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	121.2ms	121.13ms	5.23ms
Next.js	384.4ms	384.22ms	17.71ms
Nuxt	179.4ms	179.38ms	13.51ms
React Router	251.8ms	251.55ms	17.79ms
SolidStart	125.8ms	125.58ms	19.14ms
SvelteKit	158.2ms	158.08ms	15.3ms
TanStack Start	197.8ms	197.86ms	29.17ms

First Paint (ms)

First Paint (ms) data
Framework	Milliseconds
Astro	121.20 ms
SolidStart	125.80 ms
SvelteKit	158.20 ms
Nuxt	179.40 ms
TanStack Start	197.80 ms
React Router	251.80 ms
Next.js	384.40 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
Astro	121.13 ms
SolidStart	125.58 ms
SvelteKit	158.08 ms
Nuxt	179.38 ms
TanStack Start	197.86 ms
React Router	251.55 ms
Next.js	384.22 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	5.23 ms
Nuxt	13.51 ms
SvelteKit	15.30 ms
Next.js	17.71 ms
React Router	17.79 ms
SolidStart	19.14 ms
TanStack Start	29.17 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	89.8ms	89.73ms	5.28ms
Next.js	165.2ms	164.84ms	19.64ms
Nuxt	122.6ms	122.45ms	10.34ms
React Router	155ms	155.1ms	17.41ms
SolidStart	128.6ms	128.47ms	16.36ms
SvelteKit	125.6ms	125.67ms	16.9ms
TanStack Start	122ms	121.92ms	30.4ms

First Paint (ms)

First Paint (ms) data
Framework	Milliseconds
Astro	89.80 ms
TanStack Start	122.00 ms
Nuxt	122.60 ms
SvelteKit	125.60 ms
SolidStart	128.60 ms
React Router	155.00 ms
Next.js	165.20 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
Astro	89.73 ms
TanStack Start	121.92 ms
Nuxt	122.45 ms
SvelteKit	125.67 ms
SolidStart	128.47 ms
React Router	155.10 ms
Next.js	164.84 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	5.28 ms
Nuxt	10.34 ms
SolidStart	16.36 ms
SvelteKit	16.90 ms
React Router	17.41 ms
Next.js	19.64 ms
TanStack Start	30.40 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	850	1.201ms	96.83kb	1x
Astro	538	1.781ms	99.82kb	1x
Mastro	515	1.912ms	181.95kb	1x
Next.js	226	4.642ms	199.57kb	2x
Nuxt	358	2.717ms	201.27kb	2x
React Router	347	2.86ms	211.63kb	2x
SolidStart	395	2.584ms	230.24kb	2x
SvelteKit	440	2.218ms	183.53kb	2x
TanStack Start	312	3.175ms	193.62kb	2x

Ops/sec

Ops/sec data
Framework	Operations per second
Baseline HTML	850
Astro	538
Mastro	515
SvelteKit	440
SolidStart	395
Nuxt	358
React Router	347
TanStack Start	312
Next.js	226

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	1.78 ms
Mastro	1.91 ms
SvelteKit	2.22 ms
SolidStart	2.58 ms
Nuxt	2.72 ms
React Router	2.86 ms
TanStack Start	3.17 ms
Next.js	4.64 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	1,677.6	100	18ms	37ms	100ms	49,515
Astro	739.2	50	52ms	91ms	1284ms	22,979
Next.js	35.8	5	2179ms	4713ms	4725ms	986
Nuxt	66.8	5	2023ms	4063ms	4342ms	2,124
React Router	164.4	25	352ms	1870ms	3974ms	5,359
SolidStart	61.6	10	3415ms	4017ms	4196ms	1,981
SvelteKit	489	25	83ms	336ms	2528ms	15,277
TanStack Start	42.8	5	3801ms	4748ms	4443ms	1,305

P99 Latency

P99 Latency at 25 Connections

P99 Latency at 25 Connections data
Framework	Milliseconds
Baseline HTML	18.00 ms
Astro	52.00 ms
SvelteKit	83.00 ms
React Router	352.00 ms
Nuxt	2023.00 ms
Next.js	2179.00 ms
SolidStart	3415.00 ms
TanStack Start	3801.00 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	37.00 ms
Astro	91.00 ms
SvelteKit	336.00 ms
React Router	1870.00 ms
SolidStart	4017.00 ms
Nuxt	4063.00 ms
Next.js	4713.00 ms
TanStack Start	4748.00 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	1284.00 ms
SvelteKit	2528.00 ms
React Router	3974.00 ms
SolidStart	4196.00 ms
Nuxt	4342.00 ms
TanStack Start	4443.00 ms
Next.js	4725.00 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	62.00 ms
React Router	154.00 ms
Nuxt	377.00 ms
SolidStart	593.00 ms
TanStack Start	697.00 ms
Next.js	799.00 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	31.00 ms
Astro	67.00 ms
SvelteKit	139.00 ms
React Router	329.00 ms
Nuxt	511.00 ms
SolidStart	524.00 ms
TanStack Start	794.00 ms
Next.js	2557.00 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	65.00 ms
Astro	157.00 ms
SvelteKit	237.00 ms
React Router	406.00 ms
SolidStart	618.00 ms
Nuxt	623.00 ms
TanStack Start	1473.00 ms
Next.js	2915.00 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	151.00 ms
SolidStart	346.00 ms
Nuxt	371.00 ms
TanStack Start	615.00 ms
Next.js	778.00 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	66.00 ms
SvelteKit	117.00 ms
React Router	301.00 ms
SolidStart	337.00 ms
Nuxt	451.00 ms
TanStack Start	551.00 ms
Next.js	1177.00 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	138.00 ms
SvelteKit	180.00 ms
SolidStart	344.00 ms
React Router	373.00 ms
Nuxt	487.00 ms
TanStack Start	495.00 ms
Next.js	1198.00 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.