January 2025
Intermediate to advanced
188 pages
4h 13m
Japanese
Content preview from UXデザインの法則 第2版 ―最高のプロダクトとサービスを支える心理学
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概要
システムのパフォーマンス
（応答時間）
は優れたユーザー体験を届ける上で欠かせな
い。タスク実行時に処理速度の低下やフィードバックの欠如、あるいは過度に長い
読み込み時間を体験したユーザーはすぐにいらだちを募らせ、そのネガティブな印
象は長い期間残ってしまう。パフォーマンスは単に技術屋の頑張りどころとしてデ
ザインには関係ないと見過ごされることが多いが、優れたユーザー体験の核となる
本質的な要素として捉えられるべきだ。プロダクトやサービスの最初の画面表示に
かかる時間をいかに減らすか、ユーザーの入力への反応とそれに対するフィード
バックをいかに速く返すか、後続ページをいかに速く読み込むかなど、システムの
応答時間は全体的なユーザー体験の鍵となる。
ウェブサイトやアプリのパフォーマンスに影響を与える要素はいくつかあるが、
その中で最も重要な要素はページ容量、つまりファイル、文章、メディアを含むペー
ドハティのしきい値
Doherty Threshold
10
CHAPTER
応答が0. 4秒以内のとき、コンピューターとユーザーの双方が最も生産的に
なる。
0. 4秒以内にフィードバックを行うことで、ユーザーの注意を引きつけ、生産性
を高めよう。
体感性能を改善し、感じられる待ち時間を減らそう。
アニメーションを入れることで、バックグラウンドで読み込みや処理が行われ
ている間も、ユーザーをつなぎとめられる。
プログレスバーは、正確であってもなくても待ち時間へのいらだちを和らげる。
ほとんど処理時間がかか ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.