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	128.8ms	128.83ms	4.84ms
Next.js	341.6ms	341.48ms	17.79ms
Nuxt	159.8ms	160.05ms	9.74ms
React Router	266.2ms	266.09ms	26.73ms
SolidStart	172.8ms	172.95ms	24.05ms
SvelteKit	224.6ms	224.67ms	17.24ms
TanStack Start	253.2ms	253.25ms	44.3ms

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	80.6ms	80.75ms	0.77ms
Next.js	173.6ms	173.76ms	18.52ms
Nuxt	170ms	170ms	11.39ms
React Router	165.4ms	165.27ms	22ms
SolidStart	102.8ms	102.75ms	16.27ms
SvelteKit	134.2ms	134.18ms	13.37ms
TanStack Start	202.4ms	202.47ms	27.38ms

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	831	1.195ms	96.83kb	1x
Astro	598	1.609ms	99.82kb	1x
Mastro	515	1.912ms	181.95kb	1x
Next.js	210	4.837ms	199.57kb	2x
Nuxt	352	2.758ms	201.27kb	2x
React Router	245	3.947ms	211.63kb	2x
SolidStart	388	2.566ms	230.24kb	2x
SvelteKit	319	2.968ms	183.49kb	2x
TanStack Start	312	3.182ms	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	971.8	25	40ms	79ms	859ms	30,586
Astro	564	25	55ms	262ms	2509ms	17,344
Next.js	27	5	2886ms	4816ms	4979ms	706
Nuxt	51.6	5	3003ms	4313ms	4324ms	1,595
React Router	155	10	217ms	2047ms	3995ms	5,080
SolidStart	59.4	10	3909ms	4033ms	4005ms	1,904
SvelteKit	470.8	25	85ms	432ms	2487ms	15,227
TanStack Start	43.4	5	3702ms	4025ms	4533ms	1,340

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.