I think this is becoming more of an design trend as well. It's definitely been accelerated by Material Design which has lots of animation at it's core. I would say one of the leading design teams in building interfaces with animation correctly is Stripe. This blog post on improving the payment experience with animations as well as this video by Benjamin De Cock at CSSConf Australia really show that they understand how to do UI animations correctly. In the @bdc video, He lays out 4 guidelines which I've adopted in my own designs and prototypes.

• Animate exclusively opacity and transform
• Keep your animations fast (usually around 300ms)
• animate things independently
• always use custom easing

I'm still a fan of animation because it can help maintain context (demonstrated in this post in the last design), distract a user while information is loading (pull to refresh animations), or provide a humanistic visual response as demonstrated in the "no" animation. I just think that it's also very easy to over use and cause slow, nauseating experiences. I know a few people that turn off all animations / parallax on their iPhone for that reason specifically.

Hm. I agree with the article, but pretty strongly disagree with the example.

The example that was showed for Mac OS X fullscreen video is a perfect example of good animation. It provides context to where you were and where you're going. This is important because, humans are logical(mostly) and they like to make sense of things. If the video just flashed to fullscreen it would be jarring and would't make much sense. The way the desktop scales back and slides to the left gives a sense of space. This sense of space is something that our brains are good at understanding.

I think the risk is that designers focus on the "delight" of their design to the detriment of it's usability. Delight is important, but it can't cover the actual nuances of the user experience. This article gets into it a bit when talking about context. The original modal requires a context change by occluding the original tag. Focusing on the delight of the animation can blind you to this problem. The last example, where the context never full switches, but simply expands, is much better. The animation smooths out the expansion of the context, helping the user, instead of masking a problem.

The iphone trick is great, i switched settings right away. Most prefers a snappier UI instead of "long" animations. Although it might be a "superuser" thing.

But when professional designers at apple with years of experience in interface design get it wrong, it's going to be a hard for 20 year old's at small webcompany's to do better. We can hope, but i think animation overkill will be here for a while.

My personal pet peeve is the already stupid cookiebar the EU forced on websites, and then implemented with a 3 second jQuery collapse animation (first world problems i know ;).

Right on time. As of late, Twitterrific show/hide image animation has been annoying me. It's too slow, especially having to wait for the dark overlay to fade out after dismissing the image.

I'd still like to make a case for 'delightful animations', as long as they don't interfere with the users' intentions. I think animations add a great deal to the web experience. We're no longer going from one context to another in a split second. We can ease users into a different contexts through animations, which in my opinion makes the web generally a more pleasant and usable place.

Obviously there are generally bad practices being used, like with any new technology, but it doesn't mean we should just use the technology less (which is the general vibe I got from that article). We should improve our use of it.

I think of Material Design as a progress of exploring motions in design. People won't get to the destination without a tough progress. I just don't want to be bothered implementing them with poor CSS I learnt.

I had this issue at a previous job. The front-end devs wanted to pack in animations any time they could get a chance because they thought it looked cool.

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I'm not sure about the example. What if that app had a library on the bottom? It then makes sense that the user file opens from the bottom. It really depends on the context.

DON'T TELL ME WHAT TO DO.