Paper or spreadsheet visitor logs give security no real-time visibility and make after-the-fact investigation slow and incomplete.
Pre-registration
ID capture at gate
Badge issued
Host notified
Visitors register in advance, cutting front-desk wait time.
Government ID scanned in seconds, no manual entry.
The person being visited is notified automatically.
A complete, timestamped record of entry and exit.
Access control systems
Turnstiles and gate hardware
Corporate directories for host lookup
Very low-traffic sites with a handful of visitors a week may not need a dedicated system beyond a simple sign-in sheet.