In the process of maintaining a site(#9), the resources may be added or removed. Hence a list of common resources may be better maintained, to detect the abnormal conditions.
Resources with Regular 200
Responding 404 recently. Notice
Resources may be removed without redirections.
Responding 404 once for a while. Warning
Abnormal condition to be investigated.
Hence just investigating the 404 pages to take care of your sitemap will help.
Consequently, external monitors or logs analyzer may be considered.
In the process of maintaining a site(#9), the resources may be added or removed. Hence a list of common resources may be better maintained, to detect the abnormal conditions.
NoticeWarningHence just investigating the 404 pages to take care of your sitemap will help.
Consequently, external monitors or logs analyzer may be considered.