Comparison

Home page | Yarn vs Npmjs

Home page | Yarn lands on Depends, and Npmjs lands on Worth it.

Home page | Yarn

Depends

Confidence: Low

Worth adopting if you run a large JavaScript monorepo needing workspaces and deterministic installs; otherwise npm, which ships free with Node, is enough.

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Npmjs

npmjs.com

Worth it

Confidence: Medium

If you write JavaScript, npm is effectively mandatory . it's the default package registry and free for public packages.

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Home page | Yarn versus Npmjs
Compare	Home page \| Yarn	Npmjs
Verdict	Depends	Worth it
Best for	JavaScript monorepos	JavaScript/Node.js developers
Who it's not for	Solo devs and small projects . npm ships with Node	Non-JavaScript stacks . use PyPI, NuGet, or Maven instead
Privacy	The Yarn 1.22.22 package was flagged with 2 vulnerabilities (highest severity 7.5) by a dependency scan; no security page found on the official site.^³	High-risk: repeated supply-chain compromises, including a Sept 2025 worm affecting 19 popular packages; 19 CVEs tracked.¹⁰
Support quality	No support evidence in sources	Reddit users call the site abandoned
Public sentiment	No verbatim user reviews found; evidence is limited to the official site and one dependency scan.^¹	Review volume is tiny; G2 users find package management easy, while Reddit threads criticize site neglect, publishing friction, package quality, and security.^⁵
Biggest gotcha	Guess: Classic (v1) vs Modern (Berry) version split confuses setup; verify which version tutorials target.^¹	One compromised maintainer account can push malicious updates to hundreds of millions of weekly installs.¹⁵

Pick Home page | Yarn when

JavaScript monorepos
Teams needing deterministic installs
Large codebases split into sub-components

When Home page | Yarn is not a fit

Solo devs and small projects . npm ships with Node
Non-JavaScript stacks
Teams wanting zero toolchain decisions or migration risk

Pick Npmjs when

JavaScript/Node.js developers
Open-source package publishers
Frontend and backend JS teams

When Npmjs is not a fit

Non-JavaScript stacks . use PyPI, NuGet, or Maven instead
Security-critical orgs without registry allowlists or scanning
Buyers who need polished UI and responsive vendor support
Anyone needing private packages on a $0 budget

Sources

Home page | Yarnyarnpkg.com
official
Security pageyarnpkg.com
security
yarn-1.22.22.tgz: 2 vulnerabilities (highest severity is: 7.5)github.com
security
npm Reviews 2026 . G2g2.com
review
npm Reviews . Trustpilottrustpilot.com
review
Why is npmjs.com so abandoned? . Redditreddit.com
review
Concerns about npmjs.com . Redditreddit.com
review
npm Pricing . officialnpmjs.com
official
npm Pro . feature comparisonnpmjs.com
official
Widespread Supply Chain Compromise Impacting npm . CISAcisa.gov
security
19 npm Packages Compromised in Major Supply-Chain Attack . OX Securityox.security
security
CVE-2021-37701: npm tar RCE . SentinelOnesentinelone.com
security
Npmjs CVEs . OpenCVEapp.opencve.io
security
Our plan for a more secure npm supply chain . GitHub Bloggithub.blog
news
reddit.comreddit.com
review