dev.to

dev.to based on real-user data from Chrome UX Report

All

Phone

Desktop

Tablet

Past Year

Percentiles Distributions

Time to First Byte
Time to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→
i

0.7s

First Contentful Paint
First Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→
i

1.2s

Largest Contentful Paint
Largest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→
i

1.7s

Cumulative Layout Shift
Cumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→
i

First Input Delay
First Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→
i

0ms

Interaction to Next Paintexperimental
Interaction to Next Paint (INP)experimental measures interaction latency. It captures the full event time, from initial input until the next frame is painted and event handlers have run. For pages with many interactions, it uses the maximum duration with some approximations.Learn more at web.dev/responsiveness/→
i

75ms

Past 28-days

Time to First Byte
Time to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→
i

0.7s

77.9%

18.3%

3.8%

First Contentful Paint
First Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→
i

1.3s

86%

Largest Contentful Paint
Largest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→
i

1.8s

86.7%

8.4%

4.9%

Cumulative Layout Shift
Cumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→
i

95.9%

2.1%

First Input Delay
First Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→
i

10ms

95.2%

2.5%

2.3%

Interaction to Next Paint
Interaction to Next Paint (INP)experimental measures interaction latency. It captures the full event time, from initial input until the next frame is painted and event handlers have run. For pages with many interactions, it uses the maximum duration with some approximations.Learn more at web.dev/responsiveness/→
i

100ms

85.3%

8.5%

6.2%

Extend the report with real-user data for your URLs.

Add page-level data →

Geography

Form Factors

Phone

40%

Desktop

60%

Connections

4G and faster

94%

If you want to optimize your site's speed, give Treo a try

Treo is a web performance monitoring service built on top of Lighthouse, PageSpeed Insights, and Chrome UX Report. Effortlessly track your site's performance, identify problem areas, and receive alerts — all from one simple dashboard. You'll know how fast your site is and how to improve it.

Start 14-day free trial →Live demo →

dev.to

Site speed audit for https://dev.to based on real-user data from Chrome UX Report

Past Year

Time to First ByteTime to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→i

First Contentful PaintFirst Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→i

Largest Contentful PaintLargest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→i

Cumulative Layout ShiftCumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→i

First Input DelayFirst Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→i

Past 28-days

Time to First ByteTime to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→i

First Contentful PaintFirst Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→i

Largest Contentful PaintLargest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→i

Cumulative Layout ShiftCumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→i

First Input DelayFirst Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→i

Geography

Form Factors

Connections

If you want to optimize your site's speed, give Treo a try

Time to First Byte
Time to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→
i

First Contentful Paint
First Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→
i

Largest Contentful Paint
Largest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→
i

Cumulative Layout Shift
Cumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→
i

First Input Delay
First Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→
i

Time to First Byte
Time to First Byte (TTFB) is the time it takes to receive the first byte from the server. A fast TTFB indicates that the server responses quickly.Learn more at web.dev/ttfb/→
i

First Contentful Paint
First Contentful Paint (FCP) marks the time when the user can see anything on the screen. A fast FCP helps reassure the user that something is happening.Learn more at web.dev/fcp/→
i

Largest Contentful Paint
Largest Contentful Paint (LCP) marks the time when the page's main content has likely loaded. A fast LCP helps reassure the user that the page is useful.Learn more at web.dev/lcp/→
i

Cumulative Layout Shift
Cumulative Layout Shift (CLS) quantifies how often users experience unexpected layout shifts. A fast CLS indicates that the page is delightful.Learn more at web.dev/cls/→
i

First Input Delay
First Input Delay (FID) quantifies the experience users feel when trying to interact with unresponsive pages. A fast FID indicates that the page is usable.Learn more at web.dev/fid/→
i