UniqueURL.md

Unique URL

Auto-Generated ID + Base58

• Combines uppercase letters, lowercase letters, and 58 digits.
• Easy for humans to read.
• Allows generation of diverse URLs (e.g., 6 characters can create 38 billion URLs).
• Uses auto-generated database keys.

1. Base58

Uses 58 combinations of uppercase letters, lowercase letters, and digits (excluding 0, O, l, I).

• Advantages:
  • Prevents confusion: Easy for humans to read, reducing errors (e.g., avoiding 0/O/l/I confusion).
  • Shorter URLs: More efficient than Base62.
• Disadvantages:
  • Smaller character set: Fewer combinations than Base62.
  • Limited special characters.

2. Base62

Uses 62 combinations of uppercase letters, lowercase letters, and digits.

• Advantages:
  • Larger combinations: Utilizes all 62 characters.
  • Short URLs: Efficient and widely compatible.
  • Excludes special characters: Suitable for various systems.
• Disadvantages:
  • Similar characters may cause confusion (e.g., 0/O/l/I).

3. Hash

• Advantages:
  • Guarantees consistent output length.
  • Low collision probability.
  • Produces the same result for identical inputs.
• Disadvantages:
  • Potential collisions.
  • Long URLs may require trimming hash values.

4. UUID

• Advantages:
  • High uniqueness.
  • Extremely low collision probability.
• Disadvantages:
  • Long URLs.
  • Hard to read.