Browser Observability

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Overview

GermainUX continuously monitors the performance, behavior, errors, and user experience of browser-based applications. By combining Real User Monitoring, Session Replay, heatmaps, automated friction detection, network analysis, and customizable business events, GermainUX helps teams understand what users experienced, why an issue occurred, who was affected, and its business impact.

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Business outcomes

Browser Monitoring helps organizations:

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Deployment options

The precise coverage depends on the application architecture, browser security model, selected GermainUX component, browser capabilities, and configured privacy controls.

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Real User Monitoring

GermainUX records authorized browser activity as users interact with the monitored application. Depending on the configuration, collected activity can include:

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• User-visible messages
• Popup dialogs
• Browser freezes and long tasks
• Business-process milestones
• Customer-defined events
• User feedback

The collected data remains structured, timed, and searchable for analytics and investigation.

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Session Replay

GermainUX Session Replay visually reconstructs each monitored browser session with millisecond-level event timing. Authorized users can: Session Replay is more than a video. The underlying activity remains available as structured events that can be analyzed across the entire monitored population. See User Session Monitoring, Replay & 6 Heatmaps.

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Heatmaps

GermainUX provides six heatmap and behavioral-overlay types for analyzing activity within individual sessions or across groups of users. Heatmaps can help identify: Heatmaps should be interpreted alongside Session Replay and business outcomes. A frequently clicked element may be successful, confusing, or unresponsive depending on what happens afterward.

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Click and interaction monitoring

GermainUX monitors browser clicks and can automatically distinguish: Thresholds and exclusions can be adjusted for the monitored application. See Dead, Error and Rage Click Monitoring.

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Page and user-experience performance

GermainUX measures browser performance as experienced by real users. Available insights can include: Results can be segmented by page, route, browser, browser version, device, operating system, geography, application version, user group, or another authorized attribute.

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Transaction Performance Comparison

When analyzing a slow or failed browser-based application transaction, use Comparison to compare its performance with another execution of the same transaction, such as the fastest, slowest, most recent, first seen, or last seen. Comparison can reveal: This helps pinpoint why a browser transaction is slower or failing, identify the underlying bottlenecks, and accelerate resolution to improve user experience and conversion. More details on Transaction Performance Comparison.

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Core Web Vitals

GermainUX collects supported Core Web Vitals and related browser-performance metrics made available by the monitored browser. These can include: Browser support and the Core Web Vitals defined by browser vendors evolve over time. The available metrics therefore depend on the GermainUX version, browser, and browser API support. See Core Web Vitals.

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Element and performance-mark monitoring

Monitor the visibility and performance of important page elements and customer-defined browser performance marks. Examples include: See Element and Mark Performance Monitoring.

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JavaScript errors and console events

GermainUX captures supported browser-console activity and JavaScript errors, including: Teams can analyze: See JavaScript Console and Error Monitoring and Unhandled Promise Rejection Monitoring.

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Browser freezes and JavaScript long tasks

GermainUX detects supported JavaScript long tasks that can make a browser page feel slow, frozen, or unresponsive. Freeze/Long-task insights can be correlated with: A long task is evidence that the browser’s main thread was occupied; it does not by itself identify the responsible function. Deploy the JS Profiler when function-level JavaScript analysis is required. See JavaScript Long Task or Browser Freeze Detection.

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Browser memory

GermainUX can collect supported JavaScript and page-memory measurements. Memory monitoring can help detect: The available memory information varies by browser and browser API support. A rising memory measurement can indicate a problem but does not by itself prove that a memory leak exists. See JavaScript and Page Memory Monitoring.

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Network-request monitoring

GermainUX monitors supported requests initiated from the browser, including fetch and XMLHttpRequest activity where accessible. Collected information can include: Use network monitoring to identify: Sensitive URLs, headers, query parameters, request bodies, response bodies, cookies, and tokens must be excluded or masked. See Network Requests Monitoring.

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Server-Timing monitoring

When an application returns the standard Server-Timing response header, GermainUX can collect the metrics made available by the server. These values can help divide an observed browser request into application-defined server stages, such as: The browser can expose only the Server-Timing information returned by the application and permitted by cross-origin policies. See Server Timing Monitoring.

