Jeremy Keith

Jeremy Keith

Making websites. Writing books. Hosting a podcast. Speaking at events. Living in Brighton. Working at Clearleft. Playing music. Taking photos. Answering email.

Journal 3168 sparkline Links 10657 sparkline Articles 87 sparkline Notes 7882 sparkline

Saturday, August 9th, 2025

Friday, August 8th, 2025

Thursday, August 7th, 2025

Progressive web apps

There was a time when you needed to make a native app in order to take advantage of specific technologies. That time has passed.

Now you can do all of these things on the web:

  • push notifications,
  • offline storage,
  • camera access,
  • and more.

Take a look at the home screen on your phone. Looking at the apps you’ve downloaded from an app store, ask yourself how many of them could’ve been web apps.

Social media apps, airline apps, shopping apps …none of them are using technologies that aren’t widely available on the web.

“But”, you might be thinking, “it feels different having a nice icon on my homescreen that launches a standalone app compared to navigating to a bookmark in my web browser.”

I agree! And you can do that with a web app. All it takes the addition of one manifest file that lists which icons and colours to use.

If that file exists for a website, then once the user adds the website to their homescreen it will behave just like native app.

Try it for yourself. Go to instagram.com in your mobile browser and it to your homescreen (on the iPhone, you get to the “add to home screen” option from the sharing icon—scroll down the list of options to find it).

See how it’s now an icon on your home screen just like all your other apps? Tap that icon to see how it launches just like a native app with no browser chrome around it.

This doesn’t just work on mobile. Desktop browsers like Chrome, Edge, and Safari also allow you to install web apps straight from the browser and into your dock.

About half of the icons in my dock are actually web apps and I honestly can’t tell which is which. Mastodon, Instagram, Google Calendar, Google Docs …I’m sure most of those services are available as downloadable desktop apps, but why would I bother doing that when I get exactly the same experience by adding the sites to my dock?

From a business perspective, it makes so much sense to build a web app (or simply turn your existing website into a web app with the addition of a manifest file). No need for separate iOS or Android developer teams. No need to play the waiting game with updates to your app in the app store—on the web, updates are instant.

You can even use an impressive-sounding marketing term for this approach: progressive web apps:

A Progressive Web App (PWA) is a web app that uses progressive enhancement to provide users with a more reliable experience, uses new capabilities to provide a more integrated experience, and can be installed. And, because it’s a web app, it can reach anyone, anywhere, on any device, all with a single codebase. Once installed, a PWA looks like any other app, specifically:

  • It has an icon on the home screen, app launcher, launchpad, or start menu.
  • It appears when you search for apps on the device.
  • It opens in a standalone window, wholly separated from a browser’s user interface.
  • It has access to higher levels of integration with the OS, for example, URL handling or title bar customization.
  • It works offline.

But there’s still one thing that native apps do better than the web. If you want to be able to monitor and track users to an invasive degree, the web can’t compete with the capabilities of native apps. That’s why you’ll see so many websites on your mobile device that implore to install their app from the app store.

If that’s not a priority for you, then you can differentiate yourself from your competitors by offering your users a progressive web app. Instead of having links to Apple and Google’s app stores, you can link to a page on your own site with installation instructions.

I can guarantee you that users won’t be able to tell the difference between a native app they installed from an app store and a web app they’ve added to their home screen.

Wednesday, August 6th, 2025

Tuesday, August 5th, 2025

Curate your own newspaper with RSS

I’m almost certainly preaching to the choir here because I bet you’re reading these very words in a feed reader, but what Molly White has written here is too good not to share:

RSS offers readers and writers a path away from unreliable, manipulative, and hostile platforms and intermediaries. In a media landscape dominated by algorithmic feeds that aim to manipulate and extract, sometimes the most radical thing you can do is choose to read what you want, when you want, without anyone watching over your shoulder.

Vibe code is legacy code | Val Town Blog

When you vibe code, you are incurring tech debt as fast as the LLM can spit it out. Which is why vibe coding is perfect for prototypes and throwaway projects: It’s only legacy code if you have to maintain it!

The worst possible situation is to have a non-programmer vibe code a large project that they intend to maintain. This would be the equivalent of giving a credit card to a child without first explaining the concept of debt.

If you don’t understand the code, your only recourse is to ask AI to fix it for you, which is like paying off credit card debt with another credit card.

Monday, August 4th, 2025

Saturday, August 2nd, 2025

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