id: url is unique, title is not. #1
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crc32($match['url']) is unique. crc32($title) - Different pages can have the same title or no title at all Would crc32(md5($match['url'])) also be better?
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crc32($match['url']) is unique.
crc32($title) - Different pages can have the same title or no title at all.
Would crc32(md5($match['url'])) also be better?
Previous crawled websites would need a new database and to be crawled again to update ids.