Core Web Vitals workflows with Google tools | Articles | web.dev
Core Web Vitals workflows with Google tools Stay organized with collections Save and categorize content based on your preferences. Combine Google tools to audit, improve and monitor your website effectively. Core Web Vitals are a set of metrics that assess the user experience on criteria such as load performance, responsiveness to user input, and layout stability. A workflow for improving Core Web
Web Vitals | Articles | web.dev
Web Vitals Stay organized with collections Save and categorize content based on your preferences. Optimizing for quality of user experience is key to the long-term success of any site on the web. Whether you're a business owner, marketer, or developer, Web Vitals can help you quantify the experience of your site and identify opportunities to improve. Overview Web Vitals is an initiative by Google
Prevent DOM-based cross-site scripting vulnerabilities with Trusted Types | Articles | web.dev
anElement.innerHTML = aTrustedHTML; With Trusted Types enabled, the browser accepts a TrustedHTML object for sinks that expect HTML snippets. There are also TrustedScript and TrustedScriptURL objects for other sensitive sinks. Trusted Types significantly reduce the DOM XSS attack surface of your application. It simplifies security reviews, and lets you enforce the type-based security checks done w
Constructable Stylesheets | Articles | web.dev
Constructable Stylesheets Stay organized with collections Save and categorize content based on your preferences. It has always been possible to create stylesheets using JavaScript. However, the process has historically been to create a <style> element using document.createElement('style'), and then access its sheet property to obtain a reference to the underlying CSSStyleSheet instance. This metho
Rendering on the Web | Articles | web.dev
Rendering on the Web Stay organized with collections Save and categorize content based on your preferences. One of the core decisions web developers must make is where to implement logic and rendering in their application. This can be difficult because there are so many ways to build a website. Our understanding of this space is informed by our work in Chrome talking to large sites over the past f
日経がマルチページ PWA で新たな品質とパフォーマンスを実現 | web.dev
日経がマルチページ PWA で新たな品質とパフォーマンスを実現 コレクションでコンテンツを整理 必要に応じて、コンテンツの保存と分類を行います。 140 年以上の歴史を持つ日経は、日本で最も信頼できるメディア企業の一つです。紙媒体の新聞に加え、デジタル プロパティへの月間アクセス数は 4 億 5, 000 万回を超えています。日経は、ユーザー エクスペリエンスを向上させ、ウェブでのビジネスを加速するために、2017 年 11 月にプログレッシブ ウェブアプリ（PWA）（https://r.nikkei.com）をリリースしました。大きな成果が出ています パフォーマンスの向上 - Speed Index が 2 倍 - インタラクティブまでの時間が 14 秒短縮 - プリフェッチで読み込みが 75% 高速化 ビジネスへの影響 - オーガニック トラフィックが 2.3 倍 - コンバージョン（
Emscripten and npm | Articles | web.dev
Emscripten and npm Stay organized with collections Save and categorize content based on your preferences. How do you integrate WebAssembly into this setup? In this article we are going to work this out with C/C++ and Emscripten as an example. WebAssembly (wasm) is often framed as either a performance primitive or a way to run your existing C++ codebase on the web. With squoosh.app, we wanted to sh
Nikkei achieves a new level of quality and performance with their multi-page PWA | web.dev
Nikkei achieves a new level of quality and performance with their multi-page PWA Stay organized with collections Save and categorize content based on your preferences. With a publishing history of more than 140 years, Nikkei is one of the most authoritative media businesses in Japan. Along with their print newspaper, they have over 450 million monthly visits to their digital properties. To provide
Progressive Web Apps | web.dev
Capabilities that enable app experiences, built and deployed on the web. In this collection, you'll learn what makes a Progressive Web App special, how they can affect your business, and how to build them. For a course that breaks down every aspect of modern progressive web app development, check out Learn PWA.
