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Official statement

To improve Google's crawling of your site, ensure that all your URLs are correctly submitted via the sitemap in the Search Console. This helps Google plan the crawling of these pages more efficiently.
4:15
🎥 Source video

Extracted from a Google Search Central video

⏱ 1h06 💬 EN 📅 17/01/2017 ✂ 10 statements
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Official statement from (9 years ago)
TL;DR

Google claims that submitting all your URLs via the Search Console sitemap optimizes crawl scheduling. In practice, this means the bot can prioritize and organize its visits more effectively. The real question is whether this exhaustive submission truly fits all sites, especially those with millions of low-quality pages or duplicate content.

What you need to understand

Is the sitemap only for discovering new pages?

Many assume that the XML sitemap is only meant to flag new or hard-to-access URLs. Google goes further here: submitting all URLs helps with crawl planning, not just discovery.

Specifically, the bot receives a complete list, allowing it to prioritize its resources and organize its visits more rationally. The sitemap becomes a flight plan for Googlebot, not just a list of suggestions.

What’s the difference between exhaustive and selective submission?

A selective approach includes only strategic pages: editorial content, active product listings, SEO landing pages. The exhaustive approach advocated by Google involves submitting all indexable pages on the site.

The risk? Flooding Google with low-value pages. If the sitemap contains thousands of technical URLs, unnecessary e-commerce filters, or empty archives, you dilute the signal. Google then has to sort through this, which can slow the crawl of important pages.

Why does Google emphasize the Search Console?

The Search Console allows for detailed tracking: coverage rates, indexing errors, HTTP statuses. Submitting the sitemap directly through this tool centralizes alert reporting.

It’s also a way for Google to verify site ownership and associate crawling data with an identified account. Without this validation, a sitemap in robots.txt remains functional but less integrated into Google’s reporting ecosystem.

  • All URLs does not mean “all files”: excluding JS/CSS/images from the sitemap remains relevant
  • The sitemap update frequency matters as much as its completeness
  • A poorly structured exhaustive sitemap (404 URLs, redirects) is more harmful than helpful
  • Google may partially ignore a sitemap if the crawl budget is saturated elsewhere
  • Submission via the Search Console allows for precise monitoring of indexing errors

SEO Expert opinion

Is this recommendation consistent with field observations?

On sites with less than 10,000 pages, submitting all URLs works very well. Crawling becomes more regular, and new pages appear in the index more quickly. But on e-commerce platforms with millions of product variants or media sites with deep archives, completeness raises questions.

We often see sites that have reduced their sitemap to only highly valuable pages and noticed improved crawl rates on those priority pages. Google itself mentions crawl budget elsewhere: so why request the bot to handle marginal URLs? [To be verified] whether this guideline truly applies to all contexts.

What nuances should be considered based on the site type?

For an editorial or corporate site, submitting all URLs makes sense: the volume remains limited, every page counts. For a marketplace or aggregator, it’s trickier: thousands of filters, paginated pages, and variants can dilute the signal.

It’s also important to distinguish between indexability and submission. A URL can be in the sitemap but blocked by robots.txt or a noindex meta tag. Google will still crawl to check the status, which consumes budget unnecessarily. Thus, submitting “all URLs” requires a thorough prior audit.

What concrete risks arise from strictly following this guideline?

The main danger: diluting crawl budget on pages without SEO value. If your sitemap contains 50,000 URLs with 30,000 being archives, cross-tags, or internal search results, Google will allocate time to these at the expense of strategic pages.

Another trap: mass updates. If you suddenly add 20,000 URLs to a sitemap, Google might interpret this as a signal of spam or low editorial quality. A gradual increase is advisable. Finally, a poorly maintained sitemap with 404s or multiple redirects generates errors that clutter the Search Console and obscure diagnostics.

Practical impact and recommendations

What practical steps should you take to optimize your sitemap?

Start by auditing your indexable URLs. Use a crawler (Screaming Frog, OnCrawl, Botify) to list all accessible pages, then filter based on their SEO value: organic traffic, backlinks, depth, HTTP status. Only pages that deserve regular crawling should be in the main sitemap.

Next, segment your sitemaps if the volume exceeds 10,000 URLs. Create thematic files (blog, products, categories) and a global sitemap index. This granularity helps Google prioritize and allows you to monitor each segment in the Search Console. Update the sitemap as soon as a strategic page is published or modified.

What mistakes should you avoid when submitting the sitemap?

Never include canonicalized URLs: if page-A is canonical to page-B, only page-B should appear. Do not submit URLs marked as noindex or with 301/302 redirects. These errors waste crawl budget and generate alerts in the Search Console.

Also, avoid submitting URLs with irrelevant dynamic parameters (utm_, session ID, empty filters). Instead, configure URL parameters in the Search Console or use the canonical tag. Lastly, never leave an outdated sitemap in place: a non-maintained file with 30% of 404s degrades Google's trust in your signals.

How can I check if my site is benefiting from this optimization?

In the Search Console, under the “Coverage” section, check the indexing rate of URLs submitted via the sitemap. A significant gap between submitted and indexed indicates a problem (duplicate content, canonicalization, quality). Also, compare crawl frequency before and after sitemap optimization in the server logs.

Use Apache/Nginx logs to track Google's actual behavior: crawled pages, frequency, response codes. If priority pages in the sitemap are never crawled, it indicates issues with accessibility or quality. Adjust your sitemap accordingly instead of maintaining an ineffective exhaustive list.

  • Audit all indexable URLs and filter based on their actual SEO value
  • Create segmented sitemaps by theme if volume exceeds 10,000 pages
  • Exclude canonicalized URLs, noindex URLs, redirects, and 404 errors
  • Automatically update the sitemap upon each major publication or modification
  • Monitor coverage rates and errors in the Search Console weekly
  • Analyze server logs to correlate sitemap submissions and actual crawling
Optimizing the sitemap for crawling requires detailed analysis of the site architecture and regular maintenance. These technical optimizations can be complex to implement alone, especially on large sites or sophisticated e-commerce architectures. Engaging a specialized SEO agency can provide personalized support, advanced analytical tools, and a crawl budget strategy tailored to your business challenges.

❓ Frequently Asked Questions

Faut-il soumettre les images et PDF dans le sitemap principal ?
Non, créez des sitemaps dédiés (image sitemap, video sitemap) et listez-les dans un sitemap index. Cela évite de surcharger le sitemap principal et permet un suivi granulaire.
Quelle est la taille maximale d'un fichier sitemap XML ?
50 Mo non compressé ou 50 000 URL par fichier. Au-delà, utilisez un sitemap index pointant vers plusieurs fichiers segmentés.
Le sitemap HTML a-t-il encore une utilité SEO ?
Oui, pour améliorer le maillage interne et faciliter la navigation utilisateur sur des sites complexes. Mais il ne remplace pas le sitemap XML pour le crawl.
Dois-je inclure la balise lastmod pour chaque URL ?
Oui, cela aide Google à prioriser le recrawl des pages modifiées récemment. Assurez-vous que la date soit précise et mise à jour automatiquement.
Combien de temps après soumission Google crawle-t-il les nouvelles URL ?
Variable selon le crawl budget : de quelques heures sur sites à forte autorité à plusieurs jours voire semaines sur sites récents ou peu fiables. Les logs serveur donnent la réponse précise.
🏷 Related Topics
Domain Age & History Crawl & Indexing AI & SEO Domain Name Search Console

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