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	112.8ms	112.63ms	2.85ms
Next.js	394ms	394.15ms	18.46ms
Nuxt	184.2ms	184.21ms	9.57ms
React Router	186.2ms	186.26ms	25.6ms
SolidStart	150ms	150.24ms	18.15ms
SvelteKit	193.4ms	193.37ms	12.69ms
TanStack Start	182.6ms	182.54ms	27.68ms

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	102ms	101.97ms	2.19ms
Next.js	164.2ms	163.97ms	21.39ms
Nuxt	113.4ms	113.28ms	12.21ms
React Router	129ms	129.17ms	19.47ms
SolidStart	186.4ms	186.39ms	17.6ms
SvelteKit	110ms	110.18ms	12.33ms
TanStack Start	145.6ms	145.79ms	27.76ms

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	853	1.199ms	96.83kb	1x
Astro	545	1.759ms	99.82kb	1x
Mastro	515	1.912ms	181.95kb	1x
Next.js	229	4.625ms	199.52kb	2x
Nuxt	355	2.742ms	201.27kb	2x
React Router	347	2.854ms	211.63kb	2x
SolidStart	397	2.539ms	230.24kb	2x
SvelteKit	431	2.248ms	183.49kb	2x
TanStack Start	316	3.147ms	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	1,661.4	200	18ms	42ms	103ms	49,205
Astro	735	25	52ms	94ms	1289ms	22,826
Next.js	30.8	5	2762ms	4624ms	4899ms	793
Nuxt	62.6	5	2524ms	4344ms	4454ms	1,942
React Router	171	25	298ms	1740ms	3819ms	5,558
SolidStart	62	5	3274ms	3655ms	4010ms	2,043
SvelteKit	464.4	25	93ms	478ms	2570ms	14,744
TanStack Start	42.8	5	3916ms	4562ms	4560ms	1,314

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.