Cool Tools
A developer shares a curated list of essential tools and libraries for modern web development, including bundlers, performance testers, and VS Code extensions.
A developer shares a curated list of essential tools and libraries for modern web development, including bundlers, performance testers, and VS Code extensions.
Web performance expert announces return to consulting, focusing on helping organizations build sustainable performance culture and tools.
Philip Walton critiques the web performance community's over-reliance on synthetic metrics, arguing for more nuanced, real-world context in performance discussions.
Explains how to use WebPageTest custom metrics with request data to analyze script loading behavior in web performance testing.
Troubleshooting a WebPageTest private instance where SSL redirects caused agents to fail to submit results, and the fix.
A guide to creating an Alfred workflow for quickly running performance tests on WebPageTest.org from your desktop.
Explains why Chrome is inefficient for blocking third-party requests in WebPageTest and recommends using Internet Explorer for accurate performance impact analysis.
Explains how rotating carousels, ads, and popups distort web performance metrics like Speed Index and offers a technical fix using WebPageTest's activity timeout.
A developer explores creating a web performance heatmap to visualize when specific page elements render, building a proof-of-concept tool for analysis.
A guide to identifying and analyzing third-party assets on websites using a custom tool, focusing on performance impact and management.
A developer details how they dramatically improved their static blog's load time by optimizing JavaScript and CSS loading.
Introduces grunt-perfbudget, a Grunt.js plugin that enforces web performance budgets using WebPageTest metrics.