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Pass-through Vs. 301 redirects

Discussion in 'Search Engine Optimization' started by mony49, Dec 17, 2013.

  1. #1
    Hi all,

    I'm redesigning my website.
    Most of my old URLs end in .html, and my new site was built using Wordpress.

    My developer has instructed me to use a "pass-through" redirect, and I wonder what impact (if at all does that have on SEO).
    I read that a 301 redirect is the most preferable way to redirect from old URLs for SEO, but can't find anything on pass-throughs, and what their impact is.

    Can anyone help?

    Thanks!

    Attached Files:

    mony49, Dec 17, 2013 IP
  2. jk.deff

    jk.deff Member

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    #2
    You can install Live HTTP Headers firefox addon
    and check if "pass-through" redirect is 301 or 302 redirect.
    jk.deff, Dec 17, 2013 IP
  3. mony49

    mony49 Greenhorn

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    #3
    Thanks, but I can't get how it works...I installed the addon, closed and re-opened Firefox, and I don't see any addon on the screen...I know it has been installed because when I go to the add-on menu, it's asking whether I want to remove it...
    mony49, Dec 17, 2013 IP
  4. jk.deff

    jk.deff Member

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    #4
    Firefox --> Tools --> View HTTP headers
    Or write here a link to your page with a "pass-through" redirect and I'll tell you if it is a 301 or 302 redirect.
    jk.deff, Dec 17, 2013 IP
  5. mony49

    mony49 Greenhorn

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    #5
    http://test.voicecrafters.com/voice_over_za.html

    Thanks!
    mony49, Dec 18, 2013 IP
  6. jk.deff

    jk.deff Member

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    #6
    There are no redirects
    Server response code:
    HTTP/1.1 200 OK
    jk.deff, Dec 18, 2013 IP
  7. mony49

    mony49 Greenhorn

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    #7
    Thanks very much!
    So you're saying that a search engine regards this as a regular link?
    because I know for a fact that this link has a target url that is: http://test.voicecrafters.com//language/english-za/
    mony49, Dec 18, 2013 IP
  8. jk.deff

    jk.deff Member

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    #8
    http://test.voicecrafters.com/voice_over_za.html
    This is the regular page without a redirect
    You can see in the browser address bar url does not change, there is no redirect.

    Search engine regards this as a regular page.
    Search engine will not know about http://test.voicecrafters.com//language/english-za/

    When there is a redirect,
    You type in browser address bar olq_url
    and olq_url there changes to new_url.
    In Your case, there is no URL changes in address bar of browser, and there is no redirect.
    Last edited: Dec 18, 2013
    jk.deff, Dec 18, 2013 IP
  9. mony49

    mony49 Greenhorn

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    #9
    Thanks so much!
    mony49, Dec 18, 2013 IP
  10. jk.deff

    jk.deff Member

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    #10
    Conclusion.
    If on your site you change old_url to new_url,
    where new_url is accessible (ie You can write it in a browser and go it without errors)
    and new_url, old_url are related with using "pass-through" redirect, as in your example,
    then for a search engine different pages (new_url, old_url) have the same content.
    This is duplication of content, and this is not good.
    In this case it is better to use a 301 redirect old_url --> new_url
    Last edited: Dec 18, 2013
    jk.deff, Dec 18, 2013 IP