Main-thread CPU (lab)

LCP INP CLS

No data for Main-thread CPU (lab) this edition.

Related signals Document lifecycle (lab) → Lab paint timeline → Total Blocking Time (lab) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured

Live queries (4) — admin only

Query #1: 33.5 ms

SELECT COUNT(*) AS count,
            quantile_disc(m.synthetic.cpu.loading, 0.10) AS p10,
            quantile_disc(m.synthetic.cpu.loading, 0.25) AS p25,
            quantile_disc(m.synthetic.cpu.loading, 0.50) AS p50,
            quantile_disc(m.synthetic.cpu.loading, 0.75) AS p75,
            quantile_disc(m.synthetic.cpu.loading, 0.90) AS p90,
            quantile_disc(m.synthetic.cpu.loading, 0.99) AS p99
            FROM sites WHERE m.synthetic.cpu.loading IS NOT NULL;

Query #2: 33.4 ms

SELECT COUNT(*) AS count,
            quantile_disc(m.synthetic.cpu.scripting, 0.10) AS p10,
            quantile_disc(m.synthetic.cpu.scripting, 0.25) AS p25,
            quantile_disc(m.synthetic.cpu.scripting, 0.50) AS p50,
            quantile_disc(m.synthetic.cpu.scripting, 0.75) AS p75,
            quantile_disc(m.synthetic.cpu.scripting, 0.90) AS p90,
            quantile_disc(m.synthetic.cpu.scripting, 0.99) AS p99
            FROM sites WHERE m.synthetic.cpu.scripting IS NOT NULL;

Query #3: 37.6 ms

SELECT COUNT(*) AS count,
            quantile_disc(m.synthetic.cpu.rendering, 0.10) AS p10,
            quantile_disc(m.synthetic.cpu.rendering, 0.25) AS p25,
            quantile_disc(m.synthetic.cpu.rendering, 0.50) AS p50,
            quantile_disc(m.synthetic.cpu.rendering, 0.75) AS p75,
            quantile_disc(m.synthetic.cpu.rendering, 0.90) AS p90,
            quantile_disc(m.synthetic.cpu.rendering, 0.99) AS p99
            FROM sites WHERE m.synthetic.cpu.rendering IS NOT NULL;

Query #4: 32.3 ms

SELECT COUNT(*) AS count,
            quantile_disc(m.synthetic.cpu.painting, 0.10) AS p10,
            quantile_disc(m.synthetic.cpu.painting, 0.25) AS p25,
            quantile_disc(m.synthetic.cpu.painting, 0.50) AS p50,
            quantile_disc(m.synthetic.cpu.painting, 0.75) AS p75,
            quantile_disc(m.synthetic.cpu.painting, 0.90) AS p90,
            quantile_disc(m.synthetic.cpu.painting, 0.99) AS p99
            FROM sites WHERE m.synthetic.cpu.painting IS NOT NULL;

JSON file lookups (4)

                    20260625/meta.json
                    2.01 ms
                

                    20260625/types.json
                    0.55 ms
                

                    20260625/loaf-scripts.json
                    4.37 ms
                

                    20260625/menu.json
                    0.23 ms
                