The State of Web Vitals

TTFB distribution WordPress sites

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

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop field outcomes · WordPress sites only
WordPress Scoped to 63,295 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.

35.8%
of sites good on TTFB
1.1s
Typical site
2.6s
Worst 10% of sites

35.8% of sites good on TTFB. The typical site's TTFB is 1.1s. The worst 10% are above 2.6s.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2

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

0 435 870 1,304 1,739
0–150ms72 sites0.5% of all sites
150–300ms820 sites5.6% of all sites
300–450ms1,190 sites8.1% of all sites
450–600ms1,340 sites9.1% of all sites
600–750ms1,408 sites9.6% of all sites
750–900ms1,241 sites8.4% of all sites
900–1050ms1,205 sites8.2% of all sites
1050–1200ms1,093 sites7.4% of all sites
1200–1350ms958 sites6.5% of all sites
1350–1500ms794 sites5.4% of all sites
1500–1650ms676 sites4.6% of all sites
1650–1800ms646 sites4.4% of all sites
1800–1950ms488 sites3.3% of all sites
1950–2100ms424 sites2.9% of all sites
2100–2250ms330 sites2.2% of all sites
2250–2400ms303 sites2.1% of all sites
2400ms and up1,739 sites11.8% of all sites
p50 = 1.1s
p75 = 1.7s
p90 = 2.6s
p99 = 5.2s
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: 14,727 sites

35.8% of sites are good on TTFB (at or under 800ms). The typical site is at 1.1s, and 75% of sites stay under 1.7s. Only 64.2% miss good TTFB. The slowest 10% are above 2.6s, and the slowest 1% are above 5.2s.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3

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

TTFB
35.8%
42%
22.3%
Good Needs Improvement Poor

35.8% of sites are good on TTFB. 42.0% are in the needs improvement band, between 800ms and 1.8s. 22.3% are poor, above 1.8s. Misses split about evenly between the two.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
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