The top 500 sites on the web The sites in the top sites lists are ordered by their 1 month Alexa traffic rank.

The 1 month rank is calculated using a combination of average daily visitors and pageviews over the past month. The site with the highest combination of visitors and pageviews is ranked #1

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Site
Daily Time on Site Daily Time on Site

Estimated daily time on site (mm:ss) per visitor to the site. Updated daily based on the trailing 3 months.
Daily Pageviews per Visitor Daily Pageviews per Visitor

Estimated daily unique pageviews per visitor on the site. Updated daily based on the trailing 3 months.
% of Traffic From Search % of Traffic From Search

The percentage of all referrals that came from Search engines over the trailing month. Updated daily.
Total Sites Linking In Total Sites Linking In

The total number of sites that Alexa found that link to this site. For more information please see this explanation of how Alexa determines the number of sites linking in.
1

Nih.gov

US Government department in charge of medical research.

3:50

3.26

58.50%

197,595

2

Webmd.com

Resource for consumers, physicians, nurses, and educators. Includes news, chat forums, health qMoreuizzes and consumer product updates. Less

2:19

1.57

69.40%

61,937

3

Myfitnesspal.com

Free online food diary, calorie counter with large food database. Also calculates calories burnMoreed by exercise. Free mobile apps. Discussion forum. Less

5:12

4.03

27.50%

7,860

4

Mayoclinic.org

Clinical experts provide current medical information and news on health topics.

2:11

1.36

76.40%

26,584

5

Psychologytoday.com

Featured columns on relationships, mental health education, and work related issues. Recent menMoretal health news and archives. Includes a national therapist directory. Less

2:13

1.62

63.00%

22,628

6

3:33

2.85

52.40%

86,519

7

Cdc.gov

Mission is to promote health and quality of life by preventing and controlling disease, injury,More and disability. Includes guidelines, articles and resources for consumers and health professionals. Less

2:52

2.26

59.40%

88,722

8

Kaiserpermanente.org

[USA] A not-for-profit organization serving members in several states and Washington, DC. It opMoreerates as a working partnership of two organizations: Kaiser Foundation Health Plan and Hospitals, and the Permanente Medical Groups. Less

5:14

7.01

25.10%

1,829

9

Medscape.com

Features medical journal articles, images, case reports, medical news, free Medline, CME, and dMorerug searching. Less

2:46

2.01

62.80%

23,277

10

Medicinenet.com

Describes conditions, diseases, tests, and procedures, with a medical dictionary.

3:08

1.70

63.40%

14,279

11

Medlineplus.gov

Health information from the National Library of Medicine. Easy access to Medline and Health topMoreics, medical dictionaries, directories and publications. Less

1:57

1.33

78.30%

2,967

12

Drugs.com

Drugs.com is the most popular, comprehensive and up-to-date source of drug information online. MoreProviding free, accurate and independent advice on more than 24,000 prescription drugs, over-the-counter medicines & natural products. Less

2:22

1.74

69.60%

9,595

13

Nhs.uk

 

0.00

0.00%

7,419

14

Menshealth.com

Site contains daily tips and articles on fitness, nutrition, relationships, sex, career and lifMoreestyle. Less

2:17

1.50

49.40%

8,573

15

Emedicine.medscape.com

Directory of free online medical reference textbooks for physicians, medical students, physiciaMoren assistants, nurse practitioners, nurses and the public. Up-to-date, searchable, peer-reviewed medical journals and textbooks. Less

2:46

2.01

62.80%

23,277

16

Mercola.com

Great source of health articles, optimal wellness products, and free natural health newsletter Moreof top medical news by Dr. Joseph Mercola Less

2:45

1.63

40.10%

19,197

17

Bmj.com

Electronic version of the BMJ. Publish accessible information that will help doctors improve thMoreeir practice and will influence the international debate on health. Access is free to all. Less

2:14

1.86

45.70%

34,279

18

Fda.gov

The Consumer Protection Agency of the U.S. Government which monitors medical devices, foods, drMoreugs, biologics, veterinary medicine, and toxicological research. Less

3:06

2.42

53.70%

46,597

19

Self.com

Find some of the stories that appear in the print magazine each month, health calculators, workMoreout slide shows, and fitness forums. Less

2:01

1.57

61.30%

8,895

20

Healthgrades.com

Search for doctors, dentists, and other specialists in your area.

1:56

1.61

70.70%

5,583

21

Health.com

Presents articles from the print version, with searchable information on conditions, diseases aMorend health advice. Less

1:54

1.24

63.00%

12,137

22

Patient.info

Evidence-based articles on many health and disease topics. Written by doctors for patients.

2:09

1.47

70.80%

2,072

23

Weightwatchers.com

Weight Watcher's point system allows you to eat what you want and lose weight.

