The Last-Modified header validates based on the component's timestamp.
在最后修改标头验证基于组件的时间戳。
The Last-Modified header indicates when the asset last changed - again, in GMT.
Last - Modified报头表示资产最后一次更改的时间——同样是在GMT中。
Making sure that the page returns a proper Last-Modified response header allows for more efficient processing if the user invokes the browser's Refresh action, or traverses to the same page again.
确保页面返回正确的Last - Modified响应头，如果用户调用浏览器的Refresh动作，或者再次浏览同一页面，这将能更有效地进行处理。
The Last-Modified entity header field value is often used as a cache validator.
Last-Modified实体头部字段值通常用作一个缓存验证器。
Firefox handles the lack of an Expires header differently. If there is a Last-Modified response header it USES a heuristic expiration value as specified in the HTTP 1.1 spec rfc2616.
Firefox处理缺失expires头的方式不同。如果影响中有Last - Modified头它就会使用HTTP 1.1规范RFC2616中指定的一个尝试性的过期值。
The client also reads the Last-Modified response header and sends back the date value in an If-Modified-Since header to ask the server if the resource has changed.
客户端还读取Last - Modified响应Header，并在if - Modified - Since Header中发回日期值，以向服务器询问资源是否已更改。
The client also reads the Last-Modified response header and sends back the date value in an If-Modified-Since header to ask the server if the resource has changed.
客户端还读取Last - Modified响应Header，并在if - Modified - Since Header中发回日期值，以向服务器询问资源是否已更改。
应用推荐