правила для nginx
[cce]

root /usr/local/www/data/vs-kiev;

if (-f $request_filename) {
break;
}

set $supercache_file ”;
set $supercache_uri $request_uri;

if ($request_method = POST) {
set $supercache_uri ”;
}

if ($query_string) {
set $supercache_uri ”;
}

if ($http_cookie ~* “comment_author_|wordpress|wp-postpass_” ) {
set $supercache_uri ”;
}

if ($supercache_uri ~ ^(.+)$) {
set $supercache_file /wp-content/cache/supercache/$http_host/$1index.html;
}

if (-f $document_root$supercache_file) {
rewrite ^(.*)$ $supercache_file break;
}
[/cce]

ну и собственно не забываем настроить сам wp supercache