What does Google say about SEO? /
The Crawl & Indexing category compiles all official Google statements regarding how Googlebot discovers, crawls, and indexes web pages. These fundamental processes determine which pages from your website will be included in Google's index and potentially appear in search results. This section addresses critical technical mechanisms: crawl budget management to optimize allocated resources, strategic implementation of robots.txt files to control content access, noindex directives for page exclusion, XML sitemap configuration to enhance discoverability, along with JavaScript rendering challenges and canonical URL implementation. Google's official positions on these topics are essential for SEO professionals as they help avoid technical blocking issues, accelerate new content indexation, and prevent unintentional deindexing. Understanding Google's crawling and indexing processes forms the foundation of any effective search engine optimization strategy, directly impacting organic visibility and SERP performance. Whether troubleshooting indexation problems, optimizing crawl efficiency for large websites, or ensuring proper URL canonicalization, these official guidelines provide authoritative answers to complex technical SEO questions that shape modern web presence and discoverability.
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★★★ Can layout changes really hurt your organic search rankings?
Significant layout changes that emphasize non-informative elements, such as a booking tool, can make it difficult for Google to determine the main content of a page, which can affect its indexing and ...
John Mueller Oct 31, 2019
★★ Is it really necessary to fill in the priority and changefreq fields in your XML sitemaps?
The 'priority' and 'change frequency' fields in XML sitemap files are not critical for Google. Only the 'lastmod' attribute is important for facilitating change detection....
John Mueller Oct 31, 2019
★★★ Are lingering indexing problems due to a Google bug or technical issues with your site?
If indexing issues persist after the August 8th bug, they are not related to this bug, but may be due to individual technical problems of the site....
John Mueller Oct 30, 2019
★★★ Can non-mobile-friendly pages really survive Google's mobile-first indexing?
Non-mobile pages can still be indexed through mobile-first indexing, but they will not be considered user-friendly for mobile users....
John Mueller Oct 30, 2019
★★★ Does Google really speed up news indexing with sitemaps?
Using sitemaps and ensuring that the information is easily extractable helps to quickly bring new content to the forefront of Google searches....
John Mueller Oct 30, 2019
★★ Should you block parameterized URLs in robots.txt or through Search Console settings?
If you use robots.txt to block a URL, we cannot use its content, but the crawl preference settings with parameterized URLs do not actually block the crawl....
John Mueller Oct 30, 2019
★★★ Is it true that crawl budget is managed at the server level rather than the directory level?
Google assesses load capacity at the host server level, not at the folder level, to manage crawl budget....
John Mueller Oct 30, 2019
★★★ Should you really stop using the site: command to count your indexed pages?
You shouldn't rely on the 'site:' command for the exact count of indexed pages; it's better to use data from Search Console....
John Mueller Oct 30, 2019
★★★ Is it really necessary to submit an XML sitemap to enhance your SEO?
Submitting a sitemap is not mandatory, but it can help search engines discover the URLs of your site, especially for large sites or newly created sites....
Google Oct 28, 2019
★★★ Could a poorly configured sitemap harm your website?
A poorly configured sitemap does not incur a penalty. If the sitemap is well-created and useful, it will be beneficial for the site....
Google Oct 28, 2019
★★★ Does submitting a sitemap guarantee your pages will be indexed?
Submitting a sitemap does not guarantee the indexing of all URLs. However, it helps Google know which pages exist, which is generally advantageous....
Google Oct 28, 2019
★★ How can you diagnose why your WordPress URLs are missing from Google's index?
In WordPress, it's possible that a parent sitemap lists lower-level sitemaps where the URLs are actually located; using the site: operator can help identify if a site is indexed....
Google Oct 28, 2019
★★★ Is responsive web design really essential for good Google rankings?
We recommend using responsive web design rather than dynamic serving or m-dot, to ensure better compatibility with indexing....
John Mueller Oct 18, 2019
★★★ Should we still use separate mobile URLs (m-dot) for our site?
We recommend against using separate mobile URLs, instead opting for a single URL for both desktop and mobile content to simplify indexing and avoid confusion....
John Mueller Oct 18, 2019
★★★ Can Google really canonicalize a no-index page?
Google tries to avoid selecting a no-index URL as canonical. However, if a systemic pattern of duplicate content is detected, the algorithm can sometimes make poor canonicalization choices....
John Mueller Oct 18, 2019
★★★ Should you really exclude XML sitemaps with an HTTP no-index?
A sitemap file with an HTTP no-index header does not affect Google's processing. It simply prevents the sitemap URL from appearing in regular web search results....
John Mueller Oct 18, 2019
★★★ Should you submit the mobile or desktop URL via the indexing API?
When using the indexing API, provide the mobile version URL of the page as that is what we will index for mobile-first....
John Mueller Oct 18, 2019
★★★ Do server errors really destroy your crawl budget?
Frequent technical access errors can lead Google to significantly reduce the crawl rate, affecting the indexing frequency....
John Mueller Oct