How to invalidate Google Search results?

How to invalidate Google Search results? - Google Search Console is a free application that allows you to identify, troubleshoot, and resolve any issues that Google may encounter as it crawls and attempts to index your website in search results. If you’re not the most technical person in the world, some of the errors you’re likely to encounter there may leave you scratching your head. We wanted to make it a bit easier, so we put together this handy set of tips about google, google-search, http-headers, search-results to guide you along the way. Read the discuss below, we share some tips to fix the issue about How to invalidate Google Search results?.Problem :

Due to a misconfiguration all HTTPS traffic to a specific server showed the wrong content for a while.

Google indexed this content including urls that don't exist in the affected sites.

For example: https://site-a.tld/ and https://site-b.tld/ both showed content of https://site-c.tld/ including urls like https://site-a.tld/something-about-site-c

This problem has been resolved a month ago and invalid urls now give a 410 Gone http response. However Google will still show these invalid pages in their search result for site-a.tld or site-b.tld

Is their any way to get rid of this invalid search results?

Solution :

From official documentation -> https://support.google.com/webmasters/answer/1663419?hl=en

If you have a web page that you just deleted but it is still showing up in your custom search results, and it is very important to you that it does not show up in search results as soon as possible; or if one of your web pages contains inappropriate content and you want to block it immediately while taking it down, you can prefix the URL with a "-" symbol, and submit it in the On-demand indexing using individual URLs section, like this:

-http://www.example.com/outdated.html

Further reading -> https://developers.google.com/custom-search/docs/indexing#on-demand-indexing

If the issue about google, google-search, http-headers, search-results is resolved, there’s a good chance that your content will get indexed and you’ll start to show up in Google search results. This means a greater chance to drive organic search traffic to your site.