Run Time Stats
Client Side Rendered Tests
Section titled “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 | 185.4ms | 185.23ms | 0ms |
| Next.js | 342.8ms | 342.94ms | 0ms |
| Nuxt | 225.8ms | 225.82ms | 0ms |
| React Router | 172.6ms | 172.41ms | 0ms |
| SolidStart | 195.2ms | 195.12ms | 0ms |
| SvelteKit | 168.6ms | 168.59ms | 0ms |
| TanStack Start | 229.2ms | 229.08ms | 0ms |
First Paint (ms)
| Framework | Milliseconds |
|---|---|
| SvelteKit | 168.60 ms |
| React Router | 172.60 ms |
| Astro | 185.40 ms |
| SolidStart | 195.20 ms |
| Nuxt | 225.80 ms |
| TanStack Start | 229.20 ms |
| Next.js | 342.80 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
First Contentful Paint (ms)
| Framework | Milliseconds |
|---|---|
| SvelteKit | 168.59 ms |
| React Router | 172.41 ms |
| Astro | 185.23 ms |
| SolidStart | 195.12 ms |
| Nuxt | 225.82 ms |
| TanStack Start | 229.08 ms |
| Next.js | 342.94 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Interaction to Next Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 0.00 ms |
| Next.js | 0.00 ms |
| Nuxt | 0.00 ms |
| React Router | 0.00 ms |
| SolidStart | 0.00 ms |
| SvelteKit | 0.00 ms |
| TanStack Start | 0.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Server Side Rendered Tests
Section titled “Server Side Rendered Tests”Methodology: Server Side Rendered Tests.
| Framework | First Paint | FCP | INP |
|---|---|---|---|
| Astro | 117ms | 116.99ms | 0ms |
| Mastro | 145.6ms | 145.62ms | 0ms |
| Next.js | 178ms | 178.12ms | 0ms |
| Nuxt | 162.2ms | 162.25ms | 0ms |
| React Router | 163ms | 162.98ms | 0ms |
| SolidStart | 145.6ms | 145.72ms | 0ms |
| SvelteKit | 139.8ms | 139.75ms | 0ms |
| TanStack Start | 177ms | 177.04ms | 0ms |
First Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 117.00 ms |
| SvelteKit | 139.80 ms |
| Mastro | 145.60 ms |
| SolidStart | 145.60 ms |
| Nuxt | 162.20 ms |
| React Router | 163.00 ms |
| TanStack Start | 177.00 ms |
| Next.js | 178.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
First Contentful Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 116.99 ms |
| SvelteKit | 139.75 ms |
| Mastro | 145.62 ms |
| SolidStart | 145.72 ms |
| Nuxt | 162.25 ms |
| React Router | 162.98 ms |
| TanStack Start | 177.04 ms |
| Next.js | 178.12 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Interaction to Next Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 0.00 ms |
| Mastro | 0.00 ms |
| Next.js | 0.00 ms |
| Nuxt | 0.00 ms |
| React Router | 0.00 ms |
| SolidStart | 0.00 ms |
| SvelteKit | 0.00 ms |
| TanStack Start | 0.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Server Side Throughput Tests
Section titled “Server Side Throughput Tests”Methodology: Server Side Throughput Tests.
| Framework | Ops/sec | Median Latency | Body Size | Duplication |
|---|---|---|---|---|
| Baseline HTML | 851 | 1.201ms | 96.83kb | 1x |
| Astro | 671 | 1.425ms | 96.89kb | 1x |
| Mastro | 343 | 2.882ms | 327.46kb | 1.5x |
| Next.js | 232 | 4.484ms | 199.52kb | 2x |
| Nuxt | 351 | 2.755ms | 201.27kb | 2x |
| React Router | 343 | 2.891ms | 211.63kb | 2x |
| SolidStart | 408 | 2.449ms | 230.24kb | 2x |
| SvelteKit | 460 | 2.106ms | 183.53kb | 2x |
| TanStack Start | 319 | 3.091ms | 193.62kb | 2x |
Ops/sec
| Framework | Operations per second |
|---|---|
| Baseline HTML | 851 |
| Astro | 671 |
| SvelteKit | 460 |
| SolidStart | 408 |
| Nuxt | 351 |
| Mastro | 343 |
| React Router | 343 |
| TanStack Start | 319 |
| Next.js | 232 |
The chart includes a dotted median reference line calculated from the visible framework values.
Body Size
| Framework | Kilobytes |
|---|---|
| Baseline HTML | 96.83 KB |
| Astro | 96.89 KB |
| SvelteKit | 183.53 KB |
| TanStack Start | 193.62 KB |
| Next.js | 199.52 KB |
| Nuxt | 201.27 KB |
| React Router | 211.63 KB |
| SolidStart | 230.24 KB |
| Mastro | 327.46 KB |
The chart includes a dotted median reference line calculated from the visible framework values.
