Limitations on Data

Username and Password

 * Username
 * 15 characters (only lowercase letters a-z, digits 0-9, and underscore; may not start or end with underscore or have more than one underscore in a row)


 * Password
 * between 6 and 30 characters (inclusive). Must meet certain complexity requirements:
 * at least 4 different characters.
 * 1 digit or symbol.
 * may use only ASCII characters.
 * Not based on your username, email address, displayed name, or a commonly-used password.

Edit Profile

 * Name &amp; Email
 * 50 characters each


 * Webpage URL and Webpage Name
 * 255 bytes each


 * AOL IM
 * 28 characters


 * ICQ UIN
 * 12 characters (standard)


 * Yahoo! ID
 * 33 characters (standard)


 * MSN Messenger, Jabber, Google Talk
 * 60 characters each


 * Skype
 * 40 characters


 * Gizmo Project
 * 25 characters


 * City
 * 60 characters


 * State/Province/Territory
 * 50 characters


 * Bio
 * 65,535 bytes or characters

Comments

 * Comments
 * 9,000 bytes or 4,300 characters


 * Comment Subjects
 * 100 characters

Entry Input Limits

 * Entry Text
 * 65,535 bytes or 52,670 characters


 * Current Mood (from the Web Update Form)
 * 30 characters


 * Current Music (from the Web Update Form)
 * 60 characters


 * Current Mood and Music (from a LiveJournal Client)
 * 255 bytes or 100 characters


 * Subject
 * 255 bytes or 100 characters

Other Entry Limits

 * Entry Dates
 * 1970-01-01 to 2037-12-31


 * Recent Entries View
 * Shows 400 entries, on multiple pages. Switches to Day View after 400 entries.  Minimum of 1 entry per page.  Maximum of 50 entries per page.

Friends

 * Friended Accounts
 * 1000 for Basic/Early Adopter/Plus accounts. 2000 for Paid/Permanent accounts.


 * Friend Filters/Custom Friend Groups
 * 30

Memories

 * Memory Keywords
 * 40 characters, 5 keywords per memory


 * Memory Titles
 * 80 characters


 * My LJ Note to Self
 * 255 characters

Polls

 * Poll Names
 * 1,000 characters


 * Poll Questions
 * 1,000 characters, 255 questions per poll


 * Poll Radio and Check Box Options
 * 500 characters, 255 options per question


 * Poll Text Entry Responses
 * 255 characters

S2

 * Custom Layers
 * 150


 * Custom Styles
 * 50

Userpics

 * Userpic Keywords
 * 40 characters, 5 keywords per userpic


 * Userpic Comments
 * 120 characters

Other Input Limits

 * Total Custom Mood Themes
 * &infin;


 * Custom Mood Theme Image URLs
 * 100 characters


 * Journal Titles
 * 80 characters


 * Total Memories
 * &infin;


 * Total Memory Keywords
 * &infin;