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Hi there, I reviewed several pages that we're reporting as duplicates and none of them are canonicalized. If you don't want to change the content in the source code so it's not 95% similar to the other pages, you'll need to add canonicals. The Help Hub has some good info on how to do this. You can also run a search in the community. If we reported 404's in the initial crawl, it's because they existed at the time. The most recent crawl isn't showing any 404's so this shouldn't be an issue anymore. Again, there are no 404's reported in this week's crawl for your campaign so there will be no 404's in the crawl diagnostic csv. That is where you'll want to go if this comes up again though. -If the page on your site is linked to from anywhere on your site, we will crawl and report on it up to the page crawl limit set for the campaign. We're not going to report data for non-existent links as that isn't physically possible. I hope this helps clear things up.