Next.js

Version 16.1.1 · Measured 7/16/2026

Dev Time Performance

Deps Dev / Prod	All Deps	Dup. Deps	node_modules	node_modules (prod)	Dep Install Size	Graph
6 / 3	421	12	560.04MB	436.00MB	506.22MB	View

Methodology:Dependency Counts andNode Modules Size.

Metric	Avg	Min	Max
Install	3.14s	2.99s	3.53s
Cold Build	5.15s	4.98s	5.52s
Warm Build	5.12s	4.86s	5.64s

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

Build output size:6.22MB

Methodology: Build and Install Times.

Browser Baseline

Framework	Baseline	Feature	Year	Features
Next.js	High	—	2022	46

Methodology: Browser Baseline.

Unnecessary Core-JS Polyfills

302 core-js polyfill modules are bundled but already natively supported by the last 2 major versions of Chrome, Firefox, Safari, and Edge — code users download even though their browser already supports it natively. The containing chunk is approximately 110.0 KB (chunk size, not isolated core-js bytes).

Methodology: Core-JS Polyfills.

View 302 unnecessary modules by category

• es.typed-array.*39
• es.array.*37
• es.string.*36
• es.object.*28
• es.math.*18
• web.*17
• es.symbol.*15
• es.reflect.*14
• es.number.*13
• es.date.*8
• esnext.array.*8
• es.regexp.*7
• esnext.set.*7
• es.array-buffer.*6
• esnext.typed-array.*6
• es.promise.*5
• es.set.*5
• esnext.string.*4
• es.function.*3
• esnext.array-buffer.*3
• esnext.promise.*3
• es.error.*2
• es.aggregate-error.*2
• es.map.*2
• esnext.object.*2
• es.data-view.*1
• es.escape.*1
• es.global-this.*1
• es.json.*1
• es.parse-float.*1
• es.parse-int.*1
• es.unescape.*1
• es.weak-map.*1
• es.weak-set.*1
• esnext.aggregate-error.*1
• esnext.global-this.*1
• esnext.map.*1

Duplicate Dependencies

12 duplicate dependencies detected across this starter's node_modules.

Methodology: Duplicate Dependencies.

View 12 duplicate dependencies

• debug

  [duplicate dependency] debug has 2 installed versions:
  4.4.3 via the following 10 package(s) @babel/traverse@7.29.0, @babel/core@7.29.0, @eslint/config-array@0.21.1, @eslint/eslintrc@3.3.3, eslint@9.39.2, eslint-import-resolver-typescript@3.10.1, @typescript-eslint/project-service@8.55.0, @typescript-eslint/typescript-estree@8.55.0, @typescript-eslint/parser@8.55.0, @typescript-eslint/type-utils@8.55.0
  3.2.7 via the following 3 package(s) eslint-import-resolver-node@0.3.9, eslint-plugin-import@2.32.0, eslint-module-utils@2.12.1
  💡 Suggestions
  - Consider standardizing on version 4.4.3 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• json5

  [duplicate dependency] json5 has 2 installed versions:
  2.2.3 via the following 1 package(s) @babel/core@7.29.0
  1.0.2 via the following 1 package(s) tsconfig-paths@3.15.0
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• semver

  [duplicate dependency] semver has 2 installed versions:
  6.3.1 via the following 4 package(s) @babel/helper-compilation-targets@7.28.6, @babel/core@7.29.0, eslint-plugin-import@2.32.0, eslint-plugin-react@7.37.5
  7.7.4 via the following 3 package(s) sharp@0.34.5, is-bun-module@2.0.0, @typescript-eslint/typescript-estree@8.55.0
  💡 Suggestions
  - Consider standardizing on version 6.3.1 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• eslint-visitor-keys

  [duplicate dependency] eslint-visitor-keys has 2 installed versions:
  3.4.3 via the following 1 package(s) @eslint-community/eslint-utils@4.9.1
  4.2.1 via the following 3 package(s) espree@10.4.0, eslint@9.39.2, @typescript-eslint/visitor-keys@8.55.0
  💡 Suggestions
  - Consider standardizing on version 4.2.1 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• minimatch

  [duplicate dependency] minimatch has 2 installed versions:
  3.1.2 via the following 6 package(s) @eslint/config-array@0.21.1, @eslint/eslintrc@3.3.3, eslint@9.39.2, eslint-plugin-import@2.32.0, eslint-plugin-jsx-a11y@6.10.2, eslint-plugin-react@7.37.5
  9.0.5 via the following 1 package(s) @typescript-eslint/typescript-estree@8.55.0
  💡 Suggestions
  - Consider standardizing on version 3.1.2 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• globals

  [duplicate dependency] globals has 2 installed versions:
  14.0.0 via the following 1 package(s) @eslint/eslintrc@3.3.3
  16.4.0 via the following 1 package(s) eslint-config-next@16.1.1
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• ignore

  [duplicate dependency] ignore has 2 installed versions:
  5.3.2 via the following 2 package(s) @eslint/eslintrc@3.3.3, eslint@9.39.2
  7.0.5 via the following 1 package(s) @typescript-eslint/eslint-plugin@8.55.0
  💡 Suggestions
  - Consider standardizing on version 5.3.2 as this version is the most commonly used.
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• postcss

  [duplicate dependency] postcss has 2 installed versions:
  8.5.6 via the following 1 package(s) @tailwindcss/postcss@4.1.18
  8.4.31 via the following 1 package(s) next@16.1.1
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• brace-expansion

  [duplicate dependency] brace-expansion has 2 installed versions:
  1.1.12 via the following 1 package(s) minimatch@3.1.2
  2.0.2 via the following 1 package(s) minimatch@9.0.5
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• resolve

  [duplicate dependency] resolve has 2 installed versions:
  1.22.11 via the following 1 package(s) eslint-import-resolver-node@0.3.9
  2.0.0-next.5 via the following 1 package(s) eslint-plugin-react@7.37.5
  💡 Suggestions
  - Consider upgrading consuming packages as this may resolve this duplicate version.
  

• glob-parent

  [duplicate dependency] glob-parent has 2 installed versions:
  6.0.2 via the following 1 package(s) eslint@9.39.2
  5.1.2 via the following 1 package(s) fast-glob@3.3.1
  💡 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 2 package(s) fdir@6.5.0, tinyglobby@0.2.15
  2.3.1 via the following 1 package(s) micromatch@4.0.8
  💡 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.
  

Runtime Performance

Client Side Rendered Tests

Methodology: Client Side Rendered Tests.

Framework	First Paint	FCP	INP
Next.js	349.8ms	349.54ms	19.28ms

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
Next.js	141.6ms	141.5ms	17.94ms

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
Next.js	217	4.813ms	199.57kb	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
Next.js	38	5	2189ms	4721ms	4760ms	1,034