What does the 404 tracking progress bar on my Dashboard mean?

When we capture 404s for you, our system also periodically checks to see if there is matching redirect for that 404. If a matching redirect is found, we will consider that 404 as "fixed". If no matching redirects are found, we will consider is as "not fixed" and will try matching it again in the future. Lastly, if we didn't get around to checking that 404 yet, we still label it as "still checking". 

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