Run Time Stats

Client Side Rendered Tests

Methodology: Client Side Rendered Tests.

Some frameworks have been moved off their golden path to make client side tests fair when comparing. See the methodology link above for the full details.

Framework	First Paint	FCP	INP
Astro	179.2ms	179.1ms	5.55ms
Next.js	383.2ms	382.99ms	20.71ms
Nuxt	257.2ms	257.24ms	10.79ms
React Router	248.4ms	248.35ms	17.41ms
SolidStart	124.6ms	124.41ms	14.3ms
SvelteKit	192.4ms	192.7ms	13.84ms
TanStack Start	258.6ms	258.63ms	31.59ms

First Paint (ms)

First Paint (ms) chart

First Contentful Paint (ms)

First Contentful Paint (ms) chart

Interaction to Next Paint (ms)

Interaction to Next Paint (ms) chart

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
Astro	122.2ms	122.09ms	2.66ms
Next.js	199.2ms	199.06ms	17.82ms
Nuxt	136.8ms	136.76ms	15.63ms
React Router	113.2ms	113.23ms	18.9ms
SolidStart	117ms	117.1ms	15.85ms
SvelteKit	123.6ms	123.63ms	13.73ms
TanStack Start	129.4ms	129.29ms	27.53ms

First Paint (ms)

First Paint (ms) chart

First Contentful Paint (ms)

First Contentful Paint (ms) chart

Interaction to Next Paint (ms)

Interaction to Next Paint (ms) chart

Server Side Throughput Tests

Methodology: Server Side Throughput Tests.

Framework	Ops/sec	Median Latency	Body Size	Duplication
Baseline HTML	858	1.197ms	96.83kb	1x
Astro	584	1.639ms	99.82kb	1x
Mastro	515	1.912ms	181.95kb	1x
Next.js	225	4.661ms	199.57kb	2x
Nuxt	354	2.731ms	201.27kb	2x
React Router	349	2.838ms	211.63kb	2x
SolidStart	393	2.519ms	230.24kb	2x
SvelteKit	436	2.226ms	183.49kb	2x
TanStack Start	280	3.546ms	193.62kb	2x

Ops/sec

Ops/sec chart

Body Size

Body Size chart

Median Latency

Median Latency chart

Server Side Load Test

Methodology: Server Side Load Test.

Framework	Peak req/s	Peak Connections	P99 @ 25	P99 @ 50	P99 @ 100	Total Req.
Baseline HTML	1,664.8	100	19ms	42ms	112ms	49,172
Astro	918.4	25	42ms	75ms	786ms	28,309
Next.js	37.4	5	2139ms	4659ms	4651ms	1,021
Nuxt	63	5	2202ms	4174ms	4504ms	2,025
React Router	167.4	50	194ms	1748ms	3917ms	5,411
SolidStart	62.4	25	3245ms	4058ms	4315ms	1,996
SvelteKit	469.6	25	92ms	201ms	2680ms	15,078
TanStack Start	43.8	5	3546ms	3748ms	4548ms	1,351

P99 Latency

P99 Latency at 25 Connections

P99 Latency at 25 Connections chart

P99 Latency at 50 Connections

P99 Latency at 50 Connections chart

P99 Latency at 100 Connections

P99 Latency at 100 Connections chart

P90 Latency

P90 Latency at 25 Connections

P90 Latency at 25 Connections chart

P90 Latency at 50 Connections

P90 Latency at 50 Connections chart

P90 Latency at 100 Connections

P90 Latency at 100 Connections chart

P75 Latency

P75 Latency at 25 Connections

P75 Latency at 25 Connections chart

P75 Latency at 50 Connections

P75 Latency at 50 Connections chart

P75 Latency at 100 Connections

P75 Latency at 100 Connections chart

Core Web Vitals

CWV Desktop

Framework	LCP%	CLS%	FCP%	TTFB%	INP%
Astro	91	87	91	82	97
SolidStart	91	66	91	83	100
SvelteKit	79	77	78	71	94
Next.js	72	69	76	67	94
React Router	61	62	66	70	90
Nuxt.js	65	57	67	59	95

Good Largest Contentful Paint

Measures how fast a page's main content loads. To provide a good user experience, the LCP should be 2.5 seconds or less.

Good Largest Contentful Paint chart

Good Cumulative Layout Shift

Measures how much and how far content unexpectedly moves on a page. To provide a good user experience, sites should maintain a CLS score of 0.1 or less for at least 75% of page visits.

Good Cumulative Layout Shift chart

Good First Contentful Paint

Measures initial loading speed. To provide a good user experience, the FCP should be 1.8 seconds or less.

Good First Contentful Paint chart

Good Time To First Byte

Measures the time between the request for a resource and when the first byte of a response begins to arrive. A good TTFB is less than or equal to 800ms.

Good Time To First Byte chart

Good Interaction to Next Paint

Measures overall page responsiveness to user actions. To provide a good user experience, the INP should be 200ms or less.

Good Interaction to Next Paint chart

CWV Mobile

Framework	LCP%	CLS%	FCP%	TTFB%	INP%
Astro	77	92	71	60	86
SolidStart	90	63	90	81	100
SvelteKit	67	81	60	58	75
Next.js	51	69	50	47	58
Nuxt.js	45	58	43	45	65
React Router	41	64	41	53	56

Good Largest Contentful Paint

Measures how fast a page's main content loads. To provide a good user experience, the LCP should be 2.5 seconds or less.

Good Largest Contentful Paint chart

Good Cumulative Layout Shift

Measures how much and how far content unexpectedly moves on a page. To provide a good user experience, sites should maintain a CLS score of 0.1 or less for at least 75% of page visits.

Good Cumulative Layout Shift chart

Good First Contentful Paint

Measures initial loading speed. To provide a good user experience, the FCP should be 1.8 seconds or less.

Good First Contentful Paint chart

Good Time To First Byte

Measures the time between the request for a resource and when the first byte of a response begins to arrive. A good TTFB is less than or equal to 800ms.

Good Time To First Byte chart

Good Interaction to Next Paint

Measures overall page responsiveness to user actions. To provide a good user experience, the INP should be 200ms or less.

Good Interaction to Next Paint chart

Methodology: Core Web Vitals.