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Pusher vs Socket.io

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Pusher

14.2 KB gzipped

Most Popular

Socket.io

12.0M weekly downloads

Best Maintained

Pusher

100/100 maintenance score

Highest Quality

Pusher

50/100 quality score

Overall Pick

Pusher

Best all-around based on popularity, size, maintenance & quality

pusher icon

pusher

Popular

Version 5.3.3

0
81
Excellent

Node.js client to interact with the Pusher Channels REST API

Weekly Downloads
492.2K
25%
Bundle (gzip)
14.2 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
80
Quality
50
Security
100
Stability
70
socket.io icon

socket.io

Extremely Popular

Version 4.8.3

0
73
Good

node.js realtime framework server

Weekly Downloads
12.0M
21%
Bundle (gzip)
415.1 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
60
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Pusher and Socket.io? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Socket.io leads with 12.0M weekly downloads — roughly 24.4x more. Pusher has 492.2K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Pusher has the smallest gzipped bundle at 14.2 KB. Socket.io comes in at 415.1 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Pusher has an overall health score of 81/100 (very good), with strong maintenance, security, popularity scores. Socket.io has an overall health score of 73/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Pusher if you value actively maintained, strong security track record. Choose Socket.io if you value massive community and ecosystem, strong security track record.

Our Verdict

Both Pusher and Socket.io are solid choices for JavaScript development. Pusher has the edge in overall health score (81/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.

Frequently Asked Questions

Is pusher better than socket.io?
It depends on your needs. Pusher has a health score of 81/100 while Socket.io scores 73/100. Socket.io has more weekly downloads (12.0M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, pusher or socket.io?
Pusher has the smaller gzipped bundle at 14.2 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use pusher vs socket.io?
Based on npm download statistics, Pusher has approximately 492.2K weekly downloads and Socket.io has approximately 12.0M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, pusher or socket.io?
Pusher currently has the higher overall health score at 81/100. Pusher has a maintenance score of 100/100 and Socket.io scores 60/100 on maintenance.

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