Common fields of bookmarks are:

• Title - the Title of the bookmark. This can either be the actual title of the corresponding URI or something the user created;
• URL - the URI/URL the bookmark is about;
• Description - a short piece of text describing the URL;

The above fields are supported by most Web-browsers. Applications and Services have added additional fields:

• Tags - a list of keywords (WebnoteHappy, SiteTagger);
• Rating - an appreciation of the bookmark (SiteTagger);
• Shared - indicates whether the bookmark has been shared with a Service (WebnoteHappy);
• Import Source - indicates via which route the bookmark came into the application (WebnoteHappy);
• Favicon - a small icon from the web-page (SiteTagger);
• Image - this can be an image of a part of the web-page (SiteTagger), a thumbnail or an archived image;

Related Types are Ratings and Reviews.

Applications that support bookmarks are: Cocoalicious, WebnoteHappy, SiteTagger.