I asked this [over on webmasters.meta][1] and the response was pretty clear. They stay on SF.
 Server-side webmastery thingies like php/apache/mysql configs are clearly Our Problem. Things like picking which packages to run, design within frameworks, increasing search-engine visibility, and suchall are Their Problem.

  [1]: https://webmasters.meta.stackexchange.com/questions/328/the-mod-rewrite-problem