memory-stats.js by paulirish
minimal monitor for JS Heap Size via performance.memory
created at Jan. 21, 2015, 6:34 a.m.
PerfTests by kogarashisan
JavaScript inheritance performance tests done right
created at Feb. 27, 2015, 10:12 a.m.
timing.js by addyosmani
Navigation Timing API measurement helpers
created at Sept. 21, 2014, 12:02 p.m.
browser-calories by zenorocha
The easiest way to measure your performance budget
created at April 7, 2016, 11:19 p.m.
node-yslowjs by jmervine
Node.js wrapper for phantomjs yslow.js (see: http://yslow.org/phantomjs/).
created at July 7, 2013, 1:54 a.m.
tracing-framework by google
Web Tracing Framework libraries and extensions.
created at Nov. 8, 2012, 7:32 p.m.
grunt-perfbudget by tkadlec
Grunt task for performance budgeting.
created at May 15, 2014, 2:35 p.m.
grunt-yslow by andyshora
Test web page performance using the YSlow library invoked by a grunt task
created at May 27, 2013, 3:24 p.m.
yslow by marcelduran
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
created at Jan. 25, 2012, 7:55 p.m.
confess by jamesgpearce
[ARCHIVED] Uses PhantomJS to headlessly analyze web pages and generate manifests. You may be able to use the puppeteer-har package instead.
created at April 13, 2011, 9:56 p.m.
speedracer by speedracer
Collect performance metrics for your library/application.
created at May 1, 2017, 10:19 a.m.
grunt-spritesmith by twolfson
Grunt task for converting a set of images into a spritesheet and corresponding CSS variables
created at Aug. 19, 2012, 5:08 a.m.
lozad.js by ApoorvSaxena
🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
created at Aug. 28, 2017, 8:28 p.m.
lasso-analyzer by ajay2507
📊 Analyzing bundles created by Lasso js.
created at July 14, 2018, 6:21 a.m.