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Ranked by how many scanned sites use each. Once we see sites drop Vercel Speed Insights, where they go next ranks first.
Real user monitoring built into Vercel hosting that reports Core Web Vitals from each page load.
Growth is sites that added it minus confirmed removals in the last 90 days.
Developer-focused error and performance monitoring for diagnosing crashes and slow code in applications.
For teams on New Relic's observability platform: the real user monitoring agent that runs in visitors' browsers.
Browser-side module of Datadog's observability and security platform for spotting frontend performance problems in real sessions.
Akamai's real user measurement service, which maps visitor behaviour to business performance as it happens.
Mobile and web app error monitoring from SmartBear, also available as an on-premise install.
Microsoft's JavaScript SDK for real user monitoring, sending browser data into Azure Monitor.
Session-priced real user monitoring for web and mobile apps, part of the Dynatrace observability platform.
Web performance monitoring for real users and synthetic tests, with conversion rates in the same view.
Frontend observability SDK from Grafana Labs that ties browser telemetry to backend traces and logs.