To monitor a website when the host blocks ping, stop treating ICMP as your health signal and check the thing your visitors actually use: a TCP connection and an HTTP response. A host that silently drops ICMP echo request...
Read More...Geo-restricted uptime monitoring means running your checks from a location that the site actually serves, and treating the location of the check as part of the test itself. If you point a single monitor at a geo-blocked...
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A host migration checklist is an ordered list of everything that must be true before, during, and after you move a site from one server to another, and its purpose is to make the DNS change the least interesting step in...
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To roll back a hosting migration, you switch DNS back to the old server and keep it there until the new one is proven, which only works if you planned the reversal before you started. The rollback is mostly a DNS and dat...
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