Thanks for reporting this bug. I've spoken to Shaun McCance, the Yelp
developer, about this on several occasions. IIRC, Yelp reads pretty much
all of the files (XML, XSLT etc.) it might need for a session before it
renders the first page. This causes a significant delay between clicking
the Help
*** This bug is a duplicate of bug 294182 ***
https://bugs.launchpad.net/bugs/294182
this is a long standing issue and a known one, bug 294182 is the one
you're tracking for this, marking it as a duplicate.
** This bug has been marked a duplicate of bug 294182
GNOME's Help Slow to Load