Two surprising TYPO3 Performance Tips for Extension Developers

I recently did a performance analysis of a TYPO3 installation. Just from looking at the code it could not spot any major performance problems so I dug out the big guns and had a look at the code with xhprof.

As a five year TYPO3 extension developer who has seen quite a few things I was really surprised to find two significant things that I have not known about before.

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