Title: Performance impact
Last modified: September 1, 2016

---

# Performance impact

 *  [Magistar](https://wordpress.org/support/users/magistar/)
 * (@magistar)
 * [9 years, 10 months ago](https://wordpress.org/support/topic/performance-impact-2/)
 * I have tried to figure out the performance impact of multi-site but most blogs
   just claim it has no impact. However forwarding can’t be free right?
 * Has anyone actually tested the performance impact of using this approach? E.g.
   how much latency get’s added by the plugin doing redirection?
 * [https://wordpress.org/plugins/wordpress-mu-domain-mapping/](https://wordpress.org/plugins/wordpress-mu-domain-mapping/)

Viewing 1 replies (of 1 total)

 *  Plugin Author [Ron Rennick](https://wordpress.org/support/users/wpmuguru/)
 * (@wpmuguru)
 * [9 years, 10 months ago](https://wordpress.org/support/topic/performance-impact-2/#post-7640719)
 * Redirecting by any method adds a delay to the request. That delay occurs in the
   client (browser) which has to do a second DNS lookup & URL request. The reason
   you aren’t seeing any the performance testing you are describing is that regardless
   of method the main delay is in the client.

Viewing 1 replies (of 1 total)

The topic ‘Performance impact’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/wordpress-mu-domain-mapping.svg)
 * [WordPress MU Domain Mapping](https://wordpress.org/plugins/wordpress-mu-domain-mapping/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wordpress-mu-domain-mapping/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wordpress-mu-domain-mapping/)
 * [Active Topics](https://wordpress.org/support/plugin/wordpress-mu-domain-mapping/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wordpress-mu-domain-mapping/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wordpress-mu-domain-mapping/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Ron Rennick](https://wordpress.org/support/users/wpmuguru/)
 * Last activity: [9 years, 10 months ago](https://wordpress.org/support/topic/performance-impact-2/#post-7640719)
 * Status: not resolved