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Large-scale websites performance optimisation tricks @PHPUK2016

by Georgiana Gligor

Published February 18, 2016 in Technology

Practical lessons learned while revamping a US airline website to resist huge Black Friday and Cyber Monday traffic values. Using HTTP status codes and PHP cleverly, we have made parallel requests possible, so that the user experience is greatly enhanced, and we pre-cache resource-consuming user searches. All on a solid Symfony2 foundation.