Skip to content

Early hints

Early Hints-specific metrics

Source | Edit

Metrics

eh_perf_first_contentful_paint_ms_preconnect_


Analysis Period: weekly, overall

Data Source: main

Statistics: empirical_cdf, kernel_density_estimate, deciles

Definition:
SAFE_DIVIDE(
        SUM(CAST(JSON_EXTRACT_SCALAR(mozfun.map.get_key(payload.processes.content.keyed_histograms.eh_perf_first_contentful_paint_ms, 'preconnect_'), "$.sum") AS int64)),
        SUM((SELECT SUM(value) FROM UNNEST(mozfun.hist.extract(mozfun.map.get_key(payload.processes.content.keyed_histograms.eh_perf_first_contentful_paint_ms, 'preconnect_')).values)))
    )

eh_perf_page_load_time_ms_preconnect_


Analysis Period: weekly, overall

Data Source: main

Statistics: empirical_cdf, kernel_density_estimate, deciles

Definition:
SAFE_DIVIDE(
        SUM(CAST(JSON_EXTRACT_SCALAR(mozfun.map.get_key(payload.processes.content.keyed_histograms.eh_perf_page_load_time_ms, 'preconnect_'), "$.sum") AS int64)),
        SUM((SELECT SUM(value) FROM UNNEST(mozfun.hist.extract(mozfun.map.get_key(payload.processes.content.keyed_histograms.eh_perf_page_load_time_ms, 'preconnect_')).values)))
    )

Data Sources

main- Main

Main ping table

Definition: