Reducing First Input Delay for a Better User Experience - SitePen

One common complaint around web applications is that they can feel slow or clunky compared with native applications. Sometimes we find sites that can take a long time to load (let’s say longer than 3 seconds) and sometimes those sites feel non-interactive or ‘janky’ when we try to interact with them. Many sites, especially those that leverage JavaScript heavily, can suffer from this problem as Jav

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greenletなどを使った入力時の処理