# Does putting methods in Application.rb slow things down?

**URL:** <https://www.ruby-forum.com/t/does-putting-methods-in-application-rb-slow-things-down/163902>\
**Category:** Rails\
**Created:** [March 25, 2009, 11:54pm UTC](https://www.ruby-forum.com/t/does-putting-methods-in-application-rb-slow-things-down/163902 "2009-03-25T23:54:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![david](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/aeb1de/32.png) [@david](https://www.ruby-forum.com/u/david)\
**Post date:** [March 25, 2009, 11:54pm UTC](https://www.ruby-forum.com/t/does-putting-methods-in-application-rb-slow-things-down/163902/1 "2009-03-25T23:54:14Z")

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I’m wondering if including a method or a library or a stylesheet in  
Application.rb will slow things down for a controller that doesn’t use  
any of what is listed above?

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<div class="post-metadata">

**Author:** ![david](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/aeb1de/32.png) [@david](https://www.ruby-forum.com/u/david)\
**Post date:** [March 25, 2009, 11:57pm UTC](https://www.ruby-forum.com/t/does-putting-methods-in-application-rb-slow-things-down/163902/2 "2009-03-25T23:57:45Z")

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No.

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Maurício Linhares  
[http://alinhavado.wordpress.com/](http://alinhavado.wordpress.com/) (pt-br) | [http://blog.codevader.com/](http://blog.codevader.com/)  
(en)