: The most critical factor; even one 30-day late payment can cause a significant drop.

Lenders choose between different models, though 90% of top lenders use FICO® Scores. Standard ranges for these scores include: What Is a Good Credit Score? - Experian

: Includes total debt and credit utilization (percentage of available credit used).

: The variety of accounts, such as credit cards, mortgages, and auto loans.