What does Google say about SEO? /
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions

Official statement

It is advised not to include pages with noindex in the sitemap files, as this creates confusion regarding indexing intent. Use noindex to quickly remove URLs from unwanted content.
40:47
🎥 Source video

Extracted from a Google Search Central video

⏱ 58:02 💬 EN 📅 22/02/2018 ✂ 11 statements
Watch on YouTube (40:47) →
Other statements from this video 10
  1. 3:44 Le Speed Update cible-t-il vraiment tous les sites ou seulement une catégorie précise ?
  2. 11:42 Google collabore-t-il vraiment avec WordPress pour améliorer votre SEO ?
  3. 14:07 Hreflang dans le sitemap ou sur la page : est-ce que le choix influence vraiment la vitesse de traitement ?
  4. 32:31 Pourquoi Googlebot peine-t-il à interpréter vos données structurées via Data Highlighter ?
  5. 33:12 Les Umlaute et caractères spéciaux dans les URLs sont-ils vraiment sans danger pour le SEO ?
  6. 33:41 Votre site mobile est-il vraiment synchronisé avec votre version desktop ?
  7. 39:49 HTTP/2 améliore-t-il réellement le crawl de Googlebot ?
  8. 42:10 Le PageRank est-il vraiment devenu négligeable pour votre classement Google ?
  9. 43:35 Comment l'indexation mobile-first va-t-elle concrètement impacter votre stratégie SEO ?
  10. 51:38 JavaScript et rendu : Google indexe-t-il vraiment ce que vos utilisateurs voient ?
📅
Official statement from (8 years ago)
TL;DR

Google recommends excluding pages marked with <strong>noindex</strong> from your XML sitemap files to avoid confusing indexing signals. This directive aims to clarify your intentions: a sitemap lists what you want indexed, while noindex indicates what you want to exclude. In practice, this inconsistency slows down the processing of your URLs and wastes <strong>crawl budget</strong> on resources that Googlebot should ignore.

What you need to understand

Why does Google emphasize this sitemap/noindex distinction?

The XML sitemap file serves as a priority roadmap for crawlers. When you list a URL there, you signal to Google: "This page deserves your attention, index it." The noindex, on the other hand, constitutes an explicit exclusion order from the index.

Putting both on the same URL creates a blatant contradiction. Googlebot must crawl the page to detect the noindex, consuming budget, then... remove it from the index. You've wasted resources for a result you could have obtained simply by not listing the URL.

When does this confusion happen most often?

Automatically generated sitemaps are the main source of this problem. Your CMS or plugin spits out all existing URLs without filtering by indexing status. As a result: faceted filter pages, pagination archives, internal search result pages... everything ends up in the sitemap despite a noindex being present.

Site migrations amplify this chaos. You keep old noindex URLs "just in case," but your new sitemap includes them by default because no one thought to clean up the configuration. Google crawls, detects the noindex, removes it from the index... and starts the cycle again at the next pass.

What is the real cost of this inconsistency?

The crawl budget is the first victim. Every noindex URL listed in the sitemap consumes a visit from Googlebot that could have been used to discover fresh, indexable content. On a large e-commerce site with thousands of combinations of noindex filters, the impact becomes measurable.

The time for deindexing also increases. Mueller specifies that noindex allows for "quickly removing" unwanted content. But if you list it simultaneously in the sitemap, you slow down the process: Google must first crawl to observe the directive instead of simply ignoring the URL absent from the sitemap.

  • Clarify your intentions: sitemap = "index me", noindex = "ignore me"
  • Audit your automatically generated sitemaps: 90% contain noindex URLs
  • Prioritize crawl budget: each crawled noindex URL = one useful URL not visited
  • Speed up deindexing: remove from sitemap AND add noindex for a quick effect
  • Check after migration: old noindex URLs often linger in new sitemaps

SEO Expert opinion

Does this recommendation really reflect ground practice?

Yes, and it’s actually one of the rare Google guidelines that can be empirically validated. Server logs show that Googlebot crawls URLs present in the sitemap more frequently, including those with noindex. So, you pay twice: in crawl budget AND in processing time.

The nuance is that this inconsistency does not penalize your ranking directly. Google will not downgrade your indexable pages just because your sitemap also contains noindex. But you slow down the process: new pages are discovered later, unwanted content remains visible longer in the SERPs.

What use cases escape this strict rule?

Indexation tests are a legitimate exception. Do you want to measure how quickly a category of URLs gets deindexed? Keep them in the sitemap with noindex, then follow the logs. Once the data is collected, clean up. [To verify]: Google has never explicitly validated this use case, but it does not pose a documented problem.

Transitioning pages raise a question. Imagine an out-of-stock product page that you temporarily set to noindex. Removing it from the sitemap and then adding it back at each stock change becomes cumbersome. In this specific case, the inconsistency remains tolerable if the duration is short (a few days maximum).

Does Mueller's directive contradict other Google signals?

No, it aligns perfectly with previous statements about the importance of signal consistency. Google has repeated for years: do not give contradictory instructions. Canonical + noindex, sitemap + disallow, robots.txt block + sitemap... all these combinations hinder processing.

