AI Search Research

Internal prompt testing across ChatGPT-4o identifying which source types, domains, and content formats the model cites and recommends most consistently.

Seven observable citation patterns in AI engine behavior, with public brand examples and the optimization implications for each pattern.

A structured overview of the leading AI Engine Optimization agencies in the US -- methodology, specializations, and how to evaluate them.

An analysis of how frequently large language models cite Wikipedia and Wikipedia-adjacent sources, and what this means for entity-building strategy.

Whether traditional backlink signals translate to AI citation authority -- what the evidence shows and which link signals matter most for AI visibility.

Systematic testing of whether schema markup implementation correlates with increased AI engine citation rates across ChatGPT, Claude, Gemini, and Perplexity.

A breakdown of the content, domain, and entity signals most strongly correlated with AI engine citation behavior.

Magna's annual analysis of AI citation patterns across major AI engines -- trends, platform differences, and the signals that matter most.