Support » Fixing WordPress » htaccess after moving from MT to WP

  • I’m pondering moving an old blog from Movable Type to WordPress soon.

    The old MT posts all have URLs like Clearly I can’t keep the same URLs with WP since WP uses php. So once I switch, I’ll have about 4000 old posts with new URLs in the now-standard format.

    I know how to redirect a URL with htaccess.

    But here is my question: how many redirects can you safely have in one htaccess file? Would 4000 separate redirects slow down the site? Or have any other negative impact?

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  • I’d shy away from a long list of redirects in your .htaccess file. While I’ve never gone that far, I would imagine it would create a tangible, and ugly, performance hit.

    See if you can find a way to automate this. Calling all WP experts: Isn’t there a way with WP to create a post slug of whatever you want (i.e. “transfer-001416”) that might end up as a permalink such as If so, you can then easily reduce your entire set of redirects to 1 line in .htaccess.


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