A number of users have told me that posting to b2 is sometimes really slow. I suspected it was because b2 pings weblogs.com and blo.gs, and this post shows that it is a problem with weblogs.com
PHP Traveller documented a way for PHP to execute commands after a browser session/request is completed. It looks like a feature that isn’t very portable across PHP versions so probably not a reasonable solution for a publicly distributed application.
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