Top Science Websites in Bulgaria

Key Insights on Top Science Websites in Bulgaria on December 2025

As of December 2025, psl.eu leads Science in Bulgaria with 156.62K monthly visits. Its audience skews mobile-first (0.9% desktop / 0.9% mobile), and traffic is up month over month 225.71% and up year over year 298.13%. phys.org holds second with 143.06K visits and a mobile-leaning mix (0.96% desktop / 99.04% mobile), while sciencedirect.com ranks third with 100.85K visits.

Across the leaders, sidc.be is the most mobile-first (100% of visits), whereas ncf.bg is the most desktop-reliant (100%). Momentum favors vixra.org in the latest month (14,257.14%), while telescopius.com shows the steepest pullback. On a yearly view, wellcomegenomecampus.org posts the strongest expansion (297,500%), contrasted with understandingwar.org (-83.36%).

Acquisition patterns also differ: psl.eu is driven primarily by search, psl.eu by direct, and psl.eu by referral; overall, 50 of the top 100 sites are direct-led, 34 are search-led, and 13 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.