加速ajax请求 - 可以应用gzip压缩吗？

<IfModule mod_deflate.c>
  AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/json
</IfModule>

http {
    ...
    gzip on;
    gzip_comp_level 5;
    gzip_min_length 256;
    gzip_proxied any;
    gzip_vary on;
    gzip_types
        application/javascript
        application/json
        application/x-javascript
        text/css
        text/javascript
        text/plain
        text/xml;
    ...
}