March 13-15, 2019
Montreal, Canada

Performance optimisation: how do I go about it?

Every developer should be confident that their code is efficient and safe to run in production. But it can be hard to get started. How do we find out what load our app can handle? How do we prove it's not leaking memory or how do we identify the areas to optimise? What tools to use? What do the graphs mean? Let’s answer those questions by analysing a simple PHP app using some open source projects and tools.

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Kat Zien


Kat's programming background is in PHP and Go. Her main interests include automating #allthethings, sorting out legacy code and making things simpler and faster. She loves travelling and keeping active, appreciates good coffee and is a big Lego fan. She cycles across Europe with TechBikers ( to raise money for Room To Read, a charity supporting child literacy and girls' education (

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