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Matt Diggity SEO — Affiliate and Authority Site Methodology

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Applies Matt Diggity's affiliate and authority site SEO: churn and burn vs. authority site distinction, topical authority threshold, E-E-A-T for money sites, link velocity management, and SERP-based content length calibration.

seoaffiliate-seolink-buildingcontent-optimizationauthority-sites
Agent trigger phrases: Matt Diggity · Diggity SEO · affiliate site SEO · authority site building · churn and burn SEO · link velocity SEO · money site SEO · Diggity method

Matt Diggity's Core Distinctions

Churn and Burn vs. Authority Site

Churn and Burn: Aggressive tactics, short time horizon, high link velocity, keyword-stuffed content. Sites are disposable. Strategy optimizes for fast ROI before Google catches up.

Authority Site: Long time horizon, sustainable tactics, topical authority built over months, E-E-A-T signals prioritized. Sites are assets with increasing value over time.

Diggity's framework applies to both but with different tool and risk tolerances. Agency clients should default to authority site approach. Private experiments may use churn and burn in isolated environments.

Topical Authority Threshold

Diggity's research identifies a topical authority threshold below which a site cannot rank for competitive terms regardless of links: the site must publish enough content on a topic that Google classifies it as a topical authority, not just a single-topic page.

Practical threshold (from Diggity testing):

  • Minimum 5-10 articles covering a topic to establish basic authority
  • 20-40 articles for competitive topics
  • 60+ articles for markets dominated by established authority sites

Before targeting a competitive keyword, ensure the content foundation for topical authority exists.

SERP-Based Content Length Calibration

Diggity's approach to content length: match the top-ranking result exactly, then add 10-20%.

Process:

  1. Scrape word count of top 10 ranking pages for the target keyword
  2. Calculate the average of the top 3
  3. Target: top 3 average + 15%

Why this works: Google has already determined that the word count range of the top results satisfies the search intent. Significantly longer content creates no additional signal value and reduces user experience. Significantly shorter fails to meet the quality expectation Google has implicitly set.

This is the definitive rule for content length. No arbitrary floors ("write 2,000 words"). No arbitrary ceilings. SERP data only.

E-E-A-T for Money Sites

Money sites (affiliate, lead gen, local service) require different E-E-A-T treatment than pure information sites:

Required for money sites:

  • About page with real human identity (not "our team of experts")
  • Author bylines with real names and credentials on all content
  • Editorial policy or "how we review" page
  • Contact page with working address (or P.O. Box)
  • Privacy policy and terms of service

Money site red flags that reduce E-E-A-T:

  • Anonymous authors
  • Review content with no author identity
  • Pricing data with no last-updated date
  • Contact page with only a form (no address, no phone)

Link Velocity Management

Diggity's link velocity rules for authority sites:

| Site Age | Recommended Monthly Link Velocity | |----------|----------------------------------| | 0-3 months | 2-5 links/month (only high-quality) | | 3-6 months | 5-15 links/month | | 6-12 months | 15-30 links/month | | 12+ months | 30-60 links/month (matching competitor velocity) |

Spike above natural velocity = footprint risk. Stay at or below the velocity of the strongest competitor in your niche.

Anchor Text Distribution (Diggity Formula)

For a standard authority site, target:

  • Branded anchors: 50-60% of all links
  • Partial match anchors: 20-25%
  • Exact match anchors: 5-10% (cap here — above is risk zone)
  • Generic anchors ("click here", "website"): 10-15%
  • Naked URLs: 5-10%

Check current anchor distribution via dataforseo-backlinks before any link campaign.

Content Refresh Protocol

Diggity's data shows content refreshes outperform new content for ROI in months 6-18 of a site:

  1. Identify pages with declining traffic (GSC, 6-month trend)
  2. Re-check SERP for current top content word count, structure, and coverage
  3. Update content to match: new word count target, missing entities, updated data
  4. Change dateModified in schema and on-page date display
  5. Re-submit URL in GSC for re-indexing

Target: refresh pages with >20% traffic decline over 3 months.

Cross-References

  • google-update-proofing — Avalanche Theory pairs with Diggity's topical authority threshold
  • eeat-audit — E-E-A-T scoring for money sites
  • keyword-researcher — SERP-based content calibration starts with keyword research
  • article-outranker — content outranking methodology that implements SERP calibration

#seo-sop #seo #affiliate-seo #link-building #content-optimization #authority-sites

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