developer.chrome.com

Site speed audit for developer.chrome.com based on real-user data from Chrome UX Report.

Mode:

Device:

Metrics

TTFB

Time to First Byte

1.4s

Good < 0.8

34.6%

Impr.

50.9%

Poor > 1.8

14.5%

FCP

First Contentful Paint

2.0s

Good < 1.8

66.5%

Impr.

22.4%

Poor > 3.0

11.1%

LCP

Largest Contentful Paint

2.7s

Good < 2.5

70.0%

Impr.

18.5%

Poor > 4.0

11.5%

INP

Interaction to Next Paint

75ms

Good < 200

92.5%

Impr.

4.7%

Poor > 500

2.8%

CLS

Cumulative Layout Shift

0.10

Good < 0.10

72.7%

Impr.

18.2%

Poor > 0.25

9.1%

Audience

Form Factors

Mobile

41.0%

Desktop

57.7%

Tablet

1.2%

Round-Trip Time

125ms

Low < 75

52.2%

Medium

40.4%

High > 275

7.4%

Navigation Types

Popularity Rank

Top 50,000

Geography

The site speed dashboard.

Track, analyze, and optimize Core Web Vitals for any domain. Get instant access to real-user Chrome UX Report data with zero configuration.