What gzip_types are recommended?

[Igor Sysoev]

On Tue, Dec 09, 2008 at 11:50:23PM -0500, KT Walrus wrote:

> Thanks.
> 
> Is there a delete_header or replace_header directive?
> 
> I'm trying to specify the character encoding for my css file, and this  
> results in two Content-Type headers:
> 
> HTTP/1.1 200 OK
> Server: nginx/0.6.34
> Date: Wed, 10 Dec 2008 04:43:16 GMT
> Content-Type: text/css
> Content-Length: 12577
> Last-Modified: Wed, 10 Dec 2008 02:39:22 GMT
> Connection: keep-alive
> Cache-Control: max-age=86400, must-revalidate
> Content-Type: text/css; charset=iso-8859-1
> Accept-Ranges: bytes
> 
> I suppose this is a mostly pointless thing to do, but I'm trying to  
> learn how nginx works with headers.
> 
> I expected that when I did "add_header Content-Type" that it would  
> have the option of replacing any existing header.

You may set charset using

        charset  iso-8859-1;

There is no delete_header or replace_header. You may delete a header using

        add_header  NAME  "";

but it does not works with any headers.

> Kevin
> 
> On Dec 9, 2008, at 6:34 PM, mike wrote:
> 
> >On Tue, Dec 9, 2008 at 1:40 PM, KT Walrus <kevin at my.walr.us> wrote:
> >>What gzip_types are safe to compress with most  browsers?  Can  
> >>javascript
> >>and css be safely compressed?
> >
> >I have this
> >gzip_types text/plain text/css application/x-javascript text/xml
> >application/xml application/xml+rss text/javascript;
> >
> >seems to work well. Never had any complaints.
> >
> >
> >>http://wiki.codemongers.com/NginxHttpGzipModule#gzip_types
> >>
> >>Might be nice to update the link above with the answer.
> >>
> >>Also, can I make sure that Javascript and CSS files are cached for  
> >>the user
> >>and can I set an Expires: time for these file types?
> >
> >Yes
> >
> >location ~* \.(jpg|jpeg|gif|css|png|js|ico|html)$ {
> >       expires max;
> >}
> >
> >
> >>Thanks.  I'm new to nginx and I am trying it out to see how much it  
> >>helps
> >>with performance for a PHP coded forum site.
> >>
> >
> >http://getfirebug.com + yslow! for firefox. makes determining this  
> >stuff easy
> >
> 

-- 
Igor Sysoev
http://sysoev.ru/en/