Tim Kadlec helps organizations build faster, more effective websites through sustainable web performance practices. He writes about performance culture, metrics, and real-world optimization strategies.
220 articles from this blog
A review of the five most popular web performance and responsive design articles from 2014, discussing speed, myths, and metrics.
Explores different metrics for web performance budgets, comparing milestone timings, SpeedIndex, quantity-based, and rule-based approaches.
A review of Scott Jehl's book 'Responsible Responsive Design', covering advanced responsive web design techniques, performance, and accessibility.
Introduces Shoestring, a lightweight JavaScript DOM utility that helps reduce code bloat by offering a modular, jQuery-like alternative.
A developer's reflection on lighting a workspace leads to a discussion on online harassment in tech and the importance of supporting diverse voices.
Analysis of JavaScript parse and execution times for jQuery across various browsers and devices, using a profiling tool released by Etsy.
The article debunks the myth that responsive web design (RWD) is inherently bad for performance, arguing it's an opportunity to prioritize performance.
Summary of a Google I/O 2014 talk on building a team-wide performance culture for web development, focusing on mobile users and metrics.
A software developer shares their personal process for preparing a technical conference talk, from topic selection to slide creation.
Introduces grunt-perfbudget, a Grunt.js plugin that enforces web performance budgets using WebPageTest metrics.
Explores the implementation of responsive images using srcset, sizes, and picture elements, advocating for a combined front-end and server-side approach.
A technical case study on building responsive, accessible websites for Radio Free Europe to reach users with slow connections and old devices.
Explores why responsive web design (RWD) often has a similar visual aesthetic, discussing trends, workflow, and reliance on frameworks.
Discusses the debate around defaulting to libraries like jQuery, arguing for evaluating their necessity to reduce page weight and improve performance.
Explores how to define 'fast enough' for website performance, covering competitive analysis, user perception, and key metrics like Speed Index.
Explores the evolution of responsive web design beyond fluid grids and media queries, discussing its broader principles and future-friendly approaches.
A review of the top five most popular web development articles from 2013, covering responsive images, performance budgets, and CSS/device quirks.
The article argues that web performance is a cultural, not just technical, problem and requires a holistic approach throughout development.
A developer's critical analysis of the stalled standards process for implementing responsive images on the web, focusing on the src-N proposal.
Explores the performance impact of non-responsive images, focusing on memory waste and decoding time, with practical examples and data.
