Drupal Performance

http://drupal.stackexchange.com/questions/24180/how-do-you-improve-drupal-performance


Performance and scalability Testing Module  :
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https://www.drupal.org/project/blazemeter


maintain Coding Standards of the project : 
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https://www.drupal.org/project/coder


Best practices for creating and maintaining projects :
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https://www.drupal.org/node/7765

Tips for a great project page