Median Latency
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 1.20 ms |
| Astro | 1.43 ms |
| SvelteKit | 2.11 ms |
| SolidStart | 2.45 ms |
| Nuxt | 2.75 ms |
| Mastro | 2.88 ms |
| React Router | 2.89 ms |
| TanStack Start | 3.09 ms |
| Next.js | 4.48 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Server Side Load Test
Section titled “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 | 1,594.4 | 100 | 21ms | 44ms | 109ms | 47,097 |
| Astro | 1,176 | 100 | 36ms | 67ms | 331ms | 35,445 |
| Mastro | 577.6 | 25 | 47ms | 169ms | 1447ms | 18,080 |
| Next.js | 37 | 5 | 2120ms | 4793ms | 4766ms | 1,041 |
| Nuxt | 67.6 | 5 | 2002ms | 4191ms | 4416ms | 2,142 |
| React Router | 163 | 25 | 356ms | 1942ms | 4002ms | 5,423 |
| SolidStart | 62 | 5 | 3317ms | 4176ms | 4097ms | 2,010 |
| SvelteKit | 473.8 | 25 | 88ms | 344ms | 2614ms | 15,278 |
| TanStack Start | 43.6 | 5 | 3847ms | 3890ms | 4335ms | 1,340 |
P99 Latency
Section titled “P99 Latency”P99 Latency at 25 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 21.00 ms |
| Astro | 36.00 ms |
| Mastro | 47.00 ms |
| SvelteKit | 88.00 ms |
| React Router | 356.00 ms |
| Nuxt | 2002.00 ms |
| Next.js | 2120.00 ms |
| SolidStart | 3317.00 ms |
| TanStack Start | 3847.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P99 Latency at 50 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 44.00 ms |
| Astro | 67.00 ms |
| Mastro | 169.00 ms |
| SvelteKit | 344.00 ms |
| React Router | 1942.00 ms |
| TanStack Start | 3890.00 ms |
| SolidStart | 4176.00 ms |
| Nuxt | 4191.00 ms |
| Next.js | 4793.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P99 Latency at 100 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 109.00 ms |
| Astro | 331.00 ms |
| Mastro | 1447.00 ms |
| SvelteKit | 2614.00 ms |
| React Router | 4002.00 ms |
| SolidStart | 4097.00 ms |
| TanStack Start | 4335.00 ms |
| Nuxt | 4416.00 ms |
| Next.js | 4766.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P90 Latency
Section titled “P90 Latency”P90 Latency at 25 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 18.00 ms |
| Astro | 23.00 ms |
| Mastro | 44.00 ms |
| SvelteKit | 63.00 ms |
| React Router | 156.00 ms |
| Nuxt | 371.00 ms |
| SolidStart | 531.00 ms |
| TanStack Start | 739.00 ms |
| Next.js | 770.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P90 Latency at 50 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 33.00 ms |
| Astro | 43.00 ms |
| Mastro | 90.00 ms |
| SvelteKit | 135.00 ms |
| React Router | 327.00 ms |
| Nuxt | 489.00 ms |
| SolidStart | 591.00 ms |
| TanStack Start | 914.00 ms |
| Next.js | 2542.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P90 Latency at 100 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 77.00 ms |
| Astro | 87.00 ms |
| Mastro | 194.00 ms |
| SvelteKit | 236.00 ms |
| React Router | 391.00 ms |
| SolidStart | 601.00 ms |
| Nuxt | 741.00 ms |
| TanStack Start | 1317.00 ms |
| Next.js | 2986.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P75 Latency
Section titled “P75 Latency”P75 Latency at 25 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 17.00 ms |
| Astro | 21.00 ms |
| Mastro | 43.00 ms |
| SvelteKit | 56.00 ms |
| React Router | 151.00 ms |
| SolidStart | 351.00 ms |
| Nuxt | 363.00 ms |
| TanStack Start | 533.00 ms |
| Next.js | 733.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P75 Latency at 50 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 32.00 ms |
| Astro | 42.00 ms |
| Mastro | 87.00 ms |
| SvelteKit | 112.00 ms |
| React Router | 299.00 ms |
| SolidStart | 344.00 ms |
| Nuxt | 475.00 ms |
| TanStack Start | 550.00 ms |
| Next.js | 1130.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P75 Latency at 100 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 64.00 ms |
| Astro | 84.00 ms |
| SvelteKit | 157.00 ms |
| Mastro | 177.00 ms |
| SolidStart | 318.00 ms |
| React Router | 374.00 ms |
| Nuxt | 457.00 ms |
| TanStack Start | 487.00 ms |
| Next.js | 1205.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
Core Web Vitals
Section titled “Core Web Vitals”CWV Desktop
Section titled “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.
| 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.
| 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.
| Framework | % |
|---|---|
| Astro | 91 |
| SolidStart | 91 |
| SvelteKit | 78 |
| Next.js | 76 |
| Nuxt.js | 67 |
| React Router | 66 |
The chart includes a dotted median reference line calculated from the visible framework values.
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.
| Framework | % |
|---|---|
| SolidStart | 83 |
| Astro | 82 |
| SvelteKit | 71 |
| React Router | 70 |
| Next.js | 67 |
| Nuxt.js | 59 |
The chart includes a dotted median reference line calculated from the visible framework values.
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.
| 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
Section titled “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.
| 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.
| 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.
| Framework | % |
|---|---|
| SolidStart | 90 |
| Astro | 71 |
| SvelteKit | 60 |
| Next.js | 50 |
| Nuxt.js | 43 |
| React Router | 41 |
The chart includes a dotted median reference line calculated from the visible framework values.
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.
| Framework | % |
|---|---|
| SolidStart | 81 |
| Astro | 60 |
| SvelteKit | 58 |
| React Router | 53 |
| Next.js | 47 |
| Nuxt.js | 45 |
The chart includes a dotted median reference line calculated from the visible framework values.
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.
| 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.