It associates the URL of the page on the server side (the page that handles the requests) with a name that serves as its identifier on the client side.

此处理程序将服务器端页面(此页面处理此请求)的URL与在客户端用作其标识符的一个名称相关联。

youdao

This is a valid URL encoding as specified by RFC 1738, but if you submit the encoded string to a server-side script such as a JSP, you will get a space instead of the + character.

这是一个符合 RFC 1738 的有效 URL 编码，但如果将这个已编码的字符串提交给服务器端脚本，例如 JSP，结果将是一个空格而不是 + 字符。

youdao

The net effect is that, from the user's perspective, they are visiting a particular URL, but actually a different URL is being requested on the Web server side.

最终结果是，从用户角度来看，他们要访问某个特定的 URL，但从 Web 服务器端来看，被请求的却是另一个 URL。

youdao

This is easily discovered with a quick look at the URL. Before buying online, look for the padlock icon at the side of your address bar to ensure safety.

FORBES: The Black Market Price Of Your Personal Info