Fastest and slowest use the selected period's Star change. Losing momentum compares two equal windows. Losing stars, slowing growth, and missing observations are distinct states. Ranks refer only to the monitored sample. About classification
Tags reflect the currently saved project metadata. The observation date scopes repository entry and Star history, not historical tag versions.
Repository age measures time since GitHub creation, not continuous development.
Partial sample (up to 500 commits). Commit and active-day totals are lower bounds; blank dates do not mean no commits.