Top Biotech Websites in the United States

Name: Top websites in United States (Biotech)
Creator: Semrush
License: https://smrs.toolshope.com/company/legal/terms-of-service/

Based on data from the Semrush Traffic Analytics tool, this page reveals the most visited websites. We will be updating this list on a monthly basis, so you can keep track of all the market shifts and spot changes in user interest.

Most Visited Biotech Websites in the United States, Updated September 2026

September 2026

Domain

Visits

Desktop share

Mobile share

MoM

YoY

Main Traffic Source

day1labs.org

4.27M

0.96%40.78K

99.04%4.23M

↑7.93%

↑996.85%

Direct

thermofisher.com

2.09M

69.63%1.45M

30.37%633.6K

↑13.2%

↓9.04%

Direct

23andme.com

2.08M

31.88%661.74K

68.12%1.41M

↑2.7%

↓24.54%

Direct

octapharmaplasma.com

1.96M

3.96%77.56K

96.04%1.88M

↓1.37%

↑20.63%

Direct

springernature.com

1.95M

89.67%1.75M

10.33%201.39K

↑15.61%

↑23.66%

Referral

sigmaaldrich.com

1.86M

61.76%1.15M

38.24%711.17K

↓20.13%

↓5.32%

Search

cell.com

1.55M

85.48%1.32M

14.52%224.67K

↑15.34%

↓1.86%

Search

natera.com

1.36M

20.21%275.1K

79.79%1.09M

↓27.24%

↑87.03%

Direct

genomelink.io

1.08M

12.7%137.31K

87.3%943.72K

↑20.96%

↑122.14%

Direct

biorxiv.org

1.05M

92.4%972.44K

7.6%79.98K

↑2.44%

↑14.02%

Search

fishersci.com

958.16K

89.4%856.61K

10.6%101.55K

↑0.45%

↑4.96%

Search

radiclescience.com

917.36K

1.64%15.07K

98.36%902.3K

↑188.19%

↑354.64%

Direct

pnas.org

889.3K

86.62%770.28K

13.38%119.02K

↑11.23%

↓0.35%

Direct

genealogyexplained.com

793.35K

13.59%107.82K

86.41%685.53K

↓20.86%

↑381.63%

Direct

testamericaonline.com

775.38K

2.51%19.46K

97.49%755.92K

↑255.17%

↑1,308.91%

Direct

genome.gov

771.71K

91.83%708.63K

8.17%63.08K

↑54.53%

↑20.51%

Search

agilent.com

732.65K

52.6%385.39K

47.4%347.26K

↑5.11%

↑16.49%

Direct

benchling.com

722.19K

98.2%709.21K

1.8%12.98K

↑25.53%

↑13.98%

Direct

flica.net

702.64K

34%238.91K

66%463.73K

↓38.27%

↑2.01%

Direct

vabysmo.com

672.06K

0.69%4.65K

99.31%667.41K

↑40.98%

↑372.64%

Direct

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Key Insights on Top Biotech Websites in the United States on September 2026

As of September 2026, day1labs.org leads Biotech in the United States with 4.27M monthly visits. Its audience skews mobile-first (0.96% desktop / 0.96% mobile), and traffic is up month over month 7.93% and up year over year 996.85%. thermofisher.com holds second with 2.09M visits and a desktop-leaning mix (69.63% desktop / 30.37% mobile), while 23andme.com ranks third with 2.08M visits.

Across the leaders, pgrn.org is the most mobile-first (99.85% of visits), whereas quartzy.com is the most desktop-reliant (100%). Momentum favors orserduhcp.com in the latest month (741.1%), while smokinandgrillinwitab.com shows the steepest pullback.

Acquisition patterns also differ: day1labs.org is driven primarily by search, day1labs.org by direct, and day1labs.org by referral; overall, 70 of the top 100 sites are direct-led, 28 are search-led, and 2 lean on social.

These insights come from the Traffic & Market Toolkit, enriched with extensive clickstream data.

Our AI algorithms analyze petabytes of information from a blend of proprietary and external data pools, reflecting the online activities of over 200 million anonymized users.

For more detailed information on our data-gathering and analysis process, please visit our information page here.

Top Biotech Websites in the United States