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	130.2ms	130.25ms	10.31ms
Next.js	346.8ms	346.8ms	20.72ms
Nuxt	171.2ms	171.32ms	12.2ms
React Router	187.8ms	187.7ms	17.91ms
SolidStart	112.6ms	112.73ms	14.69ms
SvelteKit	119.6ms	119.52ms	15.59ms
TanStack Start	207.4ms	207.26ms	32.37ms

First Paint (ms)

First Paint (ms) data
Framework	Milliseconds
SolidStart	112.60 ms
SvelteKit	119.60 ms
Astro	130.20 ms
Nuxt	171.20 ms
React Router	187.80 ms
TanStack Start	207.40 ms
Next.js	346.80 ms

The chart includes a dotted median reference line calculated from the visible framework values.

First Contentful Paint (ms)

First Contentful Paint (ms) data
Framework	Milliseconds
SolidStart	112.73 ms
SvelteKit	119.52 ms
Astro	130.25 ms
Nuxt	171.32 ms
React Router	187.70 ms
TanStack Start	207.26 ms
Next.js	346.80 ms

The chart includes a dotted median reference line calculated from the visible framework values.

Interaction to Next Paint (ms)

Interaction to Next Paint (ms) data
Framework	Milliseconds
Astro	10.31 ms
Nuxt	12.20 ms
SolidStart	14.69 ms
SvelteKit	15.59 ms
React Router	17.91 ms
Next.js	20.72 ms
TanStack Start	32.37 ms

The chart includes a dotted median reference line calculated from the visible framework values.

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
Astro	106.4ms	106.53ms	4.23ms
Next.js	170.8ms	170.73ms	17.92ms
Nuxt	127.2ms	127.24ms	10.62ms
React Router	137.6ms	137.81ms	16.62ms
SolidStart	132.2ms	132.14ms	15.38ms
SvelteKit	84.4ms	84.35ms	13.94ms
TanStack Start	172.6ms	172.77ms	27.86ms

First Paint (ms)

First Paint (ms) data
Framework	Milliseconds
SvelteKit	84.40 ms
Astro	106.40 ms
Nuxt	127.20 ms
SolidStart	132.20 ms
React Router	137.60 ms
Next.js	170.80 ms
TanStack Start	172.60 ms

The chart includes a dotted median reference line calculated from the visible framework values.

First Contentful Paint (ms)

First Contentful Paint (ms) data
Framework	Milliseconds
SvelteKit	84.35 ms
Astro	106.53 ms
Nuxt	127.24 ms
SolidStart	132.14 ms
React Router	137.81 ms
Next.js	170.73 ms
TanStack Start	172.77 ms

The chart includes a dotted median reference line calculated from the visible framework values.

Interaction to Next Paint (ms)

Interaction to Next Paint (ms) data
Framework	Milliseconds
Astro	4.23 ms
Nuxt	10.62 ms
SvelteKit	13.94 ms
SolidStart	15.38 ms
React Router	16.62 ms
Next.js	17.92 ms
TanStack Start	27.86 ms

The chart includes a dotted median reference line calculated from the visible framework values.

Server Side Throughput Tests

Methodology: Server Side Throughput Tests.

Framework	Ops/sec	Median Latency	Body Size	Duplication
Baseline HTML	845	1.199ms	96.83kb	1x
Astro	538	1.793ms	99.82kb	1x
Mastro	515	1.912ms	181.95kb	1x
Next.js	229	4.623ms	199.57kb	2x
Nuxt	360	2.697ms	201.27kb	2x
React Router	346	2.857ms	211.63kb	2x
SolidStart	392	2.518ms	230.24kb	2x
SvelteKit	436	2.227ms	183.53kb	2x
TanStack Start	313	3.171ms	193.62kb	2x

Ops/sec

Ops/sec data
Framework	Operations per second
Baseline HTML	845
Astro	538
Mastro	515
SvelteKit	436
SolidStart	392
Nuxt	360
React Router	346
TanStack Start	313
Next.js	229

The chart includes a dotted median reference line calculated from the visible framework values.

Body Size

Body Size data
Framework	Kilobytes
Baseline HTML	96.83 KB
Astro	99.82 KB
Mastro	181.95 KB
SvelteKit	183.53 KB
TanStack Start	193.62 KB
Next.js	199.57 KB
Nuxt	201.27 KB
React Router	211.63 KB
SolidStart	230.24 KB

The chart includes a dotted median reference line calculated from the visible framework values.

Median Latency

Median Latency data
Framework	Milliseconds
Baseline HTML	1.20 ms
Astro	1.79 ms
Mastro	1.91 ms
SvelteKit	2.23 ms
SolidStart	2.52 ms
Nuxt	2.70 ms
React Router	2.86 ms
TanStack Start	3.17 ms
Next.js	4.62 ms

The chart includes a dotted median reference line calculated from the visible framework values.

