Fix Google Crawl Errors 404

404 is normal

Crawl Errors sometime show 404 because, you page is not exist anymore, or other website point to your page but your page is not exist, or you change the domain and change the folder of your url. 

You could look the Crawl Errors list and redirect them all as 404, but depend on the page I think it might could drive the traffic to the site, so I would redirect it to the parents page.

For example, my blog usually start from /blog/Post/{then the page}, however I found out there're lots of 404 as /Home/Blog/{page url} or /mobile/blog/post/{page url}. So I direct them as to the parents page. Following is using node.js.

    app.get('/home/blogs/*', routes.views.blog);
    app.get('/mobile/blog/post/:post', routes.views.blog);

Reference

• Not found error