1993 MOMspider and invention of META tags
1993 Aliweb
1994 site-index.pl
1994 fight on www-html
1995 http://wp.netscape.com/newsref/pr/newsrelease16.html
1995 Altavista & Infoseek
1995 WWW Conference -- ROBOTS tag
to find: Netscape first uses HTTP-EQUIV