Original research · Mobile lab test · snapshot 2026-08-26

95.4% of tested sites missed the 2.5-second LCP benchmark.

Largest Contentful Paint (LCP) measures when the largest visible element on a page finishes rendering. Google treats 2.5 seconds or less as good. In this sample, the median business homepage took 7.9 seconds in a mobile Lighthouse lab test.

  • 95.4% missed the 2.5-second mobile LCP benchmark
  • 11,184 valid observations (10,675 counted)
  • 327 US cities in 43 states
What the number means

95.4% of 11,184 sites missed the 2.5-second mobile LCP benchmark.

A slow first screen is the part of a website a visitor on a phone experiences before anything else. This finding is a lab measurement, so it shows how the page performs under one controlled mobile profile, not how every visitor experienced it.

95.4% of tested sites missed the 2.5-second LCP benchmark. Routeless Business Website Benchmark, n=11,184.
Routeless Website Benchmark • n=11,184 • 2026-08. This is mobile Lighthouse lab LCP for completed PageSpeed runs, not field performance for every visitor.
By industry

How the published industry cohorts compare.

Industry cohorts publish only when the snapshot holds enough valid observations. They are observational comparisons within the sample, not rankings of every business in the industry.

CohortShare that missed the 2.5-second mobile LCP benchmarkValid observations
All sampled business websites 95.4% 11,184
Dental websites 97.6% 3,587
Law firm websites 93.0% 3,713
HVAC websites 93.5% 293
Plumbing websites 93.7% 1,098
Cite and reuse

Quote it with the denominator attached.

This finding, its data, and its chart are available under CC BY 4.0. Credit Routeless, link to this page, and keep the collection window and sample size with the figure.

Suggested citation

Routeless. “95.4% of tested sites missed the 2.5-second LCP benchmark.” State of Small Business Websites 2026, Routeless Business Website Benchmark, revision 2, 2026-08-26. https://www.routeless.io/website-benchmarks/findings/mobile-speed

Permalink

https://www.routeless.io/website-benchmarks/findings/mobile-speed

Collection window

2026-08-24 to 2026-08-25, revision 2

Data

The CSV holds this finding's metrics at national, platform, industry, state, and regional scope.

Embed the chart

<a href="https://www.routeless.io/website-benchmarks/findings/mobile-speed"><img src="https://www.routeless.io/website-benchmarks/charts/mobile-speed.svg" alt="95.4% of tested sites missed the 2.5-second LCP benchmark (Routeless Website Benchmark)" width="1200" height="630"></a>

Request a data cut, interview, or correction review →

See it in practice

Recent client results.

Research by , founder of Routeless.