What is lacking is a quantification of the impact. Mueller says "confusion" and "quickly remove", but no official figures. On a site with 10,000 pages with 500 noindex URLs in the sitemap, what is the real gain in crawl budget after cleanup? [To verify]: public data is scarce, but internal audits often show +15-25% of crawl redirected to indexable content.

Warning: If your sitemap contains a massive number of noindex URLs (>20% of the total), Google may consider your sitemap unreliable and crawl it less frequently. The paradoxical result: by wanting to list everything, you slow down the discovery of your real pages.

Practical impact and recommendations

How can you quickly audit your sitemaps to detect this issue?

Extract all URLs from your XML sitemap files (including sitemap index files). Crawl them with Screaming Frog or Sitebulb in "List" mode to check for meta robots noindex tags or HTTP headers X-Robots-Tag: noindex. Any match = inconsistency to correct.

In Google Search Console, Sitemaps section, compare the number of submitted vs. discovered URLs. A significant gap often suggests that many URLs are crawled then rejected, potentially due to noindex directives. Cross-reference with the Coverage section to identify pages "Detected, currently not indexed" present in the sitemap.

What strategy should you adopt to clean up this inconsistency?

If you have fewer than 50 affected URLs, remove them manually from the sitemap. It’s quick, and you retain control. Beyond that, automate: set up your sitemap generator to exclude any URL containing noindex. Most CMS and plugins offer filters by meta robots.

For large sites with dynamic generation, create a server-side rule: before adding a URL to the sitemap, check its indexing status. If noindex is detected, skip it. Implement this logic in your build script or your CDN if you're generating the sitemaps on the fly.

Should you combine removal from the sitemap and noindex to speed up deindexing?

Yes, this is even the recommended method by Mueller implicitly. When you want to quickly remove content: add noindex to the affected pages AND remove them from the sitemap immediately. Googlebot understands the dual signal and accelerates processing.

Do not fall into the opposite trap: removing from the sitemap without adding noindex. Google will eventually deindex those pages (due to lack of regular crawl), but it takes weeks or even months. The noindex forces a quick action as soon as Googlebot visits those URLs (via internal links or crawl history).

  • Crawl all your XML sitemaps to identify any URL with noindex directive
  • Configure your CMS/plugin to automatically exclude noindex pages from generated sitemaps
  • Immediately remove any URL marked noindex from the sitemap (simultaneous action)
  • Check in Search Console that the ratio of submitted/indexed URLs improves after cleanup
  • Document temporary exceptions (tests, stock transitions) with an expected end date
  • Re-audit quarterly: inconsistencies often reintroduce after CMS updates
Cleaning up sitemaps is a classic quick win in technical SEO. Measurable impact on crawl budget, easy to implement, and virtually no risk. Start with primary sitemaps (product pages, articles), then extend to secondary sitemaps (images, videos). If your sitemap architecture is complex or if you manage a multilingual site with dozens of XML files, these optimizations can quickly become time-consuming. A specialized SEO agency can automate these audits and ensure sustained consistency between your indexing directives and your sitemap files, allowing you to focus on content strategy.

❓ Frequently Asked Questions

Que se passe-t-il si je laisse des URLs en noindex dans mon sitemap ?
Googlebot les crawle quand même pour détecter la directive noindex, ce qui consomme du crawl budget inutilement. Les pages seront désindexées, mais plus lentement que si elles n'étaient pas listées dans le sitemap.
Le sitemap doit-il contenir uniquement les pages indexables ou toutes les pages importantes ?
Uniquement les pages que vous voulez voir indexées. Le sitemap n'est pas un inventaire exhaustif de votre site, c'est une liste de priorités pour Googlebot. Excluez tout ce qui porte noindex, canonical vers autre URL, ou contenu dupliqué.
Comment gérer les pages de pagination dans le sitemap si certaines sont en noindex ?
Si vous mettez les pages 2+ en noindex (pratique courante), ne les incluez pas dans le sitemap. Listez uniquement la page 1 de chaque série. Google découvrira les autres via les liens internes si nécessaire, sans gaspiller de crawl budget.
Puis-je garder temporairement une URL en noindex dans le sitemap pendant un test A/B ?
Techniquement oui, mais limitez la durée à quelques jours maximum. L'incohérence ne cause pas de pénalité directe, mais elle ralentit le traitement. Documentez ces exceptions pour ne pas oublier de nettoyer après le test.
Faut-il soumettre un nouveau sitemap après avoir retiré les URLs en noindex ?
Oui, soumettez le sitemap nettoyé via Google Search Console pour accélérer la prise en compte. Google finira par le re-crawler automatiquement, mais la soumission manuelle déclenche un traitement prioritaire, surtout si vous avez beaucoup modifié le fichier.
🏷 Related Topics
Domain Age & History Content Crawl & Indexing JavaScript & Technical SEO Domain Name PDF & Files Search Console

🎥 From the same video 10

Other SEO insights extracted from this same Google Search Central video · duration 58 min · published on 22/02/2018

🎥 Watch the full video on YouTube →

Related statements

💬 Comments (0)

Be the first to comment.

2000 characters remaining
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.