TTFB distribution Shopify sites

How TTFB is distributed across real-user data, plus pass-rate breakdown.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Shopify sites only
Shopify Scoped to 8,248 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for TTFB distribution

How TTFB is distributed across real-user data, plus pass-rate breakdown.

96.1%
of sites good on TTFB
406ms
Typical site
638ms
Worst 10% of sites

96.1% of sites good on TTFB. The typical site's TTFB is 406ms. The worst 10% are above 638ms.

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
2

The TTFB distribution site count at each TTFB, from good to poor

0 813 1,627 2,440 3,253
0–150ms56 sites0.7% of all sites
150–300ms1,484 sites19% of all sites
300–450ms3,253 sites41.6% of all sites
450–600ms1,997 sites25.6% of all sites
600–750ms631 sites8.1% of all sites
750–900ms192 sites2.5% of all sites
900–1050ms82 sites1% of all sites
1050–1200ms30 sites0.4% of all sites
1200–1350ms26 sites0.3% of all sites
1350–1500ms12 sites0.2% of all sites
1500–1650ms14 sites0.2% of all sites
1650–1800ms7 sites0.1% of all sites
1800–1950ms5 sites0.1% of all sites
1950–2100ms4 sites0.1% of all sites
2100–2250ms2 sites<0.1% of all sites
2250–2400ms3 sites<0.1% of all sites
2400ms and up16 sites0.2% of all sites
p50 = 406ms
p75 = 513ms
p90 = 638ms
p99 = 1.2s
0–150 150–300 300–450 450–600 600–750 750–900 900–1050 1050–1200 1200–1350 1350–1500 1500–1650 1650–1800 1800–1950 1950–2100 2100–2250 2250–2400 2400+
Good (≤800ms) Needs improvement Poor (>1.8s) Percentile markers Total: 7,814 sites

Most sites are good on TTFB. 96.1% sit at or under 800ms. The typical site is at 406ms, and 75% of sites stay under 513ms. Only 3.9% miss good TTFB. The slowest 10% are above 638ms, and the slowest 1% are above 1.2s.

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
3

The TTFB pass rate the share of sites that are good, needs improvement and poor

TTFB
96.1%
0.4%
Good Needs Improvement Poor

96.1% of sites are good on TTFB. 3.5% are in the needs improvement band, between 800ms and 1.8s. 0.4% are poor, above 1.8s. A miss is usually needs improvement, not poor.

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
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