After blocking all traffic from China and Russia ( using Incapsula ) on an eCommerce application which only ship into USA, I noticed a significant performance improvement. Is there any drawback of country wide crawlers blocking consider SEO? Am I losing anything?
Fig 1: Look at AWS cloud watch. CPU usages, web traffic significantly reduced.
Fig 2: Server response time incredibly improved - Newrelic.
Fig 3: App index jumped up - Newrelic.