April 2024
Intermediate to advanced
544 pages
8h 27m
Japanese
Content preview from Real World HTTP 第3版 ―歴史とコードに学ぶインターネットとウェブ技術
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9章HTTP/2時代の新しいユースケース
『ウルトラマンZ』の防衛隊、ストレイジの備品に印字されたQRコード[1]
3章と6章ではブラウザに追加された機能を紹介しました。本章でもさまざまな機能を紹介しますが、ブラウザ向けの機能はごく一部です。検索エンジンやソーシャルメディアの存在が大きくなり、それらのシステム上でコンテンツの価値を最大化するための仕組みがいろいろと追加されました。本章ではブラウザとサーバー間の通信ではなく、検索エンジンやソーシャルメディアが理解するプロトコルを中心に紹介します。curlコマンドは使いません。
9.1 レスポンシブデザイン
3章で紹介したように、以前はユーザーエージェント情報を見てモバイル向けのコンテンツを配信するのが主流でした。しかし、ユーザーエージェントは正規化されていない情報なので、正しく判定できない可能性もあります。フィーチャーフォン時代には、各キャリアがIPアドレス範囲の一覧を公開していたため、それを見てモバイル端末の判定を行っていたウェブサイトもあったようです。
小さなスクリーンのユーザーに適したレイアウト、あるいはタブレット端末の縦横方向それぞれに最適なレイアウトなど、さまざまなユースケースでより間違いが少なく、確実に、適切な表現を可能にするのが、現在広く使われている ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.