Getting Into Google Is Hard. Getting Out Can Be Harder.
Sometimes you want pages removed from Google's index. Old product pages. Duplicate content. Sensitive URLs that should never have been indexed.
But deindexing has risks. Do it wrong and you might accidentally remove pages you need.
The Methods (Ranked by Safety)
1. Noindex meta tag. Safest. Add `<meta name="robots" content="noindex">` to the page. Google crawls it, sees the tag, removes it from the index. Make sure the page is NOT blocked in robots.txt (Google needs to crawl it to see the tag).
2. URL Removal Tool in Search Console. Fast but temporary. The URL is hidden from search for about 6 months. If you do not add a noindex tag or 404 the page, it comes back.
3. 404 or 410 status code. Delete the page entirely. 410 tells Google it is permanently gone and should be removed faster than a 404.
4. Robots.txt block. Prevents crawling but does NOT guarantee deindexing. The page can remain in the index with a "No information is available for this page" snippet. Use this for crawl budget, not deindexing.
The Common Mistake
Using robots.txt to deindex AND adding a noindex tag. Google cannot see the noindex tag because robots.txt blocks the crawl. The page stays indexed. You pull your hair out. Google's robots.txt documentation explains this clearly.
Pick one. Not both. And make sure your index health is part of your regular audit routine.
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