Date on Google results

What does it mean if not there?

[spikedo55]

Here is one of the results for typing "car" for google.

Car and Driver - Home Page
Car and Driver Online is the most comprehensive source of auto information,
offering the highest quality vehicle tests in the business. ...
Description: Online version of the popular print magazine, with an interactive buying guide offering reviews of...
Category: Recreation > Autos > News and Magazines
www.caranddriver.com/ - 32k - Mar 25, 2003 - Cached - Similar pages

What does the date mean? In other searches, I see some of the results missing the date? What does that mean?

[top5jamaica]

means the last time that page was spidered by google's "freshbot"
more here: [webmasterworld.com...]

[Quinn]

That date is a fresh tag representing the last time that freshbot crawled the page.

[webmasterworld.com...]

too slow....