Facebook always keeps you on your toes as a developer. The FQL calls are really slow the last 24hrs, so I had to update a couple pages to make max one FQL call per php page load.

A common problem is that Facebook itself is slow, due to FQL calls, php css sanitisers, image cache down, etc… and if they go over their set time-limit it reports the error to the user as my applications fault. Painful.

CSS is nice with a single style sheet for many pages, but this isn’t great for Facebook applications. They have a slow sanitiser process in the middle for everything. Less checking for them is way better for you. Any heavy used pages (index) should have dedicated style pages that only contain that exact classess, etc they require.

These changes have helped me, but I always need more…  when Facebook has a bad day it shows any error as my fault not theirs.

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