CategoryPerformance

February 5, 2019 — Good performance is critical to delivering a good user experience, and iOS users often have high expectations of their apps. A slow and unresponsive app might make users give up on using your app or, worse, leave a bad rating. Read more…

January 21, 2019 — In the world of APIs, GraphQL has lately overshadowed REST due to its ability to query and retrieve all required data in a single request. In this article, I will describe a different type of API, based around components, which takes a step further the amount of data it can fetch from a single request. Read more…

January 15, 2019 — Climate change may not seem like an issue that should concern web developers, but the truth is that our work does have a carbon footprint, and it’s about time we started to think about that. Read more…

January 7, 2019 — Let’s make 2019… fast! A front-end performance checklist (PDF/Apple Pages/MS Word), with everything you need to know to create fast experiences today. Read more…

November 8, 2018 — When creating a multi-step form in which a file is uploaded and manipulated, if the application is running on several servers behind a load balancer, then we need to make sure that the file is available all throughout the execution of the process, for whichever server handles the process at each step. In this article, we will solve this issue by creating a repository accessible to all servers where to upload the files, based on AWS S3. Read more…

November 5, 2018 — Animated GIFs are popular on the web for good reason. They provide more engagement than an ordinary image, while remaining more digestible compared to a typical video. However GIFs are a terrible format for storing video and are often huge in size leading to slow page load times and high data usage. With HTML5 video, you can reduce the size of GIF content by up to 98% while still retaining the unique qualities of the GIF format in the browser. Read more…

October 30, 2018 — The Server Timing header provides a discrete and convenient way to communicate backend server performance timings to developer tools in the browser. Adding timing information to your application enables you to monitor back-end and front-end performance all in one place. Read more…

October 26, 2018 — Everyone knows that if a website is slow, users will abandon it. Many studies demonstrate the connection between website performance and conversion rates. In this article, Denis Žoljom shares his experience and the basics of creating a decoupled WordPress. Read more…

October 25, 2018 — In this series of posts on video performance on the web, Doug Sillars takes a closer look at how video is being used today, what we can learn from it, and how to move forward in a way that promotes fast delivery and playback of video content on the web. Read more…

October 24, 2018 — Video content on the web increases customer engagement and satisfaction. Pages that load quickly have the same effect. The addition of video to your website will slow down the page rendering time, necessitating a balance between overall page load and video content. Read more…