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WebSocket monitoring

GermainUX can monitor supported WebSocket activity within instrumented browser applications. Depending on configuration and browser access, insights can include: WebSocket payload collection should be limited to data that is necessary and authorized. See WebSocket Monitoring.

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Popup-dialog monitoring

GermainUX can detect native browser dialogs such as: It can record when a dialog appears or closes and, when configured, measure how long it remained active. Dialog content may contain sensitive business or personal data and should be masked or excluded when required. See Popup Dialog Monitoring.

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Browser reports and policy violations

Where supported by the browser, GermainUX can collect browser-reported events such as: These insights help developers identify compatibility, security-policy, and future browser-support risks. Browser support varies. The current capability is primarily available in Chromium-based browsers. See Browser Deprecated Features and Policy Violations Monitoring.

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Browser crash detection

GermainUX can detect supported signals indicating that a monitored browser tab or page terminated unexpectedly. Crash analysis can help identify: Browser security and lifecycle behavior prevent any browser-side monitor from detecting every possible process, operating-system, power, or network termination. See Browser Crash Monitoring.

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Battery monitoring

On supported browsers and devices, GermainUX can create an event when: Battery information can provide useful context for mobile or field users, but availability is limited by browser support and device permissions. See Battery Level Monitoring.

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Application metadata

Metadata extractors associate browser activity with authorized application and business context. Extracted metadata can include:

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• Product
• Business process
• Custom attributes

Metadata can be extracted from authorized page content, application state, cookies, or asynchronous application logic. See Metadata Extractors.

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Chat and CTI monitoring

For supported chat and CTI components embedded in a monitored web application, GermainUX can capture events such as: Message-content collection and analysis require appropriate technical access and organizational authorization. See Chat/CTI Monitoring.

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Video interaction monitoring

GermainUX can monitor supported user interactions with embedded video players without streaming or storing the video itself. Depending on the player integration, events can include: See Video Monitoring.

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Business-process, adoption, and conversion monitoring

Browser events can represent milestones in customer journeys and employee workflows. GermainUX can analyze:

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• Lost productivity
• Errors and performance conditions affecting the outcome
• Differences by user or customer segment

Examples include registration, checkout, case management, quote creation, application processing, and employee approvals.

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User feedback

The GermainUX Feedback Popup can collect ratings, comments, and customer-defined feedback within a monitored application. Feedback can be connected to the corresponding: This helps teams understand what happened before the feedback was submitted and measure whether other users encountered the same condition.

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Browser APIs and custom events

The GermainUX browser APIs can be used to: See APIs for Browser Monitoring.

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Analytics and correlation

Browser insights can be analyzed using:

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• Heatmaps
• Business-impact analysis
• Custom dashboards and reports
• AI-assisted analysis when configured

With compatible identifiers, browser activity can be correlated with: See KPIs for Browser Monitoring, Analytics, and Correlation or Tracing.

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Alerts and automated actions

When GermainUX detects a relevant browser insight, it can: Examples include notifying a team when a new JavaScript error affects users, an API failure exceeds its SLA, conversion declines, or a synthetic browser workflow fails. See Automation.

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Security and privacy

Before enabling browser monitoring: Collect only the information required for the approved monitoring purpose.

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Limitations

Browser-monitoring coverage depends on: RUM JS observes only the browser contexts it can access. Cross-origin frames and third-party applications may require the GermainUX RUM Extension or additional authorized instrumentation. Browser monitoring does not automatically expose internal backend execution. Deploy the GermainUX Engine and supported Code Profiler components when server-side evidence is required.

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Deployment and configuration

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• Enable the required click, error, network, performance, memory, long-task, WebSocket, popup, browser-report, chat, video, and battery monitoring.
• Configure custom business events and business-process milestones.
• Deploy the GermainUX JS Profiler when function-level JavaScript analysis is required.
• Deploy the GermainUX Engine and Code Profiler for backend monitoring and frontend-to-backend correlation.
• Configure KPIs, SLAs, dashboards, alerts, Watches, reports, and approved actions.
• Validate data collection, browser compatibility, privacy controls, and business-event accuracy before production rollout.

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The content of this document is proprietary to GERMAIN SOFTWARE.