This may not be a WordPress thing at all, but I've never seen it before and it's happening to a WordPress site we're completing. I use Xenu for checking sites for broken links, images etc. When I run it over our dev site I see loads of 404s for what are valid URLs, but with /yes and /no appended to them. i.e.


Has anyone seen anything like this before?!



  • 1
    Well, do you have these links in site anywhere?..
    – Rarst
    Apr 14, 2014 at 20:50
  • What happens if you try to load one of those URLs manually-- aka, paste it into a browser address bar?
    – s_ha_dum
    Apr 14, 2014 at 23:51
  • Good questions both - I don't believe I have those URLs (they don't appear in the HTML source of the pages, for example) and they give 404s Apr 15, 2014 at 7:24

1 Answer 1


I resolved the problem - we're using the Zemanta Related Posts and somehow that was adding references to missing thumbnail images with src="yes" and src="no". Regenerating the missing thumbnail images got rid of this problem.

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