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seo-backlinks

Analyze backlink profiles, anchor text distribution, and toxic links using Moz, Bing, and Common Crawl APIs.

4|Updated Aug 22, 2025
Search Tags:#backlinks#competitor analysis#seo#anchor text#link building#toxic links#moz api
One-click install
npx skills add https://github.com/justin06lee/justin06lee.dev --skill seo-backlinks-justin06lee
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-backlinks
Source: https://github.com/justin06lee/justin06lee.dev/tree/main/.gemini/skills/valhalla/skills/seo-backlinks
Command: npx skills add https://github.com/justin06lee/justin06lee.dev --skill seo-backlinks-justin06lee

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Auditing a website's backlink profile manually is slow and fragmented across multiple data sources. This Skill consolidates referring domain analysis, anchor text distribution, toxic link detection, and competitor gap analysis into a single structured report with confidence-weighted scoring. ## Core Features & Use Cases - Backlink Profile Analysis: Aggregates referring domains, follow ratios, and domain authority from DataForSEO, Moz, Bing Webmaster, and Common Crawl with a fallback cascade. - Toxic Link Detection: Flags PBN links, over-optimized anchor text, link farms, and paid link patterns, with disavow recommendations. - Competitor Gap Analysis: Identifies domains linking to competitors but not to your site as link building opportunities. - Use Case: Run a full backlink audit on your domain before a link building campaign to find toxic links to disavow and the top 20 competitor referring domains worth outreach. ## Quick Start Ask the AI to run a backlink profile analysis on your domain, for example by saying: analyze the backlink profile of https://example.com including anchor text distribution and toxic links.

Frequently Asked Questions about seo-backlinks

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I analyze a website's backlink profile for free?▼

Backlink profile analysis works with free sources: Common Crawl provides domain-level PageRank data with no signup, while Moz API and Bing Webmaster Tools offer free tiers for domain authority and link details. Run the setup command to configure the free API keys.

How to detect toxic backlinks and create a disavow list?▼

Toxic link detection flags high-risk patterns like PBN links, 100% exact-match anchors from one domain, link farms, and mass directory submissions. The analysis loads a reference of 30 toxic patterns and outputs disavow recommendations prioritized by severity.

What is a good anchor text distribution for SEO?▼

A healthy profile has 30-50% branded anchors, 15-25% naked URLs, 10-20% generic text, and under 10% exact-match keywords. Exact-match anchors exceeding 15% are flagged as a potential over-optimization or link-spam signal.

Can I track new and lost backlinks without DataForSEO?▼

No, link velocity tracking over 30/60/90 days requires the DataForSEO extension. Free sources like Moz, Bing, and Common Crawl only provide point-in-time snapshots, though the verification crawler can check whether known backlinks still exist.

Why does the backlink health score show INSUFFICIENT DATA?▼

A numeric 0-100 score requires at least 4 of 7 scoring factors to have available data sources. With fewer sources, the report shows individual factor scores with confidence labels instead, since a numeric score would be misleading.

How do I find competitor backlink gap opportunities?▼

Competitor gap analysis compares referring domains between your site and a competitor using DataForSEO, Moz, or Common Crawl. It outputs domains linking to the competitor but not to you, ranked as the top 20 link building opportunities.

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