Some cache plugin tend to bypass cache over comment_author
cookie which expires in 347 days.
-
When this is set, it allow WordPress to serve personalized experience in comment author by auto-filling name, email, site URL but this affect perf. Means returning visitor will have always uncached response.
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Worst, when this is checked and plugin dont bypass cache over ‘
comment_author
’ cookie. In that case, visitor’s emailvisitor@example.com
get exposed!
So, must uncheck this option for better performance for returning visitors.