Spider the whole internet???

2005-10-11
2013-04-08
  • happier5281
    happier5281
    2005-10-11

    I am one new user of weblech , and I find it's great and do help to me!
    by using weblech, I want to  ask some questions:
    1 I want to use weblech to spider in the whole internet ,what should i do?
    2 when downloading the web page, do it can identify the last-modify time of that page , and when the time isn't change, so weblech needn't
    to download that page again?
    need someone to help! thanks