A website check shows the state at one moment. The state can change without anyone touching your site, so it helps to know when to look again.
A new design, a change of hosting, a new email provider or a DNS edit can each break something quietly. A check right afterwards finds it early. That includes small changes.
Certificates and domain registrations have end dates. A check shortly before them shows whether renewal worked.
A new newsletter tool, shop or contact form sends email for you. It should be on your SPF record and be able to sign messages.
A look every few months catches what slipped through. Pick a date, such as the start of a quarter, and keep to it. Keep the result, and you can see what has changed.
Our free Website check can be run as often as you like, and it takes only your address. Open Website check
Last reviewed: 2026-11-02
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