Performance

New to setting up AWS CloudFront? Follow our step-by-step tutorial, including common pitfalls and important config settings for Amazon's CDN.

Kubernetes is great when it works, but there's lots of gotcha's. We cover 14 common problems from monitoring to persistent storage and unauthorized access errors.

In this comprehensive Kubernetes vs Docker comparison, we cover pricing, features, security, ease of use, and docs to help you choose one.

HeadSpin is a performance testing platform for actionable insights into your app. Test on real devices, automate testing, and move faster.

Core Web Vitals are Google's metrics for evaluating real-world web performance. Learn how to optimize for Core Web Vitals and improve both UX and SEO.

Craig Buckler discusses 20 ways to optimize your CSS so that it’s faster-loading, easier to work with and more efficient, covering analysis tools, CDNs, HTTP/2, CSS3, animations and transitions, fonts, concatenation and minifying, build tools, flexbox, grid, SVG, critical CSS, and more.

Maria Antonietta Perna points out the importance of front-end optimization and lists 3 tips for achieving a great user experience on your Bootstrap website.

Maria Antonietta Perna explores the Performance Tool available in the Firefox browser to find out more about CSS animation performance.

React eases the development of snappy, event-driven user interfaces that are fast at responding to state changes. This is particuarly important considering users expect web apps to feel smooth and seamless like native apps. In this article, you'll learn about what React is good at and what makes it work. This should provide you with the context required to decide if this library could be a good fit for your next project, and whether you should learn React.

Maria Antonietta Perna discusses three ways in which you can use SVGO to optimize SVG graphics to be used on your website.

Maria Antonietta Perna discusses CSS as being on the critical rendering path and points out a few solutions you can try out in your development work.

Maria Antonietta Perna highlights the advantages and a few downsides of prefetching resources to speed up website performance and improve user experience.

Maria Antonietta Perna digs into performance issues when loading custom web fonts. She discusses file size and FOIT and shows some cutting-edge solutions.

Despite previous annual disasters, Craig is back with forecasts of the hottest trends in web technology for 2017.

Designing for IoT – the Internet of Things – offers great opportunities, but also a new range of challenges. Charles Costa walks you though the big 4. 

Simon introduces Google Chrome's Data Saver, a feature for mobile and desktop that saves bandwidth without increasing load times — much.

Are your MongoDB queries fast and effective regardless of database size? Craig discusses a number of options to consider when your NoSQL queries go quirky.

An individual web page now exceeds 2.2MB. Are pages 16% better than in 2014 or have developers and site owners unconsciously created an obesity epidemic?

Lukas White provides an introduction to the art and science of web app monitoring, and explains how Monitis can help you monitor smarter.

Phil Smith introduces Perch, a lightning-fast, extensible, easy-to-use CMS that's perfect for projects small and large, scaling easily via Perch Runway.

You may have noticed that images on websites can be heavy and slow. In this screencast we'll take a look at how to lazyload an image, improving performance.

Animation in JavaScript can be difficult to create, and even harder to optimize for performance. Learn how to get better at both with requestAnimationFrame.

Elio Qoshi reviews Firefox 40's new performance tools, optimizations for Windows 10, malware protection and add-on signing.

In this short video I go over a feature in chrome developer tools that's rarely used, but can deliver great insight when doing a performance audit.

In this video I'll be reviewing a websites CSS rules to improve site performance with cssstats.com.

In this video I'll walk through webpagetest.org, explaining what to look for when evaluating a site for performance.