# Dev Dependency Analyzer
|Category||Severity||Time To Fix|
|🚀 Performance||Major||1 minute|
This analyzer ensures that you do not have any dev dependencies installed in a production environment.
Dev dependencies can slow down your application in production. Dev packages are typically used for debugging and can have quite a significant overhead, especially with package auto discovery enabled.
Some of these packages record queries, events and other activities in memory, which produces both processing and memory overhead.
To run a Composer install on production, it is recommended to use the
--no-dev flag to ensure dev dependencies are not installed:
composer install --prefer-dist --no-dev -o