PerformanceCaptureConfig

Properties

NameType
__web_vitals_max_valuenumber

We observe very large values reported by the Chrome web vitals library These outliers are likely not real, useful values, and we exclude them You can set this to 0 in order to include all values, NB this is not recommended 15 * 60 * 1000 (15 minutes)

network_timingboolean

Works with session replay to use the browser's native performance observer to capture performance metrics

web_vitals_allowed_metricsSupportedWebVitalsMetrics[]

By default all 4 metrics are captured You can set this config to restrict which metrics are captured e.g. ['CLS', 'FCP'] to only capture those two metrics NB setting this does not override whether the capture is enabled ['LCP', 'CLS', 'FCP', 'INP']

web_vitals_delayed_flush_msnumber

We delay flushing web vitals metrics to reduce the number of events we send This is the maximum time we will wait before sending the metrics 5000

web_vitalsboolean

Use chrome's web vitals library to wrap fetch and capture web vitals

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