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Technology · JavaScript frameworks

ef.js

ef.js is one of 82 technologies we detect in JavaScript frameworks.

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detected by AwesomeTechStack auditsef.js.org

About ef.js

(maybe) An elegant HTML template engine & basic framework

How many people use ef.js

GitHub · npm
  1. #67Catberry.js789
  2. #68Webix457
  3. #69Essential JS 2448
  4. #70ef.js445
  5. #71Adobe Client Data Layer122
  6. #72Wink115
  7. #73Ripple66

858 npm downloads, last 30 days

GitHub npm Issues

#70 of 75 JavaScript frameworks we have counts for (of 82) · bars are GitHub stars across these neighbours; the category leader is React at 251k · as of September 24, 2026

Compare

ef.js

#70 of 75 JavaScript frameworks

stars445
downloads / 30d858
Essential JS 2

#69 of 75 JavaScript frameworks

stars448
downloads / 30d1.2M

Audit any site that runs ef.js.

Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.

How we audit ef.js

We measure the detected version against ef.js's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

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