Not sure. Currently Google gets a normal website (not an error or a 404) for every page. Just with different content. When search site:reddit.com "best bi

Not sure. Currently Google gets a normal website (not an error or a 404) for every page. Just with different content. When search site:reddit.com "best bicycle" I get a page a page "Best bicycle for a beginner?" in r/bicycling. But it has no content about bicycles at the moment. At some point Google will probably decide to discard that page, because there is nothing to see there. How would Google know it should regularely check to see if the old content comes back? That would mean Google's index is versioned. And keeps old versions of pages and revisits them to see if an old version comes back. Seems unlikely.