually transmitted diseases | 1.16 | 38 | 28 |
| syphilis | 1.09 | 44 | 17 |
| how to remove a tick | 1.09 | 47 | 16 |
| birth certificate | 1.09 | 36 | 62 |
| genital herpes | 1.09 | 36 | 32 |
| bmi | 1.02 | 59 | 23 |
| meningitis | 0.95 | 45 | 24 |
| flu | 0.94 | 38 | 45 |
| lyme disease | 0.90 | 43 | 34 |
| flu shots | 0.88 | 32 | 55 |
| flu shot side effects | 0.87 | 30 | 32 |
| swine flu | 0.85 | 32 | 57 |
| hiv rates | 0.85 | 32 | 30 |
| bmi calculator | 0.84 | 48 | 17 |
| std | 0.83 | 42 | 28 |
| growth chart | 0.75 | 32 | 35 |
| chronic fatigue syndrome | 0.75 | 35 | 46 |
| flu shot | 0.75 | 28 | 48 |
| flu vaccine | 0.73 | 32 | 42 |
| childhood obesity | 0.69 | 32 | 38 |
| skin cancer prevention | 0.68 | 32 | 85 |
| shingles vaccine | 0.66 | 29 | 53 |
Search Engine Marketing (SEM) Activity by cdc.gov
Ads for cdc.gov have appeared on major search engines when people performed the queries below. Click on the queries below to discover more information.
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Search Engine Marketing (SEM) Opportunities for cdc.govQueries that provide opportunities for this site to advertise through Search Engine Marketing (SEM) to get more traffic. They are popular queries that are relevant to the site, and have low competition in search engine marketing. Learn More Many sites are actively advertising in search engines for the most valuable search queries. This high level of competition tends to result in high advertising costs, which makes it difficult to find attractive advertising opportunities. These opportunities may still exist, however, by looking at the "long tail". The long tail contains search queries with lower Query Popularity, but such queries also tend to have lower QCI. By advertising for many of these queries, sites may still be able to manage an effective search engine marketing campaign. Note that not all queries on the long tail may be very relevant to this site, but this list may contain a number of strong advertising candidates. |
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Review Summary for cdc.gov
Reviews for cdc.gov
this site to a friend
- Not enough testing of Vaccine Side Effects
- Jan 09, 2010
this site to a friend
- the main health website for the US govt
- Legacy Review


Site Audit If you want to improve your SEO techniques, increase your organic search traffic, and ensure complete site analytics tag coverage, this tool is for you.
Toolbar Creator Generate your own custom toolbar and promote it to your visitors to increase engagement and generate more frequent visits to your site.
Edit Your Listing Update your listing on Alexa, including your site description, contact information, and more.
View All Access all of Alexa’s Site Tools.


Audience Demographics for Cdc.gov
Relative to the general internet population how popular is cdc.gov with each audience below?
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Confidence: high
Advanced Demographics for cdc.gov
Audience breakdown by income, ethnicity, age, education, gender, children and browsing location.
Visitors by Country for Cdc.gov
Country
Percent of Visitors
58.8%
6.1%
3.3%
2.9%
2.7%
1.4%
1.3%
1.0%
1.0%
0.9%
1.4%
1.3%
1.0%
1.0%
0.9%
0.9%
0.8%
0.8%
0.6%
0.6%
0.6%
0.6%
0.6%
0.6%
0.6%
0.6%
0.5%


1,021
Nigeria
Mexico
Philippines
Canada
Colombia
South Africa
Peru
Australia
Venezuela
United Kingdom
Malaysia
Pakistan
India
South Korea
Iran
Spain
Indonesia
Italy
France
Japan
Germany





