Spike in server errors
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Hi, we've recently changed shopping cart platforms. In doing so a lot of our URL's changed, but I 301'ed all of the significant landing pages (as determined by G Analytics) prior to the switch.
However, WMT is warning me about this spike in server errors now with all the pages that no longer exist. However they are only crawling them because they used to exist/are linked from pages that used to exist. and no longer actually exist.
Is this something I should worry about? Or let it run its course?
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1. Have you submitted the new pages via a sitemap/fetch as Google? Could be they are still trying to crawl all the old pages.
2. Have you manually checked some of the pages to see if the redirect is working? If they are, could be you have an error in your reporting through GWT (it's not perfect, and will often give warnings about old pages, even those you 301)
Once you submit the pages, and have verified your pages are redirecting properly let it run it's course. Be sure to double check in analytics that you are not losing traffic due to any non-functioning redirects.
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I would spend some time investigating the errors. If you 301 redirected everything you should not be getting 404 errors, so you might have an issue with your redirects or an issue with your new cart.
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