We face a seo problem of losing traffic after 301 redirect.We have used 301 redirect from a sub-domain url to main domain, after a few month, we discovered that the traffic in google is dropped 40% as well as yahoo dropped 50% without reason, we have updated sitemap already, but we cannot find any reason for the traffic dropped till now..The original url (more then 5000 links)https://app.example.com/ebook Redirected Urlhttps://www.example.com/ebookThank you for your help!
