Comparison

Puppeteer vs Testing Library

On the evidence we track, Puppeteer leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Puppeteer full profile →Testing Library full profile →

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★Puppeteer72

Testing Library65

Attribute comparison across 2 tools
Attribute	PuppeteerLeader	Testing Library
vioscaleAI score	72 / 100medium · 66%	65 / 100high · 77%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	open_source
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	5	12
Security
Scorecardsecurity.scorecard	7.9	5
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=puppeteer&per_page=100 · Last 12m: 0 · Max severity: MODERATE	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40testing-library%2Fdom&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	144,056	1,412,044
Github starsadoption.github_stars	95,682	3,336
Package downloads weeklyadoption.package_downloads_weekly	11,510,272	85,960,772
Activity
Commits last 30dactivity.commits_last_30d	74	1
Release
Cadence daysrelease.cadence_days	-	15
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	TypeScript	JavaScript
Content
Faqcontent.faq	6 items	5 items

Score

vioscaleAI score

Puppeteer72 / 100medium · 66%

Testing Library65 / 100high · 77%

Pricing

Free tier

Puppeteer✓

Testing Library✓

Model

Puppeteeropen_source

Testing Libraryopen_source

Price level

Puppeteerfree

Testing Libraryfree

Transparent

Puppeteer✓

Testing Library✓

Integrations

Count

Puppeteer5

Testing Library12

Security

Scorecard

Puppeteer7.9

Testing Library5

Vulnerabilities

PuppeteerCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=puppeteer&per_page=100 · Last 12m: 0 · Max severity: MODERATE

Testing LibraryCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40testing-library%2Fdom&per_page=100 · Last 12m: 0

Adoption

Dependent repos

Puppeteer144,056

Testing Library1,412,044

Github stars

Puppeteer95,682

Testing Library3,336

Package downloads weekly

Puppeteer11,510,272

Testing Library85,960,772

Activity

Commits last 30d

Puppeteer74

Testing Library1

Release

Cadence days

Puppeteer–

Testing Library15

History

Puppeteer20 items

Testing Library20 items

License

Spdx

PuppeteerApache-2.0

Testing LibraryMIT

Language

Primary

PuppeteerTypeScript

Testing LibraryJavaScript

Content

Faq

Puppeteer6 items

Testing Library5 items

Capabilities

Feature-by-feature on the axes that matter for testing tools. “-” means undocumented, not absent.

Capability comparison for Testing Tools
Capability	Puppeteer	Testing Library
Core
Test types	-	-
Browser automation	✓	✗
Built-in assertion library	-	✓
Languages	JavaScript	JavaScript, TypeScript
Isolation
Mocking / stubbing	-	✗
Techniques
Snapshot testing	-	✗
Performance
Parallel execution	-	✗
Insight
Code coverage	✓	✗
DX
Watch mode	-	✗
Ops
CI integration	-	✓

Core

Test types

Puppeteer-

Testing Library-

Browser automation

Puppeteer✓

Testing Library✗

Built-in assertion library

Puppeteer-

Testing Library✓

Languages

PuppeteerJavaScript

Testing LibraryJavaScript, TypeScript

Isolation

Mocking / stubbing

Puppeteer-

Testing Library✗

Techniques

Snapshot testing

Puppeteer-

Testing Library✗

Performance

Parallel execution

Puppeteer-

Testing Library✗

Insight

Code coverage

Puppeteer✓

Testing Library✗

Watch mode

Puppeteer-

Testing Library✗

Ops

CI integration

Puppeteer-

Testing Library✓

What each one is

The product in its own terms, so the numbers below have context.

Puppeteer

Leader

Provides programmatic control of Chrome and Firefox browsers for automation and testing through a JavaScript API.

Independently observed

Testing Library

A family of testing utilities that help you test UI components by simulating how users interact with them, focusing on confidence-building tests that avoid implementation details.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Puppeteer

Leader

Open source

as of 2026-09-10verify ↗

Testing Library

Open sourceFree tier

Free, open source under MIT license

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Puppeteer	Testing Library
WebPlatforms	✓	✓
CLIPlatforms	✓	✗
Self-hostedDeployment	✓	-

Platforms

Web

Puppeteer✓

Testing Library✓

CLI

Puppeteer✓

Testing Library✗

Deployment

Self-hosted

Puppeteer✓

Testing Library–

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Puppeteer

Leader

5 total

Chrome
Firefox
DevTools Protocol
WebDriver BiDi
chrome-devtools-mcp

Independently observed

Testing Library

13 total

Jest
Cypress
GitHub Actions
React
Vue
Angular
Svelte
React Native
Mocha
Puppeteer
Testcafe
Nightwatch
JSDOM

Independently observed

Still deciding?

Puppeteer or Testing Library: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.