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
画像の最適化 | Web | Google Developers
Web performance is a crucial aspect of web development that focuses on the speed at which pages load, as well as how responsive they are to user input. When you optimize your website for performance, you're giving users a better experience. The initial release of this course focuses on web performance fundamentals, that beginners should find informative. Each module aims to demonstrate key perform
Cropper.js
Get Data Set Data Get Container Data Get Image Data Get Canvas Data Set Canvas Data Get Crop Box Data Set Crop Box Data Move to [0,0] Zoom to 100% Rotate 180° Scale (-2, -1)
Color Thief
Color Thief by Lokesh Dhakar Grab the color palette from an image using just Javascript. Works in the browser and in Node. Github Getting started The Color Thief package includes multiple distribution files to support different environments and build processes. Here is the list of all the files in the /dist folder and what formats they support: color-thief.js - CommonJS module for use in Node. col
PhotoSwipe
What’s new in v5Code quality and rewrite in ES6The script is now distributed as an ES module and does not require a build step to use. The documentation is also updated and now includes more examples. Simpler initialization and dynamic import supportPhotoSwipe now supports dynamic import and does not block page rendering. <script type="module"> import Lightbox from './photoswipe-lightbox.esm.js';
QuaggaJS, an advanced barcode-reader written in JavaScript
An advanced barcode-reader written in JavaScript View the Project on GitHub serratus/quaggaJS Download ZIP File Download TAR Ball Fork On GitHub quaggaJS Changelog (2017-06-07) Browser Support Installing Getting Started API Configuration Tips & Tricks Sponsors What is QuaggaJS? QuaggaJS is a barcode-scanner entirely written in JavaScript supporting real- time localization and decoding of various t
フロントエンドチューニングの箇条殴り書き
普段気をつけてるよリスト "モバイルで、WebViewとブラウザのコンパチで、特にセオリー化されていないデザインモジュールのなか、装飾画像もふんだんに使うぞ系サービス開発" の文脈における、パフォーマンス確保のため気をつけてるよリスト。 よく、パフォーマンス「向上」とか「確保」とか申しますが、メンテナンスコストなどと天秤にかけて、「必要十分」のラインを狙うのが重要だと思う次第。 画像リソース 画像リソースを揃えるときのセオリ。圧縮率とか最適化とか細かいチューニングはあれど、大雑把に下記を守る。そしてImage Optim（or 相当の処理）。 JPEGはプログレッシブで画質60くらい（オレ目安） PNGは差し支えない範囲で色数をきちんと削る 50px未満のサムネイルは@2.0xなリソースにしない 案外、Androidあわせの@1.5xや@1.0xでも大丈夫なことすらある GIFアニメを入れ
CSS and jQuery Image Comparison Slider | CodyHouse
Image Comparison Slider A handy draggable slider to quickly compare 2 images, powered by CSS3 and jQuery. When you create a product page, there are some effective UX solutions that can be used to make the user 'feel' the product. A comparison image slider is one of those. If you look at the Sony Ultra HD TV product page, they use this approach to emphasize the difference between their display res
Preloading images with jQuery
I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important. I saw this here (http://nettuts.com...): function complexLoad(config, fileNames) { for (var x = 0; x < fileNames.length; x++) { $("<img>").attr({ id: fileNames[x], src: config.imgDir + fileNames[x] + config.imgFormat, title: "The " + fileNames[x] + " nebula" }).appendTo("#" + config.imgCon
Still Within · Compassionate guidance on the path of the heart
In my life, I have recognized immense benefit by consciously extending myself beyond what is comfortable.By choosing to encounter all that within me is unknown—fear, grief, and death; silence, ecstasy, and unity—I have uncovered a peace inside myself that seems to deepen my capacity to be with all the uncertainties of what it means to be human. Feeding this inquiry has allowed me to meet suffering
Intense Images
Intense Image Viewer A javascript library for viewing images in a fully full screen. Click the images to see it in action!
Resemble.js : Image analysis
Compare two images? Drop two images on the boxes to the left. The box below will show a generated 'diff' image, pink areas show mismatch. This example best works with two very similar but slightly different images. Try for yourself! Don't have any images to compare? Use example images Why? Resemble.js can be used for any image analysis and comparison requirement you might have in the browser. Howe
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GitHub - tsayen/dom-to-image: Generates an image from a DOM node using HTML5 canvas
Zooming
zoom.js
GitHub - jwagner/smartcrop.js: Content aware image cropping
GitHub - davidsonfellipe/awesome-wpo: :pencil: A curated list of Web Performance Optimization. Everyone can contribute here!
Holder.js - image placeholders in browser