People say JAMstack sites are fast — let’s find out why by looking at real performance metrics! We’ll cover common metrics, like Time to First Byte (TTFB) among others, then compare data across a wide section of sites …
I was chatting with some front-end folks the other day about why so many companies struggle at making accessible websites. Why are accessible websites so hard to build? We learn about HTML, we make sure things are semantic and — …
There are all these sites out there that want to help you with your images. They do things like optimize your images and help you serve them performantly.
That's a very good thing. By any metric, images are a major slice of the resources on websites, and we're notoriously bad at optimizing them and doing all the things we could to lower the performance hit from them. So you use some service to help you deliver images better. Smart. Many of them will make managing and optimizing images a lot easier. But I don't consider them a no-brainer. There is a lot to think about, like making choices that don't paint you into a corner.
At a recent conference talk (sorry, I forget which one), there was a quick example of poor web performance in the form of a third-party widget. The example showed a site that installed the widget in order to add a …
In this week’s roundup, Lighthouse sheds light on third-party scripts, insecure resources will get blocked on secure sites, and many country connection speeds are still trying to catch up to others… literally.
WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. As a Web Performance Evangelist at Theodo, I use it every single day. I am constantly amazed at what it …
The typical journey for a person browsing a website: view a page, click a link, browser loads new page. That’s assuming no funny business like a Single Page App, which still follows that journey, but the browser doesn’t load a …
In this week’s roundup: fighting shifty layouts, some videos might be a bit stalled, and a new way to take screenshots in Firefox.…
Because we know that all people with battery-powered devices are constantly concerned about their battery levels, and that websites are significant consumers of that battery power, we should probably think about this stuff a lot more than we do.
I’d …
Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users. But first, he starts by talking about the overwhelming positive news about it:
…[…] as it matures 5G
There have been some wonderfully interconnected things about fast software lately.
We talk a lot of performance on the web. We can make things a little faster here and there. We see rises in success metrics with rises in performance. …
