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 |
|---|---|---|
| Astro | 174ms | 174.14ms |
| Next.js | 372ms | 372.05ms |
| Nuxt | 239.6ms | 239.46ms |
| React Router | 234.2ms | 234.01ms |
| SolidStart | 191.2ms | 191.13ms |
| SvelteKit | 219.2ms | 219.08ms |
| TanStack Start | 209.8ms | 209.65ms |
First Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 174.00 ms |
| SolidStart | 191.20 ms |
| TanStack Start | 209.80 ms |
| SvelteKit | 219.20 ms |
| React Router | 234.20 ms |
| Nuxt | 239.60 ms |
| Next.js | 372.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
First Contentful Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 174.14 ms |
| SolidStart | 191.13 ms |
| TanStack Start | 209.65 ms |
| SvelteKit | 219.08 ms |
| React Router | 234.01 ms |
| Nuxt | 239.46 ms |
| Next.js | 372.05 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 |
|---|---|---|
| Astro | 124.6ms | 124.71ms |
| Mastro | 126ms | 125.85ms |
| Next.js | 176.8ms | 176.92ms |
| Nuxt | 157.4ms | 157.75ms |
| React Router | 162.6ms | 162.65ms |
| SolidStart | 155.8ms | 155.87ms |
| SvelteKit | 147.8ms | 147.73ms |
| TanStack Start | 169ms | 169.09ms |
First Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 124.60 ms |
| Mastro | 126.00 ms |
| SvelteKit | 147.80 ms |
| SolidStart | 155.80 ms |
| Nuxt | 157.40 ms |
| React Router | 162.60 ms |
| TanStack Start | 169.00 ms |
| Next.js | 176.80 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
First Contentful Paint (ms)
| Framework | Milliseconds |
|---|---|
| Astro | 124.71 ms |
| Mastro | 125.85 ms |
| SvelteKit | 147.73 ms |
| SolidStart | 155.87 ms |
| Nuxt | 157.75 ms |
| React Router | 162.65 ms |
| TanStack Start | 169.09 ms |
| Next.js | 176.92 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 | 830 | 1.203ms | 96.83kb | 1x |
| Astro | 672 | 1.432ms | 96.89kb | 1x |
| Mastro | 273 | 3.572ms | 327.46kb | 1.5x |
| Next.js | 233 | 4.498ms | 199.57kb | 2x |
| Nuxt | 366 | 2.642ms | 201.27kb | 2x |
| React Router | 350 | 2.83ms | 211.63kb | 2x |
| SolidStart | 425 | 2.271ms | 224.17kb | 2x |
| SvelteKit | 449 | 2.157ms | 183.53kb | 2x |
| TanStack Start | 326 | 3.038ms | 193.62kb | 2x |
Ops/sec
| Framework | Operations per second |
|---|---|
| Baseline HTML | 830 |
| Astro | 672 |
| SvelteKit | 449 |
| SolidStart | 425 |
| Nuxt | 366 |
| React Router | 350 |
| TanStack Start | 326 |
| Mastro | 273 |
| Next.js | 233 |
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 | 199.57 KB |
| Nuxt | 201.27 KB |
| React Router | 211.63 KB |
| SolidStart | 224.17 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 | 2.16 ms |
| SolidStart | 2.27 ms |
| Nuxt | 2.64 ms |
| React Router | 2.83 ms |
| TanStack Start | 3.04 ms |
| Mastro | 3.57 ms |
| Next.js | 4.50 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 | 1,582.6 | 100 | 19ms | 43ms | 117ms | 47,202 |
| Astro | 1,211.6 | 25 | 34ms | 77ms | 250ms | 36,451 |
| Mastro | 565 | 25 | 46ms | 194ms | 1506ms | 17,853 |
| Next.js | 37 | 5 | 2159ms | 4655ms | 4693ms | 1,032 |
| Nuxt | 63.8 | 25 | 2095ms | 4134ms | 4454ms | 2,062 |
| React Router | 168.6 | 25 | 187ms | 1808ms | 4079ms | 5,529 |
| SolidStart | 61.2 | 25 | 3017ms | 4269ms | 4243ms | 1,942 |
| SvelteKit | 464 | 25 | 89ms | 526ms | 2612ms | 15,000 |
| TanStack Start | 43.2 | 5 | 4041ms | 4320ms | 4365ms | 1,325 |
P99 Latency
Section titled “P99 Latency”P99 Latency at 25 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 19.00 ms |
| Astro | 34.00 ms |
| Mastro | 46.00 ms |
| SvelteKit | 89.00 ms |
| React Router | 187.00 ms |
| Nuxt | 2095.00 ms |
| Next.js | 2159.00 ms |
| SolidStart | 3017.00 ms |
| TanStack Start | 4041.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P99 Latency at 50 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 43.00 ms |
| Astro | 77.00 ms |
| Mastro | 194.00 ms |
| SvelteKit | 526.00 ms |
| React Router | 1808.00 ms |
| Nuxt | 4134.00 ms |
| SolidStart | 4269.00 ms |
| TanStack Start | 4320.00 ms |
| Next.js | 4655.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P99 Latency at 100 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 117.00 ms |
| Astro | 250.00 ms |
| Mastro | 1506.00 ms |
| SvelteKit | 2612.00 ms |
| React Router | 4079.00 ms |
| SolidStart | 4243.00 ms |
| TanStack Start | 4365.00 ms |
| Nuxt | 4454.00 ms |
| Next.js | 4693.00 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 | 22.00 ms |
| Mastro | 45.00 ms |
| SvelteKit | 64.00 ms |
| React Router | 152.00 ms |
| Nuxt | 398.00 ms |
| SolidStart | 594.00 ms |
| Next.js | 759.00 ms |
| TanStack Start | 837.00 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 | 94.00 ms |
| SvelteKit | 141.00 ms |
| React Router | 297.00 ms |
| Nuxt | 520.00 ms |
| SolidStart | 657.00 ms |
| TanStack Start | 703.00 ms |
| Next.js | 2432.00 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 | 86.00 ms |
| Mastro | 196.00 ms |
| SvelteKit | 212.00 ms |
| React Router | 402.00 ms |
| Nuxt | 737.00 ms |
| SolidStart | 837.00 ms |
| TanStack Start | 1557.00 ms |
| Next.js | 2894.00 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 | 44.00 ms |
| SvelteKit | 58.00 ms |
| React Router | 147.00 ms |
| SolidStart | 351.00 ms |
| Nuxt | 384.00 ms |
| TanStack Start | 526.00 ms |
| Next.js | 740.00 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 | 90.00 ms |
| SvelteKit | 117.00 ms |
| React Router | 291.00 ms |
| SolidStart | 385.00 ms |
| Nuxt | 474.00 ms |
| TanStack Start | 544.00 ms |
| Next.js | 1116.00 ms |
The chart includes a dotted median reference line calculated from the visible framework values.
P75 Latency at 100 Connections
| Framework | Milliseconds |
|---|---|
| Baseline HTML | 65.00 ms |
| Astro | 82.00 ms |
| SvelteKit | 173.00 ms |
| Mastro | 177.00 ms |
| React Router | 380.00 ms |
| SolidStart | 442.00 ms |
| Nuxt | 471.00 ms |
| TanStack Start | 634.00 ms |
| Next.js | 1118.00 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.