Make optimisation of images part of your automated build process
created at Feb. 15, 2013, 5:33 p.m.
Analyze and debug space usage through source maps
created at Oct. 15, 2015, 10:40 p.m.
minimal monitor for JS Heap Size via performance.memory
created at Jan. 21, 2015, 6:34 a.m.
Navigation Timing API measurement helpers
created at Sept. 21, 2014, 12:02 p.m.
Prepare compressed versions of assets to serve them with Content-Encoding
created at Aug. 5, 2013, 10:07 a.m.
[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.
Grunt task for converting a set of images into a spritesheet and corresponding CSS variables
created at Aug. 19, 2012, 5:08 a.m.
svgcleaner could help you to clean up your SVG files from the unnecessary data.
created at Jan. 5, 2012, 11:03 a.m.
Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
created at Oct. 6, 2014, 12:57 a.m.
A simple command line tool to minify your HTML, Razor views & Web Forms views
created at Sept. 27, 2013, 1:59 p.m.
HTML minifier for Python frameworks (not only Django, despite the name).
created at May 12, 2011, 2:03 p.m.