This comparability can be an asset when one is seeking credible resources. Full text online databases are an excellent way to access resources with print comparability. A subscriber password may be required to access these databases. The Trexler Library Electronic Database page at Muhlenberg College offers several good examples. Checking for currency Web pages are often assumed to be current when in fact they may be two or three years out of date.
Most search engines show the date of each item retrieved.
This date represents the last recorded update of the page. Also, most search engines allow searching by date.