Cross-Engine Breadth

Cross-engine breadth is how consistently a brand or entity is named across all five major AI engines (ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews), and it is the second dimension of the EPR GEO Scorecard, at 20% of the composite. Building it, sometimes called cross-engine citation, means optimizing content to be cited in several systems instead of just one, because the engines train on different data, weight sources differently and use different retrieval algorithms.

Where it's used

EPR GEO Scorecard Hub
EPR GEO Scorecard Vol. 1: Beauty
EPR GEO Scorecard Vol. 2: Hotels

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