Issues with vandalism

A significant difference from the Swedish Wikipedia was that Susning did not have any voluntary administrators who could assist in blocking other users; the only person who could do that on Susning was Lars Aronsson. As Susning grew, the issue with vandalism became bigger. In December 2003, Susning was affected by a vandal who had automatized their activity through a script. In just a few minutes, thousands of articles were deleted. Several users were forced to spend hours restoring them. The issues increased even further with vandals who added pornographic images and made the site inaccessible. The issues with vandalism were practically going on daily. To aid removal and discovery of vandalism, a "karma system" was added on February 22, 2004. The system derailed fairly soon, as the karma only could decrease. Because of this, even the most established "susare" were affected by bad karma. The karma system was shut down on March 25, 2004.

As a last attempt at preventing vandalism, the ability to see images was shut down entirely on April 5, 2004. However, a couple of days later it was possible to add images from certain chosen domain names. Due to a bug in the system, there were ways to evade this, which the vandals utilised. The bug was fixed on April 15, 2004, but a few minutes later that day, all editing on Susning.nu was shut down. Aronsson announced that the editing abilities would be shut down until a solution to the vandalism issues had been found, and that a password system would be imposed.

Demise and closure

After the imposing of the password lock, Susning became a significantly more inactive project, and a dozen users made almost all edits. In March 2004, before the password system was imposed, articles were saved approximately 36,000 times; by May, this had been reduced to 1,600 times. On May 11, 2004, editing on Susning.nu was temporarily opened for non-logged-in users, but after just 18 hours, vandalism had once again become such a big problem that non-logged-in editing was once again shut down. In March 2006, editing by non-logged-in users was opened on Sunday afternoons between 12:00–16:00. A year later, editing between 06:00–07:00 each day was enabled as well. Overall, this worked well but with a bit of vandalism.

In mid-2008, the website was affected by a persistent spammer who used proxy servers to spam different articles with English advertisement links. In April 2009, this forced Aronsson to remove the daily editing abilities between 06:00–07:00. The editing abilities during Sunday afternoons, however, continued to be open despite recurring spam attacks. By this time, very few users were still creating and editing articles on the website, which was shut down entirely in mid-August 2009; no reason for this was ever announced.

Opinions

An aired opinion was that Susning's status as a one-man project on the technical side was a big aberration. Some meant that divided responsibility of the site probably would have meant increased innovation tact, bigger predictability and better communication between technicians and "susare". Lars Aronsson clarified that he saw Susning.nu as his own project and that he was not interested in letting others control it. After imposing editing on Sunday afternoons only, Aronsson himself used Susning mostly as a logbook where he saved links regarding, for example, Google and Wikipedia.

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Unlike its main competitor, the Swedish Wikipedia, Susning.nu placed advertisements on some of its articles. It also had no license agreement, which meant that the contributions remained copyrighted by their submitters (the right to modify was said to be implicit in the site's function). This in turn meant that third parties, such as Wikipedia editors, could not legally use Susning.nu materials contributed by others without permission. It also meant that Susning.nu depended solely on Lars Aronsson's willingness to continue the project.