Maximally optimizing image loading for the web
In this post I'll outline 8 image loading optimization techniques to minimize both the bandwidth used for loading images on the web and the CPU usage for image display. I'll present them in the form of an annotated HTML example to make it easy for folks to reproduce the results. Some of these techniques are more established, while others are somewhat novel. Ideally, your favorite mechanism for pub
CSS Loader
CSS Loader Simple loaders for your web applications using only one div and pure CSS ♥. Why? Usually it's common to show a loader to the users when they must wait something in a web application (an ajax request or a form submit, etc). Gif images were great but using CSS we can avoid the image request, also it's easier for customize/ maintain and it's more cool. Check it out on GitHub.
The future of loading CSS
Posted 11 February 2016 - totally overshadowed by some waving gravity thing. Thanks Einstein. Chrome is intending to change the behaviour of <link rel="stylesheet">, which will be noticeable when it appears within <body>. The impact and benefits of this aren't clear from the blink-dev post, so I wanted to go into detail here. Update: This is now in Chrome Canary. The current state of loading CSS <
ウェブ・フォントの読み込み - Weblog - Hail2u.net
ウェブ・フォントも完全に行き渡り、今はどう効率的に配信するかについて多くの時間を割くようになった。Google Fontsの低め安定路線を見限り、TypeKitやFonts.comへ鞍替えする人々も増えた。それと同時に自前でホスティングする人々も徐々にその数を増やしており、どれが最適解なのか一応の結論が出るにはもう少しかかるだろう。まず、ウェブ・フォントの読み込みにおいてどのようなアプローチがあり、どのようなメリット、そしてデメリットがあるのだろうか。 TypeKit等に頼るにしろ、自前でホスティングするにしろ、もちろん最終的にはウェブ・フォントをブラウザーに送りつける必要がある。読み込みとはまさにその部分の話だ。話がややこしくなるので、多様な実装を意識した安全な書き方などについては触れない。 普通に@font-face定義を利用 @font-face定義をただ普通に書く場合のメリットは、
Creating a Collection of CSS3 Animated Pre-loaders | Envato Tuts+
Pre-loaders are a common sight in modern web design. As users we expect the web to be fast and fluid - we don’t like waiting for things. Pre-loaders offer visual feedback in the event of content being loaded, thereby managing expectations and reducing the chance of a user abandoning your website. CSS3 Essentials for Creating Pre-loaders Before we dive into building our collection of CSS3 pre-loade
CSS Performance Tooling
Presented at CSSConf.eu, September 2014. Video: https://www.youtube.com/watch?v=FEs2jgZBaQA You've learned the concepts, now meet the tools. High-performance sites need to feel instant and deliver the goods in < 1000ms. In this talk, learn about the bleeding edge tools that can automate keeping your CSS on the fast path. Automate generating critical-path CSS, removing unused CSS, discovering dupli
1/5くらい欠けた円を回す
新しいApple Storeアプリで使われてるローディング・アイコンをCSSで模したもの。たまにこういうものを作ると、自分が新たなCSSテクニックを学ぶことに貪欲でないことを再認識させられる。 Demo: Apple Store App Loading Icon .loading { border: 1px solid #797673; border-radius: 51%; position: relative; width: 2rem; height: 2rem; background-color: #fff; animation-duration: 1s linear infinite spin; } .loading::before { display: block; position: absolute; width: 50%; height: 50%; content: "";
CSSの非同期読み込み
印刷向けCSSだけじゃなく、ウェブフォントのCSSも非同期で読み込むことにした。FOUTが起こるようになるので、気になったら戻すかも。 var csses = [ { href: '/styles/print.min.css', media: 'print'; }, { href: '/fonts/megrim.css'; }, { href: '/fonts/source-code-pro.css' }, { href: '/fonts/source-sans-pro.css' } ]; var links = document.createDocumentFragment(); csses.forEach(function (css) { var link = document.createElement('link'); link.rel = 'stylesheet'; link.h
Understanding Browser Performance — SitePoint
What is performance? Creating a high performance web site is a delicate dance. Many people think it’s just about how fast your JavaScript performs. The reality is that it’s far more than that. There are also multiple ways to measure performance. The first is load time. From the time that a user clicks a link or enters a URL into the address bar, how long does it take to load that page? Even this h
Load CSS or JS Files Simply & Asynchronously | Filament Group, Inc., Boston, MA
Load CSS or JS Files Simply & Asynchronously Posted by Scott Jehl 07/14/2014 Ever wonder about the simplest, fastest way to load a CSS file or a JavaScript file asynchronously? Well, we happen to think about these things a lot, and over the years we’ve been using and improving a couple of basic functions, which we call loadCSS and loadJS, that do just that. Here’s how they work, in brief. loadCSS
Authoring Critical Above-the-Fold CSS | CSS-Tricks
DigitalOcean provides cloud products for every stage of your journey. Get started with $200 in free credit! The following is a guest post by Ben Edwards. I saw Ben tweet about a simple Sass @mixin that allowed you designate bits of CSS as being “critical” – the idea being to load that critical CSS first and defer the loading of the rest of the CSS until later. A clever idea, and one that is gettin
PACE — Automatic page load progress bars
What is Pace? Include pace.js and a CSS theme of your choice, and you get a beautiful progress indicator for your page load and ajax navigation. No need to hook into any of your code, progress is detected automatically. Download If you’re a developer, download Pace directly here: Pace.js Themes Enter a color:
SpinKit
.spinner { width: 40px; height: 40px; background-color: #333; margin: 100px auto; -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out; animation: sk-rotateplane 1.2s infinite ease-in-out; } @-webkit-keyframes sk-rotateplane { 0% { -webkit-transform: perspective(120px) } 50% { -webkit-transform: perspective(120px) rotateY(180deg) } 100% { -webkit-transform: perspective(120px) rotateY(180deg
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CSSPIN - CSS Spinners and Loaders
#22 - Loader with pure CSS
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Loaders.css
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