Why Yandex does not remove the old page from search?

Registered the site to "Yandex", about two months ago. Originally the site was made on a free template "Wordpress". The template was taken from the page directory the official website "Wordpress".

From all pages, only home page has been successfully indexed by search engines, and was available in the search. To my understanding, the robot of "Yandex" scan not only pages, but also images, giving them their independent page. In the end, the unwillingness to understand all this, it was decided to make a website from scratch, to "MODx CMS". Just yesterday I finished and uploaded it to the hosting, removing all files in "Wordpress".

First, in control panel, "Yandex Webmaster" I added those pages that must be indexed. Among them were home, which I reposted on personhood. The robot looked at her, and fixed the date of the bypass, BUT the results still remained the page a week ago. When you click on it of course opens a new page, but the results remains the old title and description. When a robot will replace it, and how much time it will take, or maybe I need to contribute to this?
March 20th 20 at 11:51
1 answer
March 20th 20 at 11:53
@ian.Lakin had posted a calendar text updates, it is possible to focus on it, but I wouldn't worry about it. During the week will most likely be updated. When updating an index, including changes and ranking i.e. change position. If the site already has held any position, we recommend you to set up redirection from the old url to the new one.
Thanks for the reply. According to the attached calendar, the update of the SERPs has to happen tomorrow. But I found a more significant problem. The robot indexes the page with a 404 error, and checks them for filling in the meta tag description. How can I remove those pages from its database? To add these pages in Robots.txt? - Jacinto.Medhurst13 commented on March 20th 20 at 11:56
@Theresa_Greenholtif these pages are normally ranked, then they need to set up a redirect to the new one. If it's some garbage pages, then they will eventually disappear from the index.
If you are indexing the page which shows 404, type /page-error404, it means that she doesn't give a 404 response. - johnnie40 commented on March 20th 20 at 11:59
@ian.Lakin, Thank you for your help) Yes, it is "garbage pages" that are apparently left over from a previous website. When you try to validate these pages using the tool "Checking server response" available from "control panel Yandex Webmaster" returns 404 Not Found - Jacinto.Medhurst13 commented on March 20th 20 at 12:02

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