At what point of the page load does the Adsense javascript request ads? My AdSense ads are displaying on an ASPX page with dynamic content (messages in a forum). With the high volume of messages, there is little chance that the page's content has already been indexed by Google, so AdSense has to determine the content at the point the javascript calls the object. If the javascript calls the script before most of the content has been loaded, does this create a problem for AdSense in determining the correctly targeted ads to display? If so, is there a method for correcting this? Cheers
Adsense Ads does not work that way. Every page with ad Adsense Ad are not crawled on real time. There is a crawler called "googlebot" (or similar) that works on background. On my site when I open a new page, so not crawled yet, usually the crawler visit that page several minutes later, and thus their content is cached so AdSense can put correct ads on fufure page impressions. However to chek new content, crawled pages can be crawled again: next week, or next month, or ... depending on page importance, page impressions, page changes, ...
Interesting. How then, can a message board post made only seconds ago instantly have ads displayed on it? I know Google is good, but they can't be that good. Can they? There must be some analyzing of content at the time the ads are rendered.
Maybe for uncrawled pages Google is using page title and/or page description. But IMO for those page Google use Ads related to general site theme, or even PSA Ads (Public Service Ads).