4:08

3.90

22.00%

2,670

24

Apa.org

Promotes research and represents the professional interests of psychologists in the United StatMorees. Includes information on publications and conferences, and a find-a-psychologist referral feature. Less

2:01

1.70

38.00%

32,566

25

Zocdoc.com

Find medical professionals, in your area, and book an appointment.

3:13

2.83

54.30%

5,613

26

Prevention.com

Information about getting fit, losing weight, and living healthier lives from Prevention.com.

1:49

1.29

67.60%

6,576

27

Fragrantica.com

Perfume magazine, encyclopedia of fragrances, perfume reviews website and online community.

6:20

5.15

43.00%

6,048

28

Rxlist.com

Searchable cross index of US prescription products providing links to full prescribing informatMoreion as well as patient education material. Less

1:53

1.41

81.20%

4,700

29

Cancer.org

Dedicated to helping persons who face cancer. Supports research, patient services, early detectMoreion, treatment and education. Less

2:54

1.95

68.50%

20,783

30

Studentdoctor.net

A nonprofit forum. We help students become doctors: from audiology to veterinary medicine.

4:22

3.58

65.70%

4,080

31

Heart.org

Information and education about heart and stroke disease.

2:34

2.20

54.00%

16,120

32

Nejm.org

A weekly journal that publishes articles on new medical research findings, reviews, and other eMoreditorials. Less

2:44

1.95

31.90%

23,607

33

Clevelandclinic.org

Offers health and specialty information, research and clinical trials, news, and educational prMoreograms. Less

2:12

1.67

64.70%

5,854

34

Aafp.org

American Academy of Family Physicians represents more than 94,000 family physicians, family medMoreicine residents, and medical students. Less

3:15

2.97

61.80%

7,752

35

Niddk.nih.gov

Conducts and supports research on kidney, urologic, hematologic, digestive, metabolic and endocMorerine diseases, as well as on diabetes and nutrition. Less

3:50

3.26

58.50%

197,595

36

Nimh.nih.gov

Symptoms, diagnosis, and treatment of various mental illnesses. Included are brochures and infoMorermation sheets, reports, press releases, fact sheets, and other educational materials. Less

3:50

3.26

58.50%

197,595

37

Kidshealth.org

KidsHealth.org, created by the children s health and family experts of the Nemours Foundation, Morehas 1000 s of jargon-free, up-to-date, and reliable features, movies, and illustrations on the health and emotional development of babies, children and adolescents. Less

1:57

1.34

70.70%

17,039

38

Sdsu.edu

Four Divisions in the Graduate School of Public Health, offering a total of ten different graduMoreate degree programs. Less

6:18

5.84

30.50%

11,123

39

Petmd.com

PetMD is the largest global source of pet health information

1:53

1.29

78.90%

3,209

40

Niams.nih.gov

One of the research institutes of the National Institutes of Health (NIH). Publications, informMoreation about grants and clinical trials, meeting notices, and general information about the Institute and its work. Less

3:50

3.26

58.50%

197,595

41

Express-scripts.com

A specialty pharmaceutical business with administrative, pharmacy, and customer service operatiMoreons throughout the United States and Canada. Includes company profile and formulary, research and investor information. Less

5:38

5.66

19.20%

824

42

Cancer.gov

Credible, current cancer information from the U.S. National Cancer Institute.

2:25

1.89

65.60%

15,938

43

Aamc.org

Nonprofit group of medical schools, teaching hospitals, and academic societies. Provides assistMoreance for members in the areas of education, research, and patient care. Less

5:17

4.04

32.80%

1,766

44

Plannedparenthood.org

From Planned Parenthood Federation of America. Features various relationship and sexuality infoMorermation. Less

2:39

2.21

76.30%

4,606

45

Goodrx.com

Compares retail prices of prescription drugs from different pharmacies in the United States. CoMoreupons, discount card. Mobile app. Pill identifier. Less

2:55

2.28

57.80%

755

46

Spine-health.com

Information about back pain and neck pain, including causes, symptoms, diagnosis and full rangeMore of treatment options. Less

2:55

1.98

75.90%

2,661

47

Hopkinsmedicine.org

Site has a comprehensive search function to locate any information related to the institutions.More (Baltimore) Less

2:20

1.87

62.40%

7,186

48

Clinicaltrials.gov

Searchable database which provides patients, family members and the public with information aboMoreut current ongoing clinical research studies. From the U.S. National Library of Medicine. Less

3:52

3.28

45.60%

8,520

49

Nichd.nih.gov

NICHD seeks to assure that every individual is born healthy, is born wanted, and has the opportMoreunity to fulfill his or her potential for a healthy and productive life unhampered by disease or disability. Less

3:50

3.26

58.50%

197,595

50

Sutterhealth.org

Network of hospitals and doctors serving more than 100 communities in Northern California. InclMoreudes health information and locator for hospitals, physicians and services. Less

5:10

4.59

22.30%

816

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