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              写字楼里写字间，写字间里程序员；程序人员写程序，又拿程序换酒钱。酒醒只在网上坐，酒醉还来网下眠；酒醉酒醒日复日，网上网下年复年。
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      <a title='一个 JS 脚本实现网站预加载，提升页面加载速度' href='/2019/08/23/A24-instant.page/'><img class='thumbnail' src='https://cdn.jsdelivr.net/gh/TRHX/ImageHosting/ITRHX-PIC/thumbnail/JavaScript.png'></a>
    
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      一个 JS 脚本实现网站预加载，提升页面加载速度
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      <p><a href="https://instant.page/" target="_blank" rel="noopener">instant.page</a> 使用即时预加载技术，在用户点击之前预先加载页面。当用户的鼠标悬停在一个链接上超过 65 毫秒时，浏览器会对此页面进行预加载，当用户点击链接后，就从预加载的缓存中直接读取页面内容，从而达到缩短页面加载时间的目的。</p>
      
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