HTTP Header Bad Response Code: 404. Blog Content is Fine. Articles Generate 404s

HTTP Header Bad Response Code: 404. Blog Content is Fine. Articles
Generate 404s

References

Reference NO 1

http://stackoverflow.com/questions/15206513/http-header-bad-response-code-404-blog-content-is-fine-articles-generate-404s

Reference NO 2

http://stackoverflow.com/questions/408405/easy-way-to-test-a-url-for-404-in-php

Reference NO 3

http://googlewebmastercentral.blogspot.com/2011/05/do-404s-hurt-my-site.html

Reference NO 4

http://en.wikipedia.org/wiki/HTTP_404

Reference NO 5

http://moz.com/learn/seo/http-status-codes

Reference NO 6

http://pageoneresults.com/400/soft-404s

Reference NO 7

http://www.rimmkaufman.com/blog/seo-and-404-pages/01022013/

Reference NO 8

http://www.codinghorror.com/blog/2007/03/creating-user-friendly-404-pages.html