Top Pharmaceuticals Websites in the United States

Key Insights on Top Pharmaceuticals Websites in the United States on December 2025

As of December 2025, biolifeplasma.com leads Pharmaceuticals in the United States with 10.46M monthly visits. Its audience skews mobile-first (3.88% desktop / 3.88% mobile), and traffic is up month over month 20.47% and up year over year 18.92%. lilly.com holds second with 8.9M visits and a mobile-leaning mix (12.91% desktop / 87.09% mobile), while express-scripts.com ranks third with 5.18M visits.

Across the leaders, aflofarm.com.pl is the most mobile-first (99.74% of visits), whereas amerisourcebergen.com is the most desktop-reliant (100%). Momentum favors aflofarm.com.pl in the latest month (25,819.89%), while medi-vet.com shows the steepest pullback. On a yearly view, dacimasoftware.com posts the strongest expansion (2,947.64%), contrasted with otezla.com (-68.97%).

Acquisition patterns also differ: biolifeplasma.com is driven primarily by search, biolifeplasma.com by direct, and biolifeplasma.com by referral; overall, 67 of the top 100 sites are direct-led, 13 are search-led, and 20 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.