Top Science Websites in Bulgaria

Name: Top websites in Bulgaria (Science)
Creator: Semrush
License: https://sem2.heaventechit.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 Science Websites in Bulgaria, Updated March 2026

March 2026

Domain

Visits

Desktop share

Mobile share

MoM

YoY

Main Traffic Source

phys.org

171.81K

0.35%599

99.65%171.22K

↑18.66%

↑29.05%

Direct

psl.eu

83.75K

0.58%482

99.42%83.27K

↓39.85%

↑1,199.4%

Direct

emsc.eu

67.12K

21.99%14.76K

78.01%52.36K

↑315.05%

↓23.34%

Search

sciencedirect.com

59.48K

89.74%53.38K

10.26%6.1K

↓28.9%

↓30.31%

Search

understandingwar.org

56.08K

4.21%2.36K

95.79%53.72K

↑640.71%

↓74.58%

Search

tue.nl

55.27K

8.26%4.57K

91.74%50.7K

↑66.12%

↑179.82%

Direct

mdpi.com

43.62K

93.66%40.85K

6.34%2.77K

↑4.79%

↑48.84%

Direct

space.com

35.32K

10.42%3.68K

89.58%31.64K

↑488.73%

↓88.23%

Search

elsevier.com

35K

100%35K

-

↑21.23%

↑20.8%

Referral

arxiv.org

32.78K

81.04%26.56K

18.96%6.21K

↑34.66%

↑75.19%

Search

overleaf.com

32.43K

53.4%17.32K

46.6%15.11K

↓33.7%

↑160.71%

Direct

wiley.com

27.98K

61.61%17.24K

38.39%10.74K

↓11.36%

↓16.99%

Direct

u-paris.fr

26.52K

0.75%199

99.25%26.32K

↑111.93%

↑919.98%

Referral

telescopius.com

26.04K

0.31%82

99.69%25.96K

↑151.48%

↑328.29%

Direct

jku.at

22.23K

10.2%2.27K

89.8%19.96K

↑548.11%

↑80.52%

Search

scopus.com

21.24K

91.77%19.49K

8.23%1.75K

↑37.04%

↑41.13%

Referral

uni-potsdam.de

20.61K

11.53%2.38K

88.47%18.23K

↓28.17%

↑230.58%

Direct

tudelft.nl

16.97K

100%16.97K

-

↑42.55%

↑7.68%

Direct

semanticscholar.org

12.6K

55.64%7.01K

44.36%5.59K

↑76.79%

↓27.61%

Search

orcid.org

11.28K

84.51%9.54K

15.49%1.75K

↓46.71%

↑95.86%

Referral

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Key Insights on Top Science Websites in Bulgaria on March 2026

As of March 2026, phys.org leads Science in Bulgaria with 171.81K monthly visits. Its audience skews mobile-first (0.35% desktop / 0.35% mobile), and traffic is up month over month 18.66% and up year over year 29.05%. psl.eu holds second with 83.75K visits and a mobile-leaning mix (0.58% desktop / 99.42% mobile), while emsc.eu ranks third with 67.12K visits.

Across the leaders, universeguide.com is the most mobile-first (100% of visits), whereas elsevier.com is the most desktop-reliant (100%). Momentum favors resurchify.com in the latest month (10,405%), while emsc-csem.org shows the steepest pullback.

Acquisition patterns also differ: phys.org is driven primarily by search, phys.org by direct, and phys.org by referral; overall, 62 of the top 100 sites are direct-led, 25 are search-led, and 11 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 Science Websites in Bulgaria