BlockScout can be resource intensive. If your instance is running slowly:
clear the cache - the application cache is cleared on restart by running:
sudo systemctl restart explorer.service
increase the memory limit for indexers https://github.com/poanetwork/blockscout/blob/b48305ece284e00084e2bb47ff1ad501bf24f115/apps/indexer/config/config.exs#L36 8 if indexing is slow.
increase the number of CPUs if CPU is running at 100% on the web app server
increase the memory if memory consumption is high on the web app server
increase the number of CPUs or/and increase the memory on the database server if consumption is high.
Instructions for accessing and upgrading CPUs/memory will differ based on your setup. If you are running BlockScout on AWS, these settings can be accessed through your AWS services portal.