Articles tagged with
perfmatters
23 Sep 2021
The main goal of boosting website performance is to improve the user experience. In theory,
a satisfied customer is more likely to use a particular company’s services, which is then reflected in business results.
However, from my own experience I can say that not every change can be easily converted into money.
I would like to tell you how to reconcile these two worlds, how to convince the business that the benefits of
better performance are a long-term investment, and how to streamline the development process during the design or code writing process.
29 Jul 2021
It’s been over 5 years since the introduction of the article describing the ongoing transformation of Allegro’s frontend architecture — an approach that was later formalized by the industry under the name of Micro Frontends. I think that after all this time we can safely say that this direction was correct and remained almost entirely unchanged in relation to the original idea. Still, some of the challenges foreseen in the publication soon became the reality. In this article I would like to focus on the CSS part of the whole adventure to tell you about how we manage consistency and frontend performance across over half a thousand components, and what it took us to get to where we stand today.
08 Jun 2021
Some time ago we announced that Allegro passes Core Web Vitals assessment and thanks to that we were awarded in “Core Web Vitals Hall of Fame”.
It means that Allegro is in the group of the 27% fastest websites in Polish Internet.
08 Nov 2019
One of the coolest features added in just announced TypeScript
3.7 is optional chaining syntax. It promises a
much shorter and more readable code for dealing with deeply nested data structures. How may this nice new feature affect
the performance of your project?
02 Sep 2019
When we measure the page loading speed from the user’s perspective, we pay attention to the appearance of subsequent
elements on the screen. Metrics such as First Contentful Paint, First Meaningful Paint and Visually Complete directly
reflect what the user sees and when. But what if the page is invisible, when it loads in the background, for example in
a different tab? Should we consider such views interesting for us? Don’t the collected metrics distort the results?
