|See also:||NSFW, mature content, explicit, NC-17|
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Worksafe (or safe-for-work/SFW) is a term used to denote content deemed tame enough to be viewed on a computer at one's job.
The antonym is Not Safe For Work aka NSFW: a warning that something -- usually sexual images -- may be embarrassing or worse if the viewer clicks the link or scrolls down.
Many communities have strict rules about NSFW images, warnings, and even Icons.
Archive of Our Own
Archive of Our Own displays a warning every time if a users tries to access a work tagged as "Explicit". Logged in users can deactivate the warning.
DeviantArt also uses a filter option that won't show works tagged as mature content to guest users.
What are DeviantArt policies on nudity?
Submissions depicting nudity are allowed providing that the model is eighteen (18) years of age or older and providing that the image is not determined to be obscene or pornographic as detailed elsewhere in the FAQ.
All images containing nudity must be tagged as Mature Content upon submission. The DeviantArt staff reserves the right to mark any work with a general mature content tag if it is deemed by that staff member to require one.https://help.deviantart.com/23/
On Tumblr, post tagged #nsfw can be hidden from the user's dashboard if the option is activated in the user's account settings. This way, fanworks with adult themes won't be displayed. Tumblr also uses tag wrangling to show related terms to a tag, so people can tag their fanart and fanfiction published on tumblr accordingly so people who look specifically for adult/explicit works can find them.
Twitter also allows filtering of post and users posting so called "sensitive media". If the option is activated in the user's account settings, preview images and gifs will be hidden by default and have to be activated to be seen.