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 · All devices 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.

31.4%
of sites good on TTFB
1.2s
Typical site
2.7s
Worst 10% of sites

31.4% of sites good on TTFB. The typical site's TTFB is 1.2s. The worst 10% are above 2.7s.

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

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

0 1,963 3,926 5,888 7,851
0–150ms25 sites<0.1% of all sites
150–300ms1,072 sites1.9% of all sites
300–450ms4,556 sites7.9% of all sites
450–600ms5,270 sites9.2% of all sites
600–750ms5,334 sites9.3% of all sites
750–900ms5,020 sites8.7% of all sites
900–1050ms4,542 sites7.9% of all sites
1050–1200ms4,195 sites7.3% of all sites
1200–1350ms3,699 sites6.4% of all sites
1350–1500ms3,377 sites5.9% of all sites
1500–1650ms2,856 sites5% of all sites
1650–1800ms2,495 sites4.3% of all sites
1800–1950ms2,220 sites3.9% of all sites
1950–2100ms1,922 sites3.3% of all sites
2100–2250ms1,582 sites2.8% of all sites
2250–2400ms1,424 sites2.5% of all sites
2400ms and up7,851 sites13.7% of all sites
p50 = 1.2s
p75 = 1.8s
p90 = 2.7s
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: 57,440 sites

31.4% of sites are good on TTFB (at or under 800ms). The typical site is at 1.2s, and 75% of sites stay under 1.8s. Only 68.6% miss good TTFB. The slowest 10% are above 2.7s, and the slowest 1% are above 5.0s.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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
31.4%
42.6%
26.1%
Good Needs Improvement Poor

31.4% of sites are good on TTFB. 42.6% are in the needs improvement band, between 800ms and 1.8s. 26.1% are poor, above 1.8s. Misses split about evenly between the two.

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals FCP → LCP → CLS → INP → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured