Just like predicted, we’re back to square 1 with UA-CH vs. User-Agent. 🤦♂️ Unfortunately, I can’t document the following claim, but I’m pretty sure that this is the case: The reason for minority browser being locked out and/or getting a degraded experience, is client side (JavaScript) user-agent (or now UA-CH)- sniffing, performed by junior webdevs. […]
Updated May 2021 to talk about permissions policies in stead of feature policies. Many moving parts related to Client Hints were enabled by default in Chrome version 84. Starting in this version, access to Client Hints can be delegated to 3rd parties. 🎉 Client Hints Client Hints has been here for a while – since Chrome 35 in […]
ImageEngine: Device Detection by WURFL, helps ImageEngine outperform alternative solutions by 42%!
Responsive Images (new tags and attributes to display images that “adapt” to the browser) has been in the wild for a while. Is it what we hoped for? IMHO it is a think you pull up if you really really have to. Here is why: You still need polyfills. You have to look up the […]
Native apps on mobile devices account for an increasing amount of web traffic. Facebook being the most popular “in app browser”. Sometimes these apps provide some interesting information in the user-agent. Facebook does it, and Instagram does it. Here are some examples of how a user agent string may look like for Instagram: iPhone: Mozilla/5.0 […]
This tweet appeared in my twitter stream today: Posted without comment. Mainly because I’m speechless. pic.twitter.com/EXX6UUUHk4 — Rachel Lawson (@rachel_norfolk) July 7, 2016 I had to try the site http://www.dieseljoggjeans.com. And true, it did not work on mobile. Although the site was “responsive” as advertised, but no real content for me on my mobile device. Which […]
Progressive Web Apps (PWA) is a rather new term in the web industry. You may know the term “Progressive”, which has been around for a while, but now we postfix it with “Web Apps”, and not “Enhancement”. Let’s face it: Apps are an easier sell. When you hear “Progressive”, think Enhancement, not Apps. To be […]
I was listening to a webinar the other day about RUM (Real User Monitoring). Through RUM, it was clear that iPads performed worse than iPhones and desktops on a given site. Performance meaning general speed of rendering. Speculation among the audience was that if this is because iPads are generally older than smartphones and for that […]
It is that time of year when I reflect on what has happened in the mobile (and web) space the last year. I learned a lot. Some trends and things I want to highlight are: Connectivity First of all, the community of web developers, companies and products caring about mobile and web has become really […]
Jeremy Keith, wrote a brilliant article about progressive enhancement recently. I say “brilliant” because progressive enhancement makes total sense and I am all in on that. He is arguing that with progressive enhancement there is no “fall back” just enhancements for capable browsers (or in my book; user scenarios) and we need to change our […]