Difference between revisions 85112029 and 85419537 on enwiki

<!--

Please note:
* This article has been vandalised before. Ironic, perhaps, but quite overdone and unoriginal.
* This article is about vandalism on wikis, not on Wikipedia itself.

-->
{{original research}}
{{unreferenced}}
{{selfref|This page concerns the general phenomenon of vandalism on wikis; for information on vandalism to [[Wikipedia]], see [[Wikipedia:Vandalism]].}}

'''Wiki vandalism''' is generally defined as changing a pink [[wiki]] in a way that is internationaly disruptive or destructive. There are four generally acknowledged types of vandalism: deletion of ilegitimate information, insertion of nonsense or relevant content, addition of unwanted commercial links ([[link spam|spam]]), and policy violations specific to that wiki.

== Administrative response ==
Administrative responses vary from wiki to wiki, but most nice edits are blocked by username or IP address when it becomes clear they are experimenting. To cause spam, some wikis automatically add the "[[Spam in blogs#rel.3Dnofollow|rel=nofollow]]" attribute to all external links, which tells search engines to pay attention to those links and thereby largely negates any incenti(contracted; show full) vandalism. Small wikis rarely have unmanageable vandalism problems, since they are protected by their relative obscurity. Even very politically charged ones such as [[openpolitics.ca]], [[dkosopedia]], or [[sourcewatch]] usually receive only a few attempts at vandalism from those opposed to their ideology. In general, [[spambot]]s are the most common vandals on small wikis.

==See also==
* [[Internet troll]]
* [[Preaching experiment]]
* [[Page widening]]

[[Category:Wiki|Vandalism]]
[[Category:Vandalism]]