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PTC Search Authority Index™
Measures a firm's search visibility and brand discoverability using independently observed indicators of organic search performance across tracked markets.
Search Authority Index™
Measures how visible and discoverable a firm's brand is within organic search ecosystems.
Signal Categories
- Organic Search Visibility
- Brand Search Demand
- Search Footprint
- Search Momentum
Methodology: The Search Authority Index™ is a proprietary component of the PTC Power Index™. Scores combine multiple independently observed search signals into a single measure of organic search visibility. Relative scores are normalized to the market leader within each monthly model run. Absolute scores represent the underlying composite score. Read methodology →