These crawls are part of an effort to archive pages as they are created and archive the pages that they refer to. That way, as the pages that are referenced are changed or taken from the web, a link to the version that was live when the page was written will be preserved.
Then the Internet Archive hopes that references to these archived pages will be put in place of a link that would be otherwise be broken, or a companion link to allow people to see what was originally intended by a page's authors.
The trend to low-carb, gluten-free diets, the fading allure of the lunchtime sarnie and a weaker pound raising costs are a perfect storm for British bakers
Observer business agenda Primark success proves cheap and cheerful can still conquer high street