404 error
A 404 error means the server was reached but could not find the page that was asked for.
The browser found the website, but the page address does not exist there, perhaps because it moved or was mistyped.
Why it matters for a small business
A visitor who lands on a 404 sees a dead end. Check your own links from Google, Instagram and your WhatsApp profile.
Source: MDN, '404 Not Found'
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