How to reindex a page with SEO robots noindex meta tag?

Question

Search Engine Optimization

Due to the weak content of the site, for pages with duplicate information, a meta tag was set at one time in
meta name="robots" content="noindex"
order to eliminate an irrelevant page from the search results.

Over time, the page at this URL has been redesigned, and added additional. information and meta tag robots - noindex has been removed.

Questions:
From time to time, the bot will double-check such pages or need some additional. action on the part of the site owner?
What is needed for the Bot to re-index this page?

Answer 1

Thanks to all. Summarizing the answers above, I will combine them:
- If there are external links, the bot will rescan itself over time.
- You can speed up this process by creating or updating a sitemap and add. links to the page
- Recrawl the page manually using WebDeveloper tools from search engines.

Answer 2

The bot checks itself. To speed up, you can generate a sitemap and feed it to Yasha and Gosha.

Answer 3

Generally on idea itself reindexes.
To keep your finger on the pulse, you can add the site to the Google and Yandex webmaster panels - it will show how many and what pages the search engine robot knows
webmaster.yandex.ru/
www.google.ru/webmasters/

Answer 4

For reliability, add the page here:
webmaster.yandex.ru/addurl.xml
www.google.com/webmasters/tools/submit-url
In general, over time, it will return to the index itself.

Answer 5

There is also such a tool for speeding up indexing http://letusindex.com/ .
Buying tweets with the right URLs on exchanges like twite also works well.