W3C Validator doesn’t load the actual sources

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I wanted to use W3C validator to optimize my WordPress blog. At the main page it claimed 28 errors. One of them for example was the following:

Line 28, Column 53: end tag for “meta” omitted, but OMITTAG NO was specified

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 <meta name="DC.Creator" content="Raffael Herrmann">

So I fixed it and clicked on revalidate. Nevertheless the validator says, that this error is still existent. But if I look at the browsers source code window from my webbrowser, I can see that may changes are delivered successful. If I check “Show Source” at the W3C validator options and reload my site, I can see, that the source code from my site, the validator uses, is outdated/without the changes.

So can anybody explain me why the W3C validator doesn’t recognize my changes? If you wan’t to have a look yourself – http://code-bude.net/ is the URL of my blog.

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  1. I know this is a little old, but I’m having the exact same issue right now, I found this thread, and then I found an easy workaround.

    The issue:

    I fixed some of the things the validator told me about, clicked the Revalidate button, and it shows the same errors and source code as it did before I made changes.

    Some caching is definitely happening somewhere. I’m using WordPress too, along with the W3TC plugin, but the only Browser cache setting I have enabled is Set Last-Modified header.

    The solution:

    I’ve ran into similar issues before with other services, and here is an easy workaround…

    Add “?x=1” to the end of the url, increasing the value each time you want to re-validate. This makes it skip the cache because it is a different url. (If you already have a question mark in the url, use “&x=1”. If you already have “x=” in the url, use anything else, like “y=”.)

    For example…

    If you want to validate the home page at:

    http://mydomain.com/

    …you can re-validate it at:

    http://mydomain.com/?x=1

    …and re-validate it again at:

    http://mydomain.com/?x=2

    …and so on.

    If you want to validate a dynamic page at:

    http://mydomain.com/mypage.php?x=123

    …you can re-validate that page at:

    http://mydomain_com/mypage.php?x=123&y=1

    …and validate it again at:

    http://mydomain_com/mypage.php?x=123?y=2

    …and so on.