EB - Elliot Betancourt
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Safari Suddenly Updating Won't Change Anything for Web Developers

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    Elliot Betancourt

There was some recent buzz recently in the web community about a post from Nolan Lawson entitled “Safari is the new IE6”. Then there was a counter argument, that the problem is a lack of browser competition on iOS. The reality is more nuanced, and the solution is “That’s just how web development is, use a polyfill and move on.”

Lawson mentions CanIUse.com, a resource that web developers (such as myself and Nolan) frequently reference to see how supported the latest browser features are.

My interpretation of the Can I Use data is a bit different from Mr. Lawson’s.

I m going to look at the technologies mentioned specifically in the post:

  • IndexDB
  • Shadow DOM
  • Web Components
  • Service Worker
  • Web Manifests (Offline Web Apps)

First, there was a lot of talk around IndexDB and the broken implementation in Safari 8.3.


And while it would be nice for Safari to support the feature, even if Safari suddenly supported the spec fully tomorrow, according to this graph, you have a larger number of Android Users (Android Browser 4.3 and below and UC Browser for Android) that don’t support the feature at all.

Looking at the Shadow DOM:


Its supported by Chrome, Android and Desktop Opera (Which is using Chrome’s Blink rendering engine, so it gets it for free). Again, if Safari implemented this, you would still be missing IE, Firefox, and UC Browser or Android, and Android Browsers below 4.4 (This is sort of a pattern from here on out, so I will only just put the screenshots).



“Web Manifests” are a special case in that Can I Use doesn’t actually list “Web Manifests” or “Manifests”, but when I search for “Manifest” I get a single result, “Offline Web Apps” which is actually mentioned by Lawson. What does this browser support look like?


Wait…so Safari actually supports this technology? but not “web manifests”? So we Google “web manifests” and the w3c has a Working Draft. It has a big red warning on the page.


So, there is already a way to do this in Safari, but Chrome does it differently, and the spec is still unstable. As a matter of fact, Service Worker, Web Components, and Shadow DOM are also in a state of W3C Working Draft.

As a matter of fact, Custom Elements (another way to say “Web Components” and Shadow DOM both have this warning across the bottom of their working drafts:



The only item on our list that is in the state of W3C Recommendation is IndexDB, which hit that state in January of this year.

I have been a web developer for 15 years, and polyfills, shims, and abstraction layers are par for the course, especially when dealing with features at the cutting edge of the web. Hell, I still have to support IE8 in almost all of my projects! Scroll back through those graphs, and you will see IE8 and 9 are red in all of them.

It honestly feels more like Lawson just wishes Safari was Chrome. This isn’t an attack on Lawson. He actually wrote a follow up post in which he says

I tend to write about weird esoteric stuff like IndexedDB and WebSQL, maybe throwing the normals a bone with something about CSS animations.

Its important to note that when he writes about “esoteric stuff” and “normals” he means esoteric and normal among web developers. Layman “normals” are not reading about CSS animations. He is an admittedly bleeding edge developer lamenting that he doesn’t have the latest toys in Safari like he does in Chrome, and it was all taken out of context. He writes Android and web apps and probably writes his apps in Chrome first (So do I, and Chrome isn’t even my default browser) and is probably annoyed when things don’t work properly in the other popular mobile browser. (Although it probably doesn’t work on a large percentage of Android phones either)

Apple has never been a company to implement a cutting feature unless it will massively improve the user experience (like killing flash and pushing web apps for iOS). Remember that they took the wait-and-see approach for 3g, LTE, NFC, Large Screens, the list could go on and on. But just like hardware, Apple isn’t going to implement a new browser feature immediately because it’s new. It will generally wait until the tech is mature, it can manage battery life, know that the spec is stable, and browser speed and then implement.

The one place where I do think Apple can do better is in sending representatives to the W3C to influence the specs. When you look at the Specs and Working drafts mentioned above, you will notice that Google has people on every single spec (sometimes they are the only author), so of course Google is implementing the working draft spec, they _wrote it! _But that’s not Google’s fault. Apple should be in there as well, writing the spec they want to see with them.

**As a side additional note, the UC Browser on Android proves that opening up the iOS browser eco system is not a solution, you could just as easily wind up fragmenting the iOS rendering engine even more winding up with several users on iOS that don’t support features that are implemented in Safari.