The State of Web Vitals

Page weight & requests

Every request the page makes on a cold load: request count and total transfer size over the wire.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Page weight & requests

Every request the page makes on a cold load: request count and total transfer size over the wire.

71
request count
on the typical page
2.3 MB
page weight
on the typical page
4.5 MB
1 in 4 pages exceed this
page weight
185,271
sites measured
phone field data

The typical page weighs 2.3 MB across 71 requests.

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2

Distribution & median CLS site count and median CLS at each level of page weight & requests — n

0.00 0.04 0.08 0.11 0.15
0.1
0 26495 52990
0 1–2 3 4–6 7–11 12–19 20–35 36–62 63–112 113–203 204–366 >p98
Good (≤0.1) Needs improvement Poor (>0.25) Site count
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS by page weight & requests — n which level passes the CLS most often

Page weight & requests — nSitesPassing CLSCLS
1–2 2,280 90% 0.00
3 1,692 89% 0.00
4–6 4,413 90% 0.00
7–11 2,565 93% 0.00
12–19 6,527 92% 0.00
20–35 21,342 92% 0.00
36–62 42,096 92% 0.00
63–112 52,990 88% 0.00
113–203 34,303 86% 0.00
204–366 13,375 86% 0.00
>p98 3,683 85% 0.01
Good Needs Improvement Poor Faded rows: under 100 sites

Page weight & requests — n 71. p75 120. p99 439. At the low end (1–2): CLS 0.00. At the high end (>p98): CLS 0.01. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
4

Distribution & median CLS site count and median CLS at each level of page weight & requests — size

0.00 0.04 0.08 0.11 0.15
0.1
0 40094 80188
0 0.1–0.346 0.346–1.2 1.2–4.14 4.14–14.3 14.3–49.6 49.6–172 172–593 593–2053 2053–7104 7104–24579 >p98
Good (≤0.1) Needs improvement Poor (>0.25) Site count
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
5

Passing CLS by page weight & requests — size which level passes the CLS most often

Page weight & requests — sizeSitesPassing CLSCLS
0 9,187 89% 0.00
0.1–0.346 362 91% 0.00
0.346–1.2 869 90% 0.00
1.2–4.14 737 87% 0.00
4.14–14.3 602 88% 0.00
14.3–49.6 1,041 88% 0.00
49.6–172 2,101 93% 0.00
172–593 10,655 94% 0.00
593–2053 57,127 92% 0.00
2053–7104 80,188 88% 0.00
7104–24579 23,431 85% 0.00
>p98 3,615 85% 0.00
Good Needs Improvement Poor Faded rows: under 100 sites

Page weight & requests — size 2.3 MB. p75 4.5 MB. p99 33.3 MB. At the low end (0 KB): CLS 0.00. At the high end (>p98): CLS 0.00. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
6

Why this matters for the Core Web Vitals, and where to start fixing it

Page weight is a bandwidth problem. The network can only move so many bytes per second and every resource on the page competes for that capacity. The LCP image does not load alone. It shares bandwidth with every script, stylesheet and tracking pixel that loads at the same time. A heavier page means the main content arrives later.

Request count matters next to the bytes. Every request adds queueing and scheduling overhead. On a busy connection important requests wait behind unimportant ones. Script bytes keep costing after the download. The main thread has to parse and execute them, and that delays interactions (INP). The resource type breakdown shows where the bytes sit.

How does page weight affect the Core Web Vitals?

Page weight & requests correlate with the LCP. Page weight separates passing sites from failing sites more than request count does. Where the page weight is low, 81% of sites pass the LCP. Where it is high, 73% do. The decline is gradual. There is no point where sites suddenly start failing.

Go fix it Bytes by resource type → Page speed on a budget → Reduce unused JavaScript → Optimize images for Core Web Vitals →
Related signals Cookies per site → Stylesheet initiator → Script coverage (used vs unused) → font-display strategy → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured