I got a lot of indexed soft 404 pages they actually don’t exist
100089
How to fix soft 404 errors in GWT?
49772
Older post not indexed, new post indexed right away?
25548
Page returns 404 with POST variables, but not without
142655
Google Search Console: 404 errors on existing pages
52181
How to fix "404 Not Found" crawl errors reported by Google in Search Console
74037
Google Webmaster Tools reporting crawl error 404 (Not found) for a page which has never existed
81768
Strange GET requests in logs
61058
Google says my sitemap index was "processed successfully", yet "total discovered URLs" is 0
115383
Custom 404 error issues with Apache - the ErrorDocument is 404 as well
63009
Google crawling old non existing pages
145404
Redirect Restricted Page to 404
105290
The number of links for a folder doesn't reflect the real status?
52279
Refreshing error pages lead to error pages even after the error is fixed
20609
Pagination returns 404 after page 20
43201
Meta SE 404 page image is dull
1981
404 when trying to login on per-site metas
67922
ecommerce item deleted by user, 301 redirect to HOME PAGE or 404 not found?