TanStack Start

Version 1.145.3 · Measured 7/16/2026

Dev Time Performance

Deps Dev / Prod	All Deps	Dup. Deps	node_modules	node_modules (prod)	Dep Install Size	Graph
11 / 13	424	14	234.76MB	201.87MB	198.52MB	View

Methodology:Dependency Counts andNode Modules Size.

Metric	Avg	Min	Max
Install	1.97s	1.88s	2.04s
Cold Build	5.38s	5.17s	5.86s
Warm Build	5.31s	5.16s	5.45s

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

Build output size:2.05MB

Methodology: Build and Install Times.

Browser Baseline

Framework	Baseline	Feature	Year	Features
TanStack Start	High	—	2022	45

Methodology: Browser Baseline.

Duplicate Dependencies

14 duplicate dependencies detected across this starter's node_modules.

Methodology: Duplicate Dependencies.

View 14 duplicate dependencies

• lru-cache

  [duplicate dependency] lru-cache has 2 installed versions:
  11.2.6 via the following 4 package(s) unstorage@2.0.0-alpha.5, @asamuzakjp/dom-selector@6.8.1, @asamuzakjp/css-color@4.1.2, cssstyle@5.3.7
  5.1.1 via the following 1 package(s) @babel/helper-compilation-targets@7.28.6
  💡 Suggestions
  - Consider standardizing on version 11.2.6 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• @babel/code-frame

  [duplicate dependency] @babel/code-frame has 2 installed versions:
  7.27.1 via the following 1 package(s) @tanstack/start-plugin-core@1.145.3
  7.29.0 via the following 4 package(s) @babel/core@7.29.0, @babel/traverse@7.29.0, @babel/template@7.28.6, @testing-library/dom@10.4.1
  💡 Suggestions
  - Consider standardizing on version 7.29.0 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• js-tokens

  [duplicate dependency] js-tokens has 2 installed versions:
  4.0.0 via the following 2 package(s) @babel/code-frame@7.29.0, @babel/code-frame@7.27.1
  9.0.1 via the following 1 package(s) strip-literal@3.1.0
  💡 Suggestions
  - Consider standardizing on version 4.0.0 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• @tanstack/devtools-client

  [duplicate dependency] @tanstack/devtools-client has 2 installed versions:
  0.0.3 via the following 1 package(s) @tanstack/devtools@0.7.0
  0.0.5 via the following 1 package(s) @tanstack/devtools-vite@0.3.12
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• @tanstack/devtools-event-client

  [duplicate dependency] @tanstack/devtools-event-client has 2 installed versions:
  0.3.5 via the following 1 package(s) @tanstack/devtools-client@0.0.3
  0.4.0 via the following 1 package(s) @tanstack/devtools-client@0.0.5
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• picomatch

  [duplicate dependency] picomatch has 2 installed versions:
  4.0.3 via the following 6 package(s) fdir@6.5.0, vite@7.3.0, tinyglobby@0.2.15, unplugin@2.3.11, @tanstack/devtools-vite@0.3.12, vitest@3.2.4
  2.3.1 via the following 2 package(s) anymatch@3.1.3, readdirp@3.6.0
  💡 Suggestions
  - Consider standardizing on version 4.0.3 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• @tanstack/router-utils

  [duplicate dependency] @tanstack/router-utils has 2 installed versions:
  1.158.0 via the following 1 package(s) @tanstack/react-start@1.145.3
  1.143.11 via the following 3 package(s) @tanstack/router-generator@1.145.2, @tanstack/router-plugin@1.145.2, @tanstack/start-plugin-core@1.145.3
  💡 Suggestions
  - Consider standardizing on version 1.143.11 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• source-map

  [duplicate dependency] source-map has 2 installed versions:
  0.7.6 via the following 1 package(s) @tanstack/router-generator@1.145.2
  0.6.1 via the following 1 package(s) recast@0.23.11
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• @rolldown/pluginutils

  [duplicate dependency] @rolldown/pluginutils has 2 installed versions:
  1.0.0-beta.40 via the following 1 package(s) @tanstack/start-plugin-core@1.145.3
  1.0.0-beta.53 via the following 1 package(s) @vitejs/plugin-react@5.1.2
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• srvx

  [duplicate dependency] srvx has 2 installed versions:
  0.10.1 via the following 3 package(s) @tanstack/start-plugin-core@1.145.3, crossws@0.4.4, nitro@3.0.1-alpha.2
  0.11.4 via the following 1 package(s) h3@2.0.1-rc.14
  💡 Suggestions
  - Consider standardizing on version 0.10.1 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• parse5

  [duplicate dependency] parse5 has 2 installed versions:
  7.3.0 via the following 3 package(s) cheerio@1.2.0, parse5-htmlparser2-tree-adapter@7.1.0, parse5-parser-stream@7.1.2
  8.0.0 via the following 1 package(s) jsdom@27.4.0
  💡 Suggestions
  - Consider standardizing on version 7.3.0 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• whatwg-mimetype

  [duplicate dependency] whatwg-mimetype has 2 installed versions:
  4.0.0 via the following 2 package(s) cheerio@1.2.0, jsdom@27.4.0
  5.0.0 via the following 1 package(s) data-urls@6.0.1
  💡 Suggestions
  - Consider standardizing on version 4.0.0 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• entities

  [duplicate dependency] entities has 3 installed versions:
  4.5.0 via the following 1 package(s) dom-serializer@2.0.0
  7.0.1 via the following 1 package(s) htmlparser2@10.1.0
  6.0.1 via the following 2 package(s) parse5@7.3.0, parse5@8.0.0
  💡 Suggestions
  - Consider standardizing on version 6.0.1 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• h3

  [duplicate dependency] h3 has 2 installed versions:
  2.0.1-rc.14 via the following 1 package(s) nitro@3.0.1-alpha.2
  2.0.1-rc.7 via the following 0 package(s) 
  💡 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
TanStack Start	159.6ms	159.45ms	28.67ms

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
TanStack Start	128.6ms	128.38ms	31.34ms

Server Side Throughput Tests

Methodology: Server Side Throughput Tests.

Framework	Ops/sec	Median Latency	Body Size	Duplication
Baseline HTML	825	1.2ms	96.83kb	1x
TanStack Start	302	3.29ms	193.62kb	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	1,652	200	18ms	43ms	98ms	48,934
TanStack Start	41.6	10	4068ms	4292ms	4483ms	1,268