如果一个事件处理器花费了过长时间，它可能会延迟浏览器本身对未连接的事件的响应。
If an event handler takes too long, it might delay the browser's own responses to events that have not been hooked.
当出现请求聚集时，服务时间是不可预测的，用户会察觉到浏览器会话延迟。
When requests back up, the service time is unpredictable, and your users will be seeing stalled browser sessions.
通过减少请求数目，你的浏览器必须能对你的网站所有内容成功检索，总的HTTP请求延迟减少，从而加速了网站的加载时间。
By reducing the number of requests your browser must make to retrieve all of your website, you speed up your site's loading time with less overall HTTP latency for requests.
应用推荐