What the number means, how it is weighted, and which findings to fix first.
The score is a summary, not a verdict. It exists so you can see progress between scans, and so a shop owner who does not read DNS records still knows whether things are getting better.
Work top down through the failing checks. They are already ordered by impact, and each one names the exact record to add. A shop going from no SPF to a correct SPF record usually sees the largest single improvement, because it moves from unverifiable to verifiable.
If anything here was wrong, unclear or out of date, tell us — the article gets fixed the same day.
