为什么Firefox在页面调整大小时重新请求字体？

Question

我有一个相当简单的Bootstrap3站点,其中包含一些嵌入CSS的自定义字体和@font-face规则.它很棒.这些页面是由Django生成的,所以当我测试它时,我也可以看到浏览器发出的本地请求.

当我调整浏览器窗口的大小时,我看到了数百个字体请求:

127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400italic.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_700.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400italic.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_700.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400italic.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_700.woff HTTP/1.1" 200 -
127.0.0.1 - - [04/Dec/2014 13:42:59] "GET /static/fonts/Source_Sans_Pro_400italic.woff HTTP/1.1" 

全部用于相同的自定义字体.一遍又一遍,直到我停止调整大小.

我意识到大多数人不会经常调整浏览器的大小,但为什么Firefox会这样做呢？我可以阻止它吗？

Chrome不会出现此行为.

这是文件的外观curl.它似乎有正确的Content-Type,并且那里没有奇怪的超级无法解决的东西.

HTTP/1.0 200 OK
Last-Modified: Sun, 30 Nov 2014 22:53:43 GMT
Content-Length: 65452
Content-Type: application/x-font-woff
Server: Werkzeug/0.9.4 Python/2.7.4
Date: Thu, 04 Dec 2014 14:13:57 GMT

Answer 1

其他人对 FF 提出了这样的建议：

<FilesMatch "\.(ttf|otf|woff)$">
<IfModule mod_headers.c>
        Header set Access-Control-Allow-Origin "*"
</IfModule>
</FilesMatch>