Package

corser

A highly configurable, middleware compatible implementation of CORS.

v2.0.1, 16 Aug 2016MITCommonJSTypes: NoneSecurity HTTP servers and web frameworks

$ npm install corser

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 5.1m; +49% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 10 years ago; v2.0.1
GitHub stars: 94; 11 forks
Open issues / PRs: 2 / 0
Contributors: -
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

5,093,762 downloads last week, 24,398,873 in the last month. The 12-month change of +49% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 011 in total
Latest version: 2.0.1, 16 Aug 201610 years ago
First published: 28 Nov 2011
Last push to GitHub: 20 Jul 20182,988 days before the snapshot
Repository archived: No
Open issues: 2
Open pull requests: 0
Commits, last 52 weeks: 0
Dependents on npm: 126

Major versions

v2 first release 2.0.0, 20 Mar 2014
v1 first release 1.0.0, 17 Feb 2012
v0 first release 0.1.0, 28 Nov 2011

Recent releases

Version	Published
2.0.1	16 Aug 2016
2.0.0	20 Mar 2014
1.2.0	19 Nov 2012
1.1.2	26 Oct 2012
1.1.1	7 Aug 2012
1.1.0	7 Aug 2012
1.0.2	26 Jun 2012
1.0.1	9 Apr 2012
1.0.0	17 Feb 2012
0.2.0	20 Dec 2011
0.1.0	28 Nov 2011

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >= 0.4.0
Runtimes: -
Unpacked size (npm): -
Dependencies (0): None

Install

npm install corser

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/corser@2.0.1/
unpkghttps://unpkg.com/corser@2.0.1/
esm.shhttps://esm.sh/corser@2.0.1

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
cors Node.js CORS middleware	58m	-	8 months ago	CommonJS	-
express-rate-limit Basic IP rate-limiting middleware for Express. Use to limit repeated requests to public APIs and/or endpoints such as password reset.	45.1m	-	27 days ago	ESM + CommonJS	-
feature-policy Middleware to set the Feature-Policy HTTP header	336.5k	-	5 years ago	CommonJS	-
hide-powered-by Middleware to remove the X-Powered-By header	348.2k	-	7 years ago	CommonJS	-
dont-sniff-mimetype Middleware to prevent mimetype from being sniffed	347.7k	-	7 years ago	CommonJS	-
rate-limiter-flexible Node.js atomic and non-atomic counters, rate limiting tools, protection from DoS and brute-force attacks at scale	2m	-	7 days ago	CommonJS	-
referrer-policy Middleware to set the Referrer-Policy HTTP header	340.5k	-	7 years ago	CommonJS	-
dns-prefetch-control Middleware to set X-DNS-Prefetch-Control header.	137.9k	-	7 years ago	CommonJS	-

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.