WebAssembly Threads ready to try in Chrome 70 | Articles | web.dev
WebAssembly Threads ready to try in Chrome 70 Stay organized with collections Save and categorize content based on your preferences. WebAssembly (Wasm) enables compilation of code written in C++ and other languages to run on the web. One very useful feature of native applications is the ability to use threads - a primitive for parallel computation. Most C and C++ developers would be familiar with
Reduce JavaScript payloads with code splitting | Articles | web.dev
Reduce JavaScript payloads with code splitting Stay organized with collections Save and categorize content based on your preferences. Nobody likes waiting. Over 50% of users abandon a website if it takes longer than 3 seconds to load. Sending large JavaScript payloads impacts the speed of your site significantly. Instead of shipping all the JavaScript to your user as soon as the first page of your
Reduce JavaScript payloads with tree shaking | Articles | web.dev
Reduce JavaScript payloads with tree shaking Stay organized with collections Save and categorize content based on your preferences. Today's web applications can get pretty big, especially the JavaScript part of them. As of mid-2018, HTTP Archive puts the median transfer size of JavaScript on mobile devices at approximately 350 KB. And this is just transfer size! JavaScript is often compressed when
JavaScript の Promise: 概要 | Articles | web.dev
JavaScript の Promise: 概要 コレクションでコンテンツを整理 必要に応じて、コンテンツの保存と分類を行います。 デベロッパーは、Google Cloud の歴史における重要な瞬間に備えましょう ウェブ開発 [ドラムロールの開始] JavaScript に Promise が加わりました。 [花火が爆発し、キラキラした紙の雨が上方から降り、観客は盛り上がる] この時点で、次のいずれかのカテゴリに分類できます。 みんながあなたの周りを応援しています。でも、何が騒がれているのかはわかりません。 表示されます。もしかしたら、あなたはこの言葉の「Promise」があります肩をすくめますが、 キラキラした紙の重さがあなたの肩にかかっています。その場合は、 なぜそれが気に入ったのかわかってくれると、何年もかかりました。 ありません。最初から始めることをおすすめします。 パンチしたね！
Webpack | Articles | web.dev
Webpack Stay organized with collections Save and categorize content based on your preferences. Modern web applications often use a bundling tool to create a production "bundle" of files (scripts, stylesheets, etc.) that is optimized, minified and can be downloaded in less time by your users. In Web Performance Optimization with webpack, we will walk through how to effectively optimize site resourc
The service worker lifecycle | Articles | web.dev
The service worker lifecycle Stay organized with collections Save and categorize content based on your preferences. The lifecycle of the service worker is its most complicated part. If you don't know what it's trying to do and what the benefits are, it can feel like it's fighting you. But once you know how it works, you can deliver seamless, unobtrusive updates to users, mixing the best of web and
Speed up service worker with navigation preloads | Blog | web.dev
Speed up service worker with navigation preloads Stay organized with collections Save and categorize content based on your preferences. Navigation preload lets you overcome service worker startup time by making requests in parallel. Summary In some situations, service worker boot-up time can delay a network response. Available in the three major browser engines, navigation preload fixes this by al
How to file a good browser bug | Articles | web.dev
How to file a good browser bug Stay organized with collections Save and categorize content based on your preferences. Telling browser vendors about issues you find in their browser is an integral part of making the web platform better. Filing a good bug but takes a little work. Your goal should be to make it as easy as possible for browser engineers to find what's broken, reach the root cause and,
Suumo | web.dev
Suumo Stay organized with collections Save and categorize content based on your preferences. Summary Japan's top real estate site supercharges new listings with web Push Notifications and sees a 31% open rate for notifications. Results 75% decrease in load time 31% open rate from web Push Notifications Download PDF Case study About Suumo SUUMO is Japan’s top real estate site, serving nearly 11% of
Creating a Lightsaber with Polymer | web.dev
Creating a Lightsaber with Polymer Stay organized with collections Save and categorize content based on your preferences. Summary How we used Polymer to create a high-performance WebGL mobile controlled Lightsaber that is modular and configurable. We review some key details of our project https://lightsaber.withgoogle.com/ to help you save time when creating your own next time you run into a pack
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