WASP.inspector is a Google Chrome extension that helps managers, marketers, and implementation specialists audit, validate, and debug data sent from websites via tags and beacons. It features a sophisticated algorithm that detects various types of tags, eye-catching visualizations of tag relationships, and friendly identifiers for Google Analytics, Universal Analytics, and Adobe Site Catalyst. It also provides SEO information about the inspected page and offers a Google Tag Manager data layer view. WASP.inspector is a useful tool for ensuring the quality of web analytics.