Historical clue formulations

• URL starter — 2024-05-19
• Net letters — 2017-02-26
• It follows "//" in a URL — 2013-04-29
• Letters in a U.R.L. — 2009-09-09
• Letters after two slashes — 2008-12-31
• Internet address letters — 2008-07-06
• Part of a U.R.L. — 2006-11-29
• Net letters — 2005-02-04
• Internet letters, and a hint to this puzzle's theme — 2004-07-22
• Internet start-up? — 2004-01-19
• U.R.L. part — 2002-04-07
• http:// follower — 2001-01-16
• Part of an Internet address — 2000-05-20
• Internet letters — 1999-11-23
• Part of the Net, for short — 1998-10-04