Top Science Websites in Portugal

Name: Top websites in Portugal (Science)
Creator: Semrush
License: /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 Portugal, Updated July 2026

July 2026

Domain

Visits

Desktop share

Mobile share

MoM

YoY

Main Traffic Source

ulisboa.pt

1.65M

57.46%947.77K

42.54%701.64K

↓36.87%

↑59.83%

Direct

fct.pt

290.81K

20.8%60.5K

79.2%230.32K

↑322.55%

↑16.26%

Direct

orcid.org

267.26K

25.71%68.72K

74.29%198.54K

↑231.2%

↑33.57%

Direct

sciencedirect.com

261.93K

77%201.7K

23%60.24K

↑21.45%

↓19.66%

Search

space.com

177.45K

6.36%11.28K

93.64%166.17K

↑95.24%

↓71.99%

Direct

elsevier.com

169.37K

89.04%150.81K

10.96%18.57K

↑2.82%

↓6.66%

Direct

phys.org

149.08K

1.24%1.85K

98.76%147.23K

↓17.98%

↓40.24%

Direct

overleaf.com

146.87K

97.69%143.48K

2.31%3.39K

↓22.03%

↑3.15%

Direct

wiley.com

106.73K

87.21%93.08K

12.79%13.65K

↓2.3%

↓5.21%

Direct

mdpi.com

94.96K

82.93%78.75K

17.07%16.21K

↓12.58%

↓4.59%

Direct

arxiv.org

84.73K

72.61%61.53K

27.39%23.21K

↑53.17%

↑53.48%

Direct

doi.org

50.73K

60.46%30.68K

39.54%20.06K

↑3.34%

↑24.87%

Direct

scopus.com

42.47K

100%42.47K

-

↑12.69%

↓12.05%

Referral

usp.br

41.49K

74.12%30.75K

25.88%10.74K

↑10.02%

↓46.54%

Search

esa.int

33.14K

23.2%7.69K

76.8%25.46K

↑198.7%

↑53.88%

Direct

pnas.org

32.1K

100%32.1K

-

↑67.73%

↑29.47%

Search

metoffice.gov.uk

23.24K

35.04%8.14K

64.96%15.09K

↑131.43%

↓19.75%

Direct

semanticscholar.org

20.43K

95.2%19.45K

4.8%980

↓8.72%

↑3.79%

Search

ovid.com

18.58K

51.33%9.54K

48.67%9.05K

↑531.25%

↑126.28%

Direct

acm.org

17.32K

100%17.32K

-

↑55.2%

↓1.61%

Direct

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Key Insights on Top Science Websites in Portugal on July 2026

As of July 2026, ulisboa.pt leads Science in Portugal with 1.65M monthly visits. Its audience skews desktop-first (57.46% desktop / 57.46% mobile), and traffic is down month over month -36.87% and up year over year 59.83%. fct.pt holds second with 290.81K visits and a mobile-leaning mix (20.8% desktop / 79.2% mobile), while orcid.org ranks third with 267.26K visits.

Across the leaders, oyunlarim.com.tr is the most mobile-first (100% of visits), whereas scopus.com is the most desktop-reliant (100%). Momentum favors skyandtelescope.org in the latest month (8,672%), while fchampalimaud.org shows the steepest pullback.

Acquisition patterns also differ: ulisboa.pt is driven primarily by search, ulisboa.pt by direct, and ulisboa.pt by referral; overall, 75 of the top 100 sites are direct-led, 21 are search-led, and 4 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 Portugal