Sources

Every source cited on RankGear.wiki, grouped by publisher. 86 sources are cited across the wiki; each entry lists the pages that cite it. Sources were retrieved and checked in November 2026.

Apple App Store

• RankGear on the Mac App Store. Cited in: Main page, History, Clint Butler, How it works, Pricing and requirements, Release history, Compared.

Digitaleer

• Digitaleer SEO & Web Design. Cited in: Digitaleer.
• SEO Expert: Clint Butler. Cited in: Digitaleer, Clint Butler.

Google Business Profile Help

• Tips to improve your local ranking on Google. Cited in: Local SEO grid.

Google Maps

• Digitaleer SEO & Web Design on Google Maps. Cited in: Digitaleer.

Google Search Central

• A guide to Google Search ranking systems. Cited in: Correlation vs causation.
• Google Search's core updates. Cited in: SEO testing.

Internet Archive Wayback Machine

• RankGear home page, July 13, 2026 (archived). Cited in: History, Release history.
• RankGear home page, March 6, 2023 (archived). Cited in: Main page, History.

Knowledge Bomb podcast (Buzzsprout), September 22, 2023

• Clint Butler: Starting Your Own SEO Agency. Cited in: History, Clint Butler, SEO testing.

Microsoft Store

• RankGear on the Microsoft Store. Cited in: Main page, History, Pricing and requirements, Release history, Compared.

PageOptimizer Pro

• PageOptimizer Pro. Cited in: Compared.
• PageOptimizer Pro pricing. Cited in: Compared.

RankGear (rankgear.com)

• About RankGear. Cited in: Main page, History, Digitaleer, Clint Butler, Release history, Compared.
• Action Planner. Cited in: Reports.
• Analysis Run: measure the ranking field for a keyword. Cited in: Analysis Run, BM25, Deficit strategies.
• Bulk Runs. Cited in: Reports.
• Compare RankGear vs cloud rank trackers and all-in-one SEO suites. Cited in: Main page, Compared.
• Content Intelligence. Cited in: Content Intelligence.
• Correlation vs causation in SEO. Cited in: Correlation vs causation, Spearman and Pearson.
• Diff. Cited in: Diff, Trends, Volatility.
• Download RankGear for Mac and Windows. Cited in: Main page, How it works, Pricing and requirements, Release history, Compared.
• Experiments. Cited in: Experiments, SEO testing.
• Factor catalog by family. Cited in: Factor catalog.
• How RankGear Works: A Full Product Tour. Cited in: How it works, Content Intelligence, Diff, Trends, Volatility, Experiments.
• How we run a controlled SEO experiment. Cited in: Experiments, SEO testing.
• Local SEO. Cited in: Local SEO grid.
• Media room: RankGear brand assets, boilerplate and facts. Cited in: Main page, History, Digitaleer, Clint Butler, Factor catalog, Pricing and requirements, Compared, Correlation vs causation.
• Methodology: What RankGear measures. Cited in: How it works, Analysis Run, Factor catalog, Correlation vs causation, Deficit strategies.
• On-Page Audit. Cited in: On-Page Audit.
• RankGear Features. Cited in: Main page, Analysis Run, On-Page Audit, Content Intelligence, Diff, Trends, Volatility.
• RankGear privacy policy. Cited in: Pricing and requirements, Release history.
• RankGear reports and workbooks. Cited in: Reports.
• RankGear use cases. Cited in: On-Page Audit, Reports.
• RankGear: Evidence-Led SEO Software for Mac & Windows. Cited in: Main page, History, How it works, Analysis Run, Factor catalog, Compared.
• Trends. Cited in: Diff, Trends, Volatility.
• Volatility. Cited in: Diff, Trends, Volatility, Experiments, SEO testing.
• What RankGear measures. Cited in: Factor catalog.

RankGear knowledge base

• 1.5 standard deviations strategy. Cited in: Deficit strategies.
• Average strategy. Cited in: Deficit strategies.
• Best-of-both correlation. Cited in: Spearman and Pearson.
• BM25. Cited in: Content Intelligence, BM25.
• BM25 Drafts. Cited in: Content Intelligence, BM25.
• BM25F. Cited in: BM25.
• Competitor field. Cited in: How it works, Analysis Run.
• Correlation is not causation. Cited in: Correlation vs causation.
• Deficit. Cited in: Deficit strategies.
• Deficit strategy. Cited in: Deficit strategies.
• Experiments. Cited in: Experiments.
• Extreme outlier guard. Cited in: Deficit strategies.
• Factor family. Cited in: Factor catalog.
• Factor ID. Cited in: Diff, Trends, Volatility, Factor catalog.
• Grid point. Cited in: Local SEO grid.
• Inverse document frequency. Cited in: BM25.
• Local grid. Cited in: Local SEO grid.
• Maximum strategy. Cited in: Deficit strategies.
• One standard deviation strategy. Cited in: Deficit strategies.
• Optimization score. Cited in: Analysis Run, Deficit strategies.
• Pearson correlation. Cited in: Spearman and Pearson.
• Requirements & supported providers. Cited in: Local SEO grid, Pricing and requirements.
• Sample size. Cited in: Spearman and Pearson.
• Significance threshold. Cited in: Spearman and Pearson.
• Significant deficit. Cited in: Analysis Run, Deficit strategies.
• Spearman correlation. Cited in: Spearman and Pearson.
• Two standard deviations strategy. Cited in: Deficit strategies.
• Volatility. Cited in: Diff, Trends, Volatility.
• Volatility sample. Cited in: Diff, Trends, Volatility.
• Zone Architecture. Cited in: On-Page Audit.
• Zone theory. Cited in: On-Page Audit.

Robertson & Zaragoza, Foundations and Trends in Information Retrieval (2009)

• The Probabilistic Relevance Framework: BM25 and Beyond. Cited in: BM25.

Rocks Digital

• Clint Butler Presents on Machine Learning and AI for SEO. Cited in: Clint Butler.

SEO Intelligence Agency

• Clint Butler. Cited in: Clint Butler.

SEO Tool Lab

• Cora documentation: troubleshooting tips. Cited in: Compared.
• Cora Lite SEO Software. Cited in: Compared.
• Cora SEO Software. Cited in: Compared.

Surfer

• Surfer Content Editor. Cited in: Compared.
• Surfer pricing and plans. Cited in: Compared.

Verisign

• RDAP record for rankgear.com. Cited in: History.

Wikipedia

• A/B testing. Cited in: Experiments, SEO testing.
• Correlation does not imply causation. Cited in: Correlation vs causation.
• Okapi BM25. Cited in: BM25.
• Pearson correlation coefficient. Cited in: Spearman and Pearson.
• Search engine optimization. Cited in: SEO testing.
• Spearman's rank correlation coefficient. Cited in: Spearman and Pearson.
• Standard deviation. Cited in: Deficit strategies.
• tf–idf. Cited in: BM25.