From Seo Wiki - Search Engine Optimization and Programming LanguagesHeritage Microfilm of Cedar Rapids, Iowa. NewspaperArchive.com states that it is the largest online historical newspaper database.
As of June 2008[update] NewspaperArchive.com said it provided full text search for 909 million articles on 85 million pages over 240 years that represented 2,875 publication titles in more than 748 cities.
Searches can be conducted by keyword, date, and location. Results are free, but access to the newspaper articles in PDF format requires a subscription. Searching is available directly from newspaperarchive.com or via news.google.com/archivesearch. The company says that it follows the Automated Content Access Protocol in which its clients have a say in what is available online.
The digitized newspapers that are currently available and OCR'd represent a fraction of the 150 million pages of historical documents that Heritage Microfilm maintains in its microform archive. According to NewspaperArchive.com, it is microfilming 2.5 million pages of newspapers each month and has 180,000 reels of microfilm.
The website was brought down for two days in June 2008 by the Iowa Flood of 2008 which cut power to its data center in Cedar Rapids. The company said that its physical archives, which are stored on higher ground, were not damaged.