Next.js

Version 16.1.1 · Measured 7/4/2026

Dev Time Performance

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

Methodology: Dependency Counts.

Methodology: Node Modules Size.

Metric	Avg	Min	Max
Install	3.22s	2.79s	4.09s
Cold Build	5.11s	4.76s	5.54s
Warm Build	4.97s	4.60s	5.32s

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	348.6ms	348.42ms	16.34ms

Server Side Rendered Tests

Methodology: Server Side Rendered Tests.

Framework	First Paint	FCP	INP
Next.js	151ms	150.78ms	22.09ms

Server Side Throughput Tests

Methodology: Server Side Throughput Tests.

Framework	Ops/sec	Median Latency	Body Size	Duplication
Baseline HTML	848	1.199ms	96.83kb	1x
Next.js	212	4.833ms	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	1,677	100	18ms	39ms	97ms	49,383
Next.js	36	1	2181ms	4678ms	4748ms	990