What lead scoring is
Lead scoring is a method for ranking your leads so the sales team knows who to call first. Each lead earns or loses points based on who they are and what they do, and the total score signals how sales-ready they are.
The point of it is focus. When leads come in faster than a team can work them, scoring sorts the pipeline so effort goes to the prospects most likely to close, instead of treating every form fill as equal.
Fit signals versus behavior signals
Scoring usually blends two kinds of input. Fit signals describe who the lead is: company size, industry, job title, location, and budget. A decision-maker at an ideal-profile company scores high on fit before they do anything.
Behavior signals describe what the lead does: visiting a pricing page, opening several emails, downloading a guide, or booking a demo. A lead who matches your profile and is actively researching scores highest. One who fits but has gone quiet, or who is engaged but a poor fit, scores lower and is handled differently.
Why lead scoring matters
Without scoring, sales reps either chase every lead, which wastes time on poor fits, or cherry-pick by gut, which lets good leads slip. Scoring replaces guesswork with a shared, consistent standard, so the best opportunities get fast attention and weaker ones get nurtured by automation until they are ready.
It also tightens the relationship between marketing and sales. When both teams agree on what a high score means, marketing stops handing over leads sales considers junk, and sales stops ignoring leads marketing worked to generate.
How to build a simple model
Start by looking at your closed-won customers and noting the traits and actions they shared before buying. Assign points to those fit attributes and behaviors, and subtract points for negative signals like an unsubscribe or a personal email domain on a B2B offer. Set a threshold that flags a lead as sales-ready, then review the model against real outcomes every quarter and adjust the weights. A rough model that you refine beats a perfect one you never ship.