Avoid Bad Requests (404/410)


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Applicable To
All Browsers

How Improves Page Load Time
By optimizing number of network round trips

Prologue
During application life time, code churning is a norm and in the process, when resources change their location or got deleted, URL(s) referencing to it might not have been updated.  For these kind of requests, server respond by issuing 404 “Not Found” or 410 “Gone” responses.


Why
o        To minimize unnecessary network roundtrips
o        To develop a professional website and avoid bad user experiences
o        If moved / deleted resources are JS / CSS then it might block subsequent processing and can “Crash” the system


How
o        Scanning the web site for the broken links using ‘link checking tool’
o        Application should have way (automatically) of updating URL references whenever resources change their locations


Exceptions
None


Recommendations
None

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