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seo-backlink-gap

seo-backlink-gap

github.com/serankingMarketing & growth18971 installsUpdated 18w ago
Repository

About seo-backlink-gap

seo-backlink-gap is an SEO prospecting skill for teams comparing their backlink profile with three to five competitors. It identifies relevant referring domains that link to competitors but not the target, then supplies authority data, anchor samples, and outreach angles.

Key features

  1. 01Compare referring domains across competitors
  2. 02Filter by authority and link attributes
  3. 03Enrich prospects with trust and anchor data
  4. 04Assess topical relevance and link type
  5. 05Suggest an outreach angle per prospect
  6. 06Export a ranked prospects CSV

Use cases

  1. 01Finding sites to approach for backlinks
  2. 02Building a competitor-based outreach list
  3. 03Prioritizing prospects by relevance and authority

MCP support

Requires a connected SE Ranking MCP server to retrieve referring-domain, backlink authority, and anchor data.

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/seranking/seo-skills --skill seo-backlink-gap

After installing, type/seo-backlink-gapin Claude Code to confirm it loaded.

Details

From the project README

Example output: examples/seo-backlink-gap-linear-app-20260514/REPORT.md

Backlink Gap

Produce an actionable link-prospecting list: domains linking to your top competitors but not to you, filtered by authority and relevance, enriched with anchor samples and a suggested outreach angle.

Prerequisites

  • SE Ranking MCP server connected.
  • Claude's WebFetch tool available (used for prospect scoring and topical relevance checks).
  • User provides: (a) target domain, (b) 3 to 5 competitor domains, and optionally (c) minimum Domain Trust (default: 25), (d) dofollow-only filter (default: true), (e) minimum intersection count (default: linked by at least 2 of the N competitors).

Process

  1. Baseline target backlinks DATA_getBacklinksRefDomains, DATA_getBacklinksSummary

    • Pull the target domain's existing referring domains to build an exclusion set.
    • Save count and summary metrics for the report.
  2. Per-competitor referring domains DATA_getBacklinksRefDomains

    • For each competitor, pull referring domains with dofollow_only=true and min_domain_trust={threshold}.
    • Collect as a dict keyed by referring domain with the list of competitors linking to it.
  3. Intersection

    • Retain referring domains that link to at least the minimum number of competitors.
    • Exclude any domain already in the target's backlink set.
  4. Enrichment DATA_getBacklinksAuthority, DATA_getBacklinksAnchors

    • For each candidate, pull: Domain Trust, Page Trust of the linking page, linking-to-competitor anchor samples (top 3 anchors), and country if available.
    • Classify by link type: editorial, resource list, directory, forum/UGC.
  5. Relevance scoring

    • Score each candidate on: (a) topical overlap (use domain homepage title/meta via WebFetch), (b) DT, (c) intersection count, (d) link-type preference.
    • Suggest an outreach angle per row: local fit, topical fit, competitive parity, resource-list inclusion, broken link, etc.
  6. Produce the prospect list (see Output Format).

Output format

Create a folder seo-backlink-gap-{target-slug}-{YYYYMMDD}/ with:

seo-backlink-gap-{target-slug}-{YYYYMMDD}/
├── 01-target-baseline.md
├── 02-competitor-{domain}-refs.md   # one per competitor
├── 03-intersection-raw.md
├── prospects.csv                     # machine-readable output
└── REPORT.md

REPORT.md follows this shape:

# Backlink Gap: {target} vs {competitors}

## Filters applied
- Dofollow only: yes
- Min Domain Trust: {n}
- Min intersection: links to at least {n} of {total} competitors

## Top 25 prospects

| # | Referring domain | DT | Links to | Sample anchor | Link type | Angle | Score |
|---|---|---|---|---|---|---|---|
| 1 | example.com | 68 | {3 of 5} | "best yoga studios" | Resource list | Topical fit | 92 |
| 2 | ... | ... | ... | ... | ... | ... | ... |

## Outreach brief
- Segment these prospects into 3 batches by link type and pitch each batch with a tailored template.
- For editorial links: pitch a unique-angle comparison or original research.
- For resource lists: suggest inclusion with a specific anchor.
- For directories: apply directly.
- For forums/UGC: engage before pitching; these are not cold-outreachable.

## Counts
- Total unique referring domains across competitors: {n}
- Passed filters: {n}
- Already linking to {target}: {n} (excluded)
- Final prospects: {n}

## Files
- prospects.csv: import to Hunter.io, Pitchbox, or your outreach tool
- Per-competitor raw data: 02-competitor-*.md

prospects.csv columns: rank,referring_domain,domain_trust,links_to_count,links_to_competitors,sample_anchor,link_type,outreach_angle,score

Tips

  • Data API rate limit: 10 requests per second. With 5 competitors, expect 5-10 seconds of sequential API time plus enrichment.
  • Do not include subdomains of already-linked domains in the prospect list. If news.example.com links to the target but blog.example.com links only to competitors, treat as already-linked unless the user asks otherwise.
  • The "Angle" column is the most important output for outreach. Keep it specific: "Their 'best X tools' list from 2024 is out of date and doesn't include you" beats "topical fit".
  • Exclude obvious spam/low-quality domains even if they pass DT thresholds. Use the WebFetch step to sanity-check any prospect scoring above 80.
  • If the target already outranks all competitors for branded terms, prioritise non-branded editorial placements over parity directories.

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