Browser.send pings.require same host

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The Web Applications 1.0 specification (also known as HTML5) defines a new attribute for <a> elements: ping. This attribute contains one or more URIs to “ping” (send a POST request to) when the user clicks the link. The attribute would be useful for letting websites track visitors’ clicks.

This preference determines whether the URIs to ping must be on the same host as the current page.

Possible values and their effects


Only ping the URI if it has the same host as the document containing the link.


Allow third-party hosts to be pinged. (Default)


First checked in

2006-06-01 by Darin Fisher

Has an effect in

  • Mozilla Firefox (all trunk builds since 2006-06-01)
  • SeaMonkey (all trunk builds since 2006-06-01)

Related bugs

Related preferences

External links