Making a website faster is pretty much always the same process. It is not about guessing or tweaking something that might slow and checking if it got faster afterwards (ok, sometimes it’s actually this), but it is digging into what’s happening behind the scenes and actually measuring what’s eating time or memory. When it comes to debugging my favorite tools are xdebug+kcachegrind and New Relic. You can get a lot of very useful information when checking their colorful graphical representation of More

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