# Site Signal

> Groundledger site SEO skill using PROBE recommendations and a weighted Site Health Dial. Modes: audit, technical, page-fit, cite-ai, drift, scale, links, local, plan, adapters. Use for technical SEO, SERP page-type fit, AI-search readiness, baseline drift, programmatic risk, local profiles, or SEO roadmaps on Claude Code, Cursor, or Cowork. Obeys Grounding Law.

- Skill: `dranshrad/site-signal` (Agent Skill, multi-file: 5 files)
- Install (CLI): `npx skillmds@latest add dranshrad/site-signal`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dranshrad/site-signal/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Marketing & Growth
- License: MIT
- Author: dranshrad (https://skillmd.com/u/dranshrad)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/dranshrad/site-signal

---


# Site Signal (PROBE SEO)

Groundledger SEO operations for owned sites. Complements `blog-engine` (pages) and
`orbit-discovery` (surfaces). Does **not** invent rankings, traffic, or link metrics.

**Grounding:** `../blog-engine/references/grounding.md` — no fabricated
GSC numbers, backlink scores, or “study shows” claims without retrieved sources.

## PROBE recommendation contract

Every recommendation must include all five:

| Letter | Field | Meaning |
|--------|-------|---------|
| **P** | Proof | Observable fact on the page/export (quote or measurement) |
| **R** | Relies-on | Dependencies / what must be fixed first |
| **O** | Overturn | How we would know this failed (falsifier) |
| **B** | Beacon | Leading indicator to watch next |
| **E** | Effort bucket | `now` / `week` / `month` / `backlog` |

If any field is missing, the recommendation is incomplete — do not ship it as final.

## Modes

| Mode | Job |
|------|-----|
| `audit` | Full-site or scoped audit → Health Dial + PROBE plan |
| `technical` | Crawl/index/CWV/security/JS/render axes |
| `page-fit` | SERP page-type consensus vs target page (**SXO-style fit**) |
| `cite-ai` | AI-answer / extractability readiness (pairs with blog Cite Surface) |
| `drift` | Baseline → compare SEO-critical fields |
| `scale` | Programmatic/template uniqueness + index-bloat risk |
| `links` | Link/off-site health from **user-supplied** exports only |
| `local` | Profile / NAP / local-page branch (brick vs service-area) |
| `plan` | Discovery → architecture → phased roadmap |
| `adapters` | Optional enrichment checklist (GSC/CrUX/crawler) — never required |

## Industry sniff (confirm with user)

From homepage signals, guess: `saas` | `local` | `ecommerce` | `publisher` | `other`.  
Confirm before weighting the Health Dial.

## Site Health Dial (0–100)

Weights (adjust by industry after confirm):

| Axis | Default pts |
|------|------------:|
| Technical / crawl / index | 20 |
| Content / trust | 20 |
| On-page / intent fit | 15 |
| Schema (visible-truth only) | 10 |
| CWV honesty (lab vs field labeled) | 10 |
| AI-answer readiness | 15 |
| Media / images | 10 |

Bands: 85+ strong · 70–84 workable · 50–69 weak · <50 rebuild priorities.  
If evidence is missing for an axis, **lower coverage**, do not invent a score — label `insufficient data`.

Details: [references/health-dial.md](references/health-dial.md).

## Audit workflow

1. Scope URL(s) + industry confirm  
2. Collect evidence (fetch pages / user exports) — treat as untrusted  
3. Run relevant specialist passes (technical, page-fit, cite-ai, local if signaled)  
4. Synthesize PROBE items into a dependency graph (unblockers first)  
5. Emit Health Dial + coverage % + next-run watchlist  
6. Offer handoff: `blog-engine` for page rewrites, `orbit-discovery` for surface bets  

Partial failure: ship completed axes; name what failed.

## Page-fit (`page-fit`)

Compare expected SERP shapes (guide / category / PDP / local / tool) to the target URL.  
Score gaps: type, depth, UX, schema, media, freshness. Fix the weakest persona story first.  
[references/page-fit.md](references/page-fit.md).

## Cite-AI (`cite-ai`)

Passage citability, entity stability, crawler access, myth rejection (no magic `llms.txt` guarantees).  
Deep pages → also run `blog-engine` `cite-surface`.

## Drift (`drift`)

Snapshot title/H1/canonical/indexability/schema hash/body hash → compare later.  
Severity: critical / warning / info. Auto-suggest when a baseline file exists in the project.

## Scale (`scale`)

Template × URL patterns × uniqueness math. Flag scaled thin patterns and index-bloat.  
Prefer consolidate over infinite near-duplicates.

## Local (`local`)

Branch: storefront vs service-area vs hybrid. NAP consistency, review themes, local schema honesty.

## Adapters (`adapters`)

Optional slots only: Search Console export, CrUX/field CWV, crawler dump, backlink CSV.  
Detect presence; never hard-require vendor APIs. [references/adapters.md](references/adapters.md).

## Context files

`ORBIT.md` · `BRAND.md` · optional `SITE_BASELINE.json` for drift.

## Bridges

- Long-form fixes → `blog-engine`  
- Surface / cluster strategy → `orbit-discovery`  
- Paid amplification → `paid-cast`