Wayback Machine is a public web archive for viewing historical versions of websites and submitting pages for preservation. It is used by...
Pros
- Largest and most widely indexed general-purpose web archive
- Provides historical snapshots spanning decades
- Supports on-demand page saving through Save Page Now
Cons
- Coverage and capture quality vary significantly by site
- Some pages lose functionality because assets or scripts were not archived
- Search and browsing can be slower than smaller archives
