Inspectlet

Inspectlet is a sophisticated web analytics platform that specializes in session recording and user behavior visualization. Unlike traditional analytics that aggregate data into abstract numbers, Inspectlet records a visitor's entire journey on a website, capturing every mouse movement, click, scroll, and keypress. Technically, it operates by monitoring DOM mutations via a lightweight JavaScript snippet, allowing it to reconstruct sessions without the performance overhead of video streaming. In the 2026 market, Inspectlet differentiates itself through its integrated JavaScript Error Logging suite, which bridges the gap between marketing analytics and technical debugging. This allows development teams to see exactly what a user did leading up to a console error or crash. The platform's advanced filtering engine allows architects to segment sessions based on specific user attributes, technical stack details, or conversion outcomes. As AI-driven UI optimization becomes the standard, Inspectlet’s high-fidelity data capture serves as the primary training set for automated layout adjustments and personalization engines. It remains a critical tool for enterprises focused on minimizing 'friction' and 'rage-clicking' within complex single-page applications (SPAs).