Several online resources provide mock tests specifically designed for UPSC aspirants. Websites like Byjus, Insights IAS, and Testbook offer a plethora of mock tests that simulate actual exam conditions. These platforms typically offer detailed analysis and performance tracking to help candidates identify their strengths and weaknesses. Additionally, they often include past year question papers and subject-specific tests. Utilizing these resources not only enhances time management skills but also familiarizes candidates with the exam format, contributing to a more effective preparation strategy.