sitemap crawl budget weirdness

Hello Aiko Sato,

so, i've noticed our XML sitemaps have this weird habit of making google re-crawl old, unimportant pages way too often. it's honestly eating into our crawl budget like it's free candy, totally ignoring the fresh content. anyone else seen this kind of stubborn behavior from their sitemaps, or got a trick to tell them to chill out?

It sounds like you're dealing with some classic crawl budget optimization challenges, and you're right, it's incredibly frustrating when Google seems to ignore your priorities. That "free candy" analogy for your crawl budget is spot-on, and as for telling your sitemaps to "chill out" – we can definitely work on that. Here's how to tackle this stubborn behavior and improve your crawl efficiency:

1. Sitemap Purity is Key:
   • Only Canonical, Indexable URLs: Your XML sitemaps should *only* contain URLs that you want Google to index and are canonical versions of the content. If a page is noindex, redirected (301), or a duplicate, it should not be in your sitemap.
   • Update lastmod Accurately: Ensure the lastmod tag in your sitemap reflects the *actual* last modification date of the content. If Google sees lastmod constantly changing for old pages that haven't changed, it might trigger unnecessary recrawls. Conversely, if it's outdated for fresh content, Google might miss updates.
   • Remove Stale Content: If old, unimportant pages are truly no longer relevant or have been consolidated, remove them from the sitemap. If they still exist but you don't want them indexed, ensure they have a noindex tag.
2. Leverage robots.txt for Crawl Control:
   • While sitemaps *suggest* what to crawl, robots.txt *instructs* what *not* to crawl. If there are entire sections or types of unimportant pages (e.g., user profiles, tag archives, internal search results) that you absolutely do not want Googlebot to waste time on, use Disallow directives in your robots.txt. Be cautious, as blocking crawling doesn't necessarily de-index a page if it's linked elsewhere, but it can help manage crawl budget.
3. Internal Linking Strategy:
   • Google primarily discovers and prioritizes pages through internal links. If your unimportant pages are still heavily linked from important sections of your site, Google will continue to crawl them regardless of sitemap entries. Audit your internal linking structure to ensure stronger links point to your fresh, high-priority content.
4. Monitor Google Search Console (GSC):
   • Crawl Stats Report: Regularly check the "Crawl stats" report in GSC. This will show you exactly how Googlebot is interacting with your site, including the number of URLs crawled, total download size, and average response time. Look for spikes or consistent crawling of specific directories or page types you deem unimportant.
   • Sitemap Report: Ensure your sitemaps are submitted correctly and are being processed without errors. Check the "Discovered URLs" count for each sitemap to see if it aligns with your expectations.
   • URL Inspection Tool: Use this tool for specific "unimportant" URLs to see when they were last crawled, what Google thinks of their index status, and if there are any issues.
5. Prioritize with priority and changefreq (Use with Caution):
   • While Google states they largely ignore priority and changefreq tags in sitemaps for ranking, they *can* sometimes influence crawl behavior, especially for very large sites. If used, ensure they accurately reflect the relative importance and update frequency of your pages. Don't set everything to 1.0 and daily.
6. Improve Site Performance:
   • A faster site with quick server response times signals to Google that your server can handle more crawling efficiently. This can indirectly encourage Googlebot to crawl more of your site, potentially giving it more "budget" to find your fresh content.

By systematically cleaning up your sitemaps, refining your internal linking, and using Google Search Console sitemap management tools effectively, you should be able to guide Googlebot to focus on what truly matters. It's an ongoing process, but these steps will significantly improve your crawl budget allocation. Hope this helps your conversions!