Looks like a drop of about 40% in crawler users for Bing and similar for Google corresponding to the same time in your first graph. How do the pageviews per crawler look here /admin/reports/page_view_crawler_reqs?
Looks like a drop of about 40% in crawler users for Bing and similar for Google corresponding to the same time in your first graph. How do the pageviews per crawler look here /admin/reports/page_view_crawler_reqs?