+> Privoxy compresses buffered content before delivering it to the client,
+ provided the client supports it.
+ </P
+></DD
+><DT
+>Notes:</DT
+><DD
+><P
+> This directive is only supported if Privoxy has been compiled with
+ FEATURE_COMPRESSION, which should not to be confused with FEATURE_ZLIB.
+ </P
+><P
+> Compressing buffered content is mainly useful if Privoxy and the
+ client are running on different systems. If they are running on the
+ same system, enabling compression is likely to slow things down.
+ If you didn't measure otherwise, you should assume that it does
+ and keep this option disabled.
+ </P
+><P
+> Privoxy will not compress buffered content below a certain length.
+ </P
+></DD
+></DL
+></DIV
+></DIV
+><DIV
+CLASS="SECT3"
+><H4
+CLASS="SECT3"
+><A
+NAME="COMPRESSION-LEVEL"
+>7.6.11. compression-level</A
+></H4
+><P
+></P
+><DIV
+CLASS="VARIABLELIST"
+><DL
+><DT
+>Specifies:</DT
+><DD
+><P
+> The compression level that is passed to the zlib library when compressing buffered content.
+ </P
+></DD
+><DT
+>Type of value:</DT
+><DD
+><P
+> <TT
+CLASS="REPLACEABLE"
+><I
+>Positive number ranging from 0 to 9.</I
+></TT
+>
+ </P
+></DD
+><DT
+>Default value:</DT
+><DD
+><P
+>1</P
+></DD
+><DT
+>Notes:</DT
+><DD
+><P
+> Compressing the data more takes usually longer than compressing
+ it less or not compressing it at all. Which level is best depends
+ on the connection between Privoxy and the client. If you can't
+ be bothered to benchmark it for yourself, you should stick with
+ the default and keep compression disabled.
+ </P
+><P
+> If compression is disabled, the compression level is irrelevant.
+ </P
+></DD
+><DT
+>Examples:</DT
+><DD
+><P
+> <TABLE
+BORDER="0"
+BGCOLOR="#E0E0E0"
+WIDTH="90%"
+><TR
+><TD
+><PRE
+CLASS="SCREEN"
+> # Best speed (compared to the other levels)
+ compression-level 1
+ # Best compression
+ compression-level 9
+ # No compression. Only useful for testing as the added header
+ # slightly increases the amount of data that has to be sent.
+ # If your benchmark shows that using this compression level
+ # is superior to using no compression at all, the benchmark
+ # is likely to be flawed.
+ compression-level 0
+ </PRE
+></TD
+></TR
+></TABLE
+>