HTMLEx è un filtro ISAPI 100%% gratuito per Microsoft's Internet Information Server, in grado di sostituire completamente gli scripts CGI per alcune caratteristiche avanzate dell'HTML come ad esempio contatore testuale e grafico, l'individuazione dell'IP del client, il cambiamento random di elementi della pagina (sfondi, avvisi, colori del testo) etc.

Server VariableValue
SERVER_SOFTWARE%SERVER_SOFTWARE%
CONTENT_LENGTH%CONTENT_LENGTH%
CONTENT_TYPE%CONTENT_TYPE%
GATEWAY_INTERFACE%GATEWAY_INTERFACE%
PATH_INFO%PATH_INFO%
PATH_TRANSLATED%PATH_TRANSLATED%
QUERY_STRING%QUERY_STRING%
REMOTE_ADDR%REMOTE_ADDR%
REMOTE_HOST%REMOTE_HOST%
REMOTE_USER%REMOTE_USER%
REQUEST_METHOD%REQUEST_METHOD%
SCRIPT_NAME%SCRIPT_NAME%
SERVER_NAME%SERVER_NAME%
SERVER_PORT%SERVER_PORT%
SERVER_PROTOCOL%SERVER_PROTOCOL%
HTTP_USER_AGENT%HTTP_USER_AGENT%
HTTP_ACCEPT%HTTP_ACCEPT%
Last~Current~
~Cnt%LastCnt%%CurrentCnt%
~GraphCnt%LastGraphCnt%%CurrentGraphCnt%
~ClientIPAddress%LastClientIPAddress%%CurrentClientIPAddress%
~ClientHost%LastClientHost%%CurrentClientHost%
~ClientBrowser%LastClientBrowser%%CurrentClientBrowser%
~AccessDate%LastAccessDate%%CurrentAccessDate%
~AccessTime%LastAccessTime%%CurrentAccessTime%
~FileUpdateDate%LastFileUpdateDate%-
~FileUpdateTime%LastFileUpdateTime%-