The reason for the difference in those two numbers is because Estimated pages
are a rough list of ALL links we find as we are crawling.
However, a lot of these links might be disregarded as redirections, invalid formats, links to docs ( PDFs, CSVs ) etc.
Therefore when we start generating the sitemap/screenshots, the crawler will only take a screenshot of only valid html
pages and ignore the rest.
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Written by Jeff
Updated over a week ago