Stay organized with collections Save and categorize content based on your preferences. A course exploring all aspects of responsive design. Learn how to make sites that look great and work well for everyone. Go back
User-centric performance metrics Stay organized with collections Save and categorize content based on your preferences. We've all heard how important performance is. But when we talk about performance, and about making websites "fast", what specifically do we mean? The truth is that performance is relative: A site might be fast for one user (on a fast network with a powerful device) but slow for a
対応ブラウザ <ph type="x-smartling-placeholder"></ph> 1 個 <ph type="x-smartling-placeholder"></ph> 12 個 <ph type="x-smartling-placeholder"></ph> 1 個 <ph type="x-smartling-placeholder"></ph> 1 個 ソース HTTP キャッシュの仕組み ブラウザが実行するすべての HTTP リクエストは、まずブラウザ キャッシュにルーティングされ、リクエストの実行に使用できる有効なキャッシュ レスポンスがあるかどうかが確認されます。一致する場合、レスポンスがキャッシュから読み取られるため、ネットワーク レイテンシと転送によって発生するデータコストの両方を排除できます。 HTTP キャッシュの動作は、リクエスト ヘッダーとレスポンス
Lancôme rebuilds their mobile website as a PWA, increases conversions 17% Stay organized with collections Save and categorize content based on your preferences. To drive both traffic and re-engagement, luxury cosmetics brand Lancôme launched a Progressive Web App (PWA) with Mobify to deliver a fast, app-like experience on the mobile web. 17% increase in conversions 53% increase in mobile sessions
Critical Rendering Path Stay organized with collections Save and categorize content based on your preferences. Optimizing the critical rendering path refers to prioritizing the display of content that relates to the current user action. Delivering a fast web experience requires a lot of work by the browser. Most of this work is hidden from us as web developers: we write the markup, and a nice look
Measure performance with the RAIL model Stay organized with collections Save and categorize content based on your preferences. RAIL is a user-centric performance model that provides a structure for thinking about performance. The model breaks down the user's experience into key actions (for example, tap, scroll, load) and helps you define performance goals for each of them. RAIL stands for four di
Apply instant loading with the PRPL pattern Stay organized with collections Save and categorize content based on your preferences. PRPL is an acronym that describes a pattern used to make web pages load and become interactive, faster: Preload the late-discovered resources. Render the initial route as soon as possible. Pre-cache remaining assets. Lazy load other routes and non-critical assets. In t
Why does speed matter? Stay organized with collections Save and categorize content based on your preferences. Consumers increasingly rely on the web to access digital content and services. If you look at your website's analytics, you can probably see this story playing out in your own data. Consumers are also more demanding than they've ever been, and when they experience your website, they aren't
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