I go: site.com/mypage
In cashe: mypage_/index.html
After I go: site.com/mypage/comment-page-1/
In cashe: mypage/comment-page-1_/index.html
After I send a comment.
In cashe:
mypage_/index.html (delete)
mypage/comment-page-1_/index.html (not changed)
After I go: site.com/mypage/comment-page-1_/index.html
And I see old page without my comment!