What is npm mirror

This article describes npm mirrors, proxy servers that store copies of the npm registry, improving performance and availability. It explains why npm mirrors are beneficial, offering advantages like reducing load on the official npm registry and provi

What is an npm mirror?

An npm mirror is a proxy server that stores a copy of the npm registry. When a developer uses npm to install a package, the request is first sent to the mirror. If the mirror has the package in its cache, it will return it to the developer. Otherwise, the mirror will forward the request to the official npm registry.

Why use an npm mirror?

There are several benefits to using an npm mirror:

• Improved performance: By using a mirror that is located closer to your geographical location, you can improve the performance of npm installations.
• Reduced load on the official npm registry: By caching packages locally, mirrors can reduce the load on the official npm registry. This can help to improve the reliability and availability of the npm registry.
• Security: Mirrors can be used to implement security measures, such as blacklisting malicious packages.

Where can I find an npm mirror?

There are several public npm mirrors available. Some of the most popular mirrors include:

• [npmjs.org](https://npmjs.org/)
• [npm.taobao.org](https://npm.taobao.org/)
• [pnpm.io](https://pnpm.io/)
• [registry.yarnpkg.com](https://registry.yarnpkg.com/)

You can also set up your own npm mirror. This can be useful if you want to have a private mirror that is only accessible to your team.

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