Editorial links, earned not bought.

1// Anchor-text distribution audit. Healthy profiles skew branded.
2// Exact-match over 8% on commercial pages triggers a review flag.
3export type AnchorBucket =
4  | "branded"
5  | "naked-url"
6  | "generic"
7  | "partial-match"
8  | "exact-match";
9 
10export interface AnchorAudit {
11  target: string;
12  totals: Record<AnchorBucket, number>;
13  share: Record<AnchorBucket, number>;
14  flag: boolean;
15}
16 
17export function score(a: AnchorAudit): AnchorAudit {
18  const sum = Object.values(a.totals).reduce((n, v) => n + v, 0);
19  const share = Object.fromEntries(
20    Object.entries(a.totals).map(([k, v]) => [k, v / sum]),
21  ) as Record<AnchorBucket, number>;
22  const flag = share["exact-match"] > 0.08;
23  return { ...a, share, flag };
24}