You can change your account settings to filter out all NSFW content.
Alternatively, since NSFW can include more than just porn, you can block specific NSFW communities (most of which will probably come from lemmynsfw.com) as you encounter them. While logged in, if you encounter an NSFW community in your feed, just click on it to go to its main page (ex. [email protected], a community from my own blocklist), go to the sidebar, and click “Block Community”.
Two things you can do:
You can change your account settings to filter out all NSFW content.
Alternatively, since NSFW can include more than just porn, you can block specific NSFW communities (most of which will probably come from lemmynsfw.com) as you encounter them. While logged in, if you encounter an NSFW community in your feed, just click on it to go to its main page (ex. [email protected], a community from my own blocklist), go to the sidebar, and click “Block Community”.