Why checking whether a URL responds is not the same as checking where visitors actually land after redirects.
A link can return a successful response and still send visitors somewhere unexpected.
Most monitoring tools answer one question:
Did the URL respond?
That matters, but it is not always enough.
Where did the visitor actually land after redirects?
Most uptime tools answer the same question. They tell you "is service X up?" from one vantage point...
Originally published on the Merlonix blog. A broken-link checker does one well-defined thing: it...
What uptime monitoring actually checks, the difference between HTTP, keyword, heartbeat and TCP...
Every short link is a redirect handler, and a redirect handler sits in an unusually good spot: it...
Most uptime monitors answer one question: is it up or down? But some of the worst incidents I've...
I keep a ledger of every profile, article, and directory entry that points at the sites I run. For a...
