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Are there stars in Bluesky? A comparative exploratory analysis of altmetric mentions between X and Bluesky

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  • Arroyo-Machado, Wenceslao
  • Robinson-Garcia, Nicolas
  • Torres-Salinas, Daniel

Abstract

This study examines the shift in the scientific community from X (formerly Twitter) to Bluesky, its impact on scientific communication, and consequently on social metrics (altmetrics). We analysed 14,497 publications from multidisciplinary and Library and Information Science (LIS) journals between January 2024 and March 2025. The results reveal a notable increase in Bluesky activity for multidisciplinary journals in November 2024, likely influenced by political and platform changes, with mentions multiplying for journals like Nature and Science. In LIS, the adoption of Bluesky is different and shows marked variation between European and United States journals. Although Bluesky remains a minority platform compared to X over the whole period, when focusing on user engagement after the United States elections, we see a much more even distribution between the two platforms. In two LIS journals, Bluesky even surpasses X, while in most others, the difference in user engagement was no longer as pronounced, marking a significant change from previous patterns in altmetrics.

Suggested Citation

  • Arroyo-Machado, Wenceslao & Robinson-Garcia, Nicolas & Torres-Salinas, Daniel, 2025. "Are there stars in Bluesky? A comparative exploratory analysis of altmetric mentions between X and Bluesky," Journal of Informetrics, Elsevier, vol. 19(3).
    • Handle: RePEc:eee:infome:v:19:y:2025:i:3:s1751157725000641
    DOI: 10.1016/j.joi.2025.101700
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