nofollow links
<a href="/some-page.php" rel="nofollow" >robots.txt file
https://www.wpbeginner.com/wp-tutorials/how-to-optimize-your-wordpress-robots-txt-for-seo/
Do not index this page metadata
To prevent most search engine web crawlers from indexing a page on your site, place the following meta tag into the section of your page:
<meta name="robots" content="noindex">Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.