28 of 28 tools
  • Akamai real user monitoring that measures page and app performance from real visitors and links it to business metrics such as conversions and bounce rate.

    Paid Real user monitoring
  • Full-stack observability SaaS with APM, real user monitoring, logs, infrastructure and synthetic monitoring, priced without per-user fees.

    Paid APMReal user monitoringLogsInfrastructure
  • Real user and synthetic monitoring for e-commerce sites that ties page speed, errors and third-party tags to lost revenue and conversions.

    Paid Real user monitoringSynthetic checks
  • Open source JavaScript library, maintained by Akamai, that measures page load and user-perceived performance in real browsers and beacons the timings to a server you choose.

    Free Open source (BSD-3-Clause) Self-hosted Real user monitoring

    Source code

  • Web performance monitoring with real user monitoring, scheduled synthetic page speed tests and Chrome UX Report data, plus budgets and alerts.

    Paid Real user monitoringSynthetic checks
  • Enterprise internet performance monitoring: synthetic tests run from backbone, cloud and ISP nodes worldwide, alongside real user and BGP monitoring.

    Paid Synthetic checksUptime checksReal user monitoring
  • Privacy-first, cookie-free site analytics from Cloudflare that also reports real-user Core Web Vitals per page; works on sites not proxied by Cloudflare too.

    Free Real user monitoring
  • Digital experience analytics platform with session replay, heatmaps, journey analysis and error and speed analysis; Hotjar is now part of it.

    Free plan Session replayReal user monitoring
  • Real user monitoring for Core Web Vitals with element-level attribution, CrUX cross-checks, alerts and an MCP server so coding agents can read the data.

    Paid Real user monitoring
  • Website performance monitoring that combines real user Core Web Vitals data, scheduled Lighthouse lab tests and Google CrUX data, with alerts on regressions.

    Paid Real user monitoringSynthetic checks
  • Mobile and web app monitoring built on OpenTelemetry: crashes, ANRs, network calls and full user session timelines for iOS, Android, React Native and Unity.

    Free plan Free: 1M sessions/year, 5 users ErrorsReal user monitoringMobile appOpenTelemetry
  • Digital experience analytics built on session replay: records web and mobile sessions, flags frustration signals and errors, and lets you search and segment users by behaviour.

    Free plan Free: 30,000 sessions/mo, 12-month retention Session replayReal user monitoring
  • Enterprise session replay and digital experience analytics for web and mobile apps, with struggle detection and data retention aimed at regulated industries.

    Paid Session replayReal user monitoring
  • Open source web SDK for frontend observability: captures page performance, Web Vitals, errors, logs and traces from browsers and sends them to Grafana Cloud or a self-run Alloy and Loki stack.

    Free plan Open source (Apache-2.0) Self-hosted Real user monitoringErrorsOpenTelemetry

    Source code

  • Session replay for web and mobile apps, with error monitoring and product analytics attached, so an error comes with a recording of what the user did.

    Paid ErrorsReal user monitoring
  • Mobile app observability, formerly Instabug (renamed 2025): crash reporting, app performance, in-app bug reports and user feedback for iOS and Android.

    Paid ErrorsMobile appReal user monitoring
  • Free session recordings and heatmaps from Microsoft, with rage-click and dead-click detection and JavaScript error markers on recordings. No traffic caps.

    Free Session replayReal user monitoring
  • Open source session replay with developer tools attached: console logs, network requests and performance data alongside each recording, plus co-browsing. Self-host free or use a managed instance.

    Free plan Open source (AGPL-3.0) Self-hosted Session replayReal user monitoringErrors

    Source code

  • Open source product suite with session replay, product analytics, feature flags, error tracking and LLM analytics sharing one event store. Hosted with a monthly free allowance, or self-hosted.

    Free plan Free: 5K session recordings and 1M events per month Open source (MIT) Self-hosted Session replayReal user monitoringErrors

    Source code

  • Enterprise digital analytics with session replay, friction and error detection, and performance data for web and mobile, used by large retail, travel and banking sites.

    Paid Session replayReal user monitoring
  • Crash reporting, real user monitoring and APM with usage-based pricing on errors, sessions and traces. Covers .NET, JavaScript and mobile platforms.

    Paid ErrorsReal user monitoringAPM
  • Real user monitoring focused on Core Web Vitals and page speed for websites, with lab tests, SEO tracking and email alerts when performance slips.

    Free plan Free: 1 user, Core Web Vitals monitoring, email alerts Real user monitoring
  • Open source library that records DOM changes in the browser and replays them as a session video; the recording engine inside many session replay products.

    Free Open source (MIT) Self-hosted Session replay

    Source code

  • Real user monitoring for Core Web Vitals: breaks down LCP, INP and CLS by page template, device and third-party script, with regression alerts and CrUX competitor comparisons.

    Paid Real user monitoring
  • Hosted infrastructure monitoring, log management, synthetic checks and real user monitoring, with a plan chosen per app.

    Free plan LogsInfrastructureSynthetic checksReal user monitoring
  • Captures exceptions and crashes from web, mobile and backend SDKs, groups them into issues with stack traces and releases, and alerts owners. Adds tracing, replays and logs.

    Free plan Free: Developer: 5K errors/month, 1 user Source available (FSL-1.1-ALv2) Self-hosted ErrorsAPMTracesReal user monitoringNotifications

    Source code

  • Session recording, heatmaps and funnels for web and mobile apps, owned by Cisco. Being wound down, with its features moving into Splunk Observability Cloud.

    End of sale Free plan Session replayReal user monitoring

    End of sale 2026-05-31; no renewals after 2026-08-31; platform decommissioned 2027-09-30 (Smartlook site).

  • Web performance monitoring that pairs real user monitoring with scheduled synthetic tests, tracking Core Web Vitals and page speed against budgets and competitors.

    Paid Real user monitoringSynthetic checks