SvelteKit

Version 2.49.4 · Measured 7/14/2026

Dev Time Performance

Prod Deps	Dev Deps	Dup. Deps	node_modules	node_modules (prod)	Dep Install Size	Graph
0	7	1	61.81MB	0.02MB	65.37MB	View

Methodology:Dependency Counts andNode Modules Size.

Metric	Avg	Min	Max
Install	1.17s	1.13s	1.23s
Cold Build	2.44s	2.33s	2.72s
Warm Build	2.38s	2.27s	2.44s

Dev time performance chart showing minimum, average, and maximum duration for pnpm install, cold build, and warm build.

Build output size:1.29MB

Methodology: Build and Install Times.

Browser Baseline

Framework	Baseline	Feature	Year	Features
SvelteKit	High	—	2020	40

Methodology: Browser Baseline.

Duplicate Dependencies

1 duplicate dependency detected across this starter's node_modules.

Methodology: Duplicate Dependencies.

View 1 duplicate dependency

• is-reference

  [duplicate dependency] is-reference has 2 installed versions:
  1.2.1 via the following 1 package(s) @rollup/plugin-commonjs@28.0.9
  3.0.3 via the following 1 package(s) svelte@5.46.3
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

Runtime Performance

Client Side Rendered Tests

Methodology: Client Side Rendered Tests.

Framework	First Paint	FCP	INP
SvelteKit	111.4ms	111.44ms	12.45ms

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
SvelteKit	81.4ms	81.44ms	16.18ms

Server Side Throughput Tests

Methodology: Server Side Throughput Tests.

Framework	Ops/sec	Median Latency	Body Size	Duplication
Baseline HTML	845	1.194ms	96.83kb	1x
SvelteKit	429	2.266ms	183.49kb	2x

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	1,668.6	200	19ms	41ms	103ms	48,928
SvelteKit	475.8	25	90ms	339ms	2590ms	14,785