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	1,679.8	100	18ms	40ms	100ms	49,455
Astro	740.4	25	54ms	81ms	1254ms	23,003
Next.js	37.4	5	2178ms	4652ms	4698ms	1,040
Nuxt	65	5	2049ms	4034ms	4477ms	2,092
React Router	174.4	25	287ms	1641ms	3824ms	5,766
SolidStart	62.6	5	3252ms	3746ms	4317ms	2,061
SvelteKit	488.8	25	89ms	428ms	2592ms	15,735
TanStack Start	44	5	3593ms	4525ms	4125ms	1,357

P99 Latency

P99 Latency at 25 Connections

P99 Latency at 25 Connections data
Framework	Milliseconds
Baseline HTML	18.00 ms
Astro	54.00 ms
SvelteKit	89.00 ms
React Router	287.00 ms
Nuxt	2049.00 ms
Next.js	2178.00 ms
SolidStart	3252.00 ms
TanStack Start	3593.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P99 Latency at 50 Connections

P99 Latency at 50 Connections data
Framework	Milliseconds
Baseline HTML	40.00 ms
Astro	81.00 ms
SvelteKit	428.00 ms
React Router	1641.00 ms
SolidStart	3746.00 ms
Nuxt	4034.00 ms
TanStack Start	4525.00 ms
Next.js	4652.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P99 Latency at 100 Connections

P99 Latency at 100 Connections data
Framework	Milliseconds
Baseline HTML	100.00 ms
Astro	1254.00 ms
SvelteKit	2592.00 ms
React Router	3824.00 ms
TanStack Start	4125.00 ms
SolidStart	4317.00 ms
Nuxt	4477.00 ms
Next.js	4698.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P90 Latency

P90 Latency at 25 Connections

P90 Latency at 25 Connections data
Framework	Milliseconds
Baseline HTML	17.00 ms
Astro	35.00 ms
SvelteKit	60.00 ms
React Router	151.00 ms
Nuxt	387.00 ms
SolidStart	543.00 ms
Next.js	745.00 ms
TanStack Start	790.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P90 Latency at 50 Connections

P90 Latency at 50 Connections data
Framework	Milliseconds
Baseline HTML	32.00 ms
Astro	69.00 ms
SvelteKit	148.00 ms
React Router	290.00 ms
Nuxt	513.00 ms
SolidStart	592.00 ms
TanStack Start	821.00 ms
Next.js	2425.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P90 Latency at 100 Connections

P90 Latency at 100 Connections data
Framework	Milliseconds
Baseline HTML	73.00 ms
Astro	138.00 ms
SvelteKit	212.00 ms
React Router	402.00 ms
SolidStart	633.00 ms
Nuxt	651.00 ms
TanStack Start	1395.00 ms
Next.js	2862.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P75 Latency

P75 Latency at 25 Connections

P75 Latency at 25 Connections data
Framework	Milliseconds
Baseline HTML	16.00 ms
Astro	34.00 ms
SvelteKit	54.00 ms
React Router	141.00 ms
SolidStart	351.00 ms
Nuxt	374.00 ms
TanStack Start	532.00 ms
Next.js	729.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P75 Latency at 50 Connections

P75 Latency at 50 Connections data
Framework	Milliseconds
Baseline HTML	31.00 ms
Astro	68.00 ms
SvelteKit	112.00 ms
React Router	282.00 ms
SolidStart	332.00 ms
Nuxt	468.00 ms
TanStack Start	514.00 ms
Next.js	1139.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

P75 Latency at 100 Connections

P75 Latency at 100 Connections data
Framework	Milliseconds
Baseline HTML	60.00 ms
Astro	134.00 ms
SvelteKit	168.00 ms
SolidStart	313.00 ms
React Router	361.00 ms
Nuxt	462.00 ms
TanStack Start	569.00 ms
Next.js	1113.00 ms

The chart includes a dotted median reference line calculated from the visible framework values.

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 data
Framework	%
Astro	91
SolidStart	91
SvelteKit	79
Next.js	72
Nuxt.js	65
React Router	61

The chart includes a dotted median reference line calculated from the visible framework values.

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 data
Framework	%
Astro	87
SvelteKit	77
Next.js	69
SolidStart	66
React Router	62
Nuxt.js	57

The chart includes a dotted median reference line calculated from the visible framework values.

Good First Contentful Paint

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

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 data
Framework	%
SolidStart	83
Astro	82
SvelteKit	71
React Router	70
Next.js	67
Nuxt.js	59

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 data
Framework	%
SolidStart	100
Astro	97
Nuxt.js	95
SvelteKit	94
Next.js	94
React Router	90

The chart includes a dotted median reference line calculated from the visible framework values.

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 data
Framework	%
SolidStart	90
Astro	77
SvelteKit	67
Next.js	51
Nuxt.js	45
React Router	41

The chart includes a dotted median reference line calculated from the visible framework values.

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 data
Framework	%
Astro	92
SvelteKit	81
Next.js	69
React Router	64
SolidStart	63
Nuxt.js	58

The chart includes a dotted median reference line calculated from the visible framework values.

Good First Contentful Paint

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

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 data
Framework	%
SolidStart	81
Astro	60
SvelteKit	58
React Router	53
Next.js	47
Nuxt.js	45

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 data
Framework	%
SolidStart	100
Astro	86
SvelteKit	75
Nuxt.js	65
Next.js	58
React Router	56

The chart includes a dotted median reference line calculated from the visible framework values.

Methodology: Core Web Vitals.