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 · Phone 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.

32.2%
of sites good on TTFB
1.1s
Typical site
2.6s
Worst 10% of sites

32.2% 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) · phone field datacorewebvitals.io/state-of-cwv
2

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

0 1,122 2,245 3,367 4,489
0–150ms10 sites<0.1% of all sites
150–300ms537 sites1.6% of all sites
300–450ms2,906 sites8.5% of all sites
450–600ms3,251 sites9.5% of all sites
600–750ms3,197 sites9.4% of all sites
750–900ms3,118 sites9.1% of all sites
900–1050ms2,731 sites8% of all sites
1050–1200ms2,537 sites7.4% of all sites
1200–1350ms2,116 sites6.2% of all sites
1350–1500ms1,977 sites5.8% of all sites
1500–1650ms1,659 sites4.9% of all sites
1650–1800ms1,450 sites4.2% of all sites
1800–1950ms1,365 sites4% of all sites
1950–2100ms1,071 sites3.1% of all sites
2100–2250ms927 sites2.7% of all sites
2250–2400ms798 sites2.3% of all sites
2400ms and up4,489 sites13.1% of all sites
p50 = 1.1s
p75 = 1.8s
p90 = 2.6s
p99 = 5s
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: 34,139 sites

32.2% of sites are good on TTFB (at or under 800ms). The typical site is at 1.1s, and 75% of sites stay under 1.8s. Only 67.8% miss good TTFB. The slowest 10% are above 2.6s, and the slowest 1% are above 5.0s.

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

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

TTFB
32.2%
42.5%
25.3%
Good Needs Improvement Poor

32.2% of sites are good on TTFB. 42.5% are in the needs improvement band, between 800ms and 1.8s. 25.3% are poor, above 1.8s. Misses split about evenly between the two.

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