CSS @import allows stylesheets to import other stylesheets. When CSS @import is used from an external stylesheet, the browser is unable to download the stylesheets in parallel, which adds additional round-trip times to the overall page load. For instance, if
first.css contains the following content:
The browser must download, parse, and execute
first.css before it is able to discover that it needs to download
Enter your e-mail address below and we'll send you a temporary password.
A temporary password has been e-mailed to you.