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Searching for posts is straightforward. Simply enter the tags you want to search for, separated by spaces. For example, searching for princess celestia will return every post that has both the princess tag AND the celestia tag.
Bronibooru offers several meta-tags that let you further refine your search, allowing you to query on things like width, height, score, uploader, date, and more. Consult the cheat sheet (to be added) for a complete list of what you can do.
This menu lets you make several changes without ever leaving the listing page. Simply select an option and whenever you click on a thumbnail, the action will be performed in the background.
This links to the wiki page for the tag. If the tag is an artist type, then you'll be redirected to the artist page.
The number next to the tag represents how many posts there are. This isn't always the total number of posts for that tag. If you're searching for a combination of tags, this will be the number of posts that have the tag AND the current tag query. If you're not searching for anything, this will be the number of posts found within the last twenty-four hours.
Some tag links may be colored green, purple, or red. Green means the tag represents a character. Purple means the tag represents a copyright (things like movies, music, brands, or companies). Red means the tag represents an artist.
When you're not searching for a tag, by default the tag list will show the most popular tags within the last three days. When you are searching for tags, the tag list will show related tags, sorted by relevancy.
In the listing page, you will notice that some thumbnails have a border. The meaning of this border depends on the color.
The post was flagged for deletion.
The post is pending moderator approval.
The post has child posts.
The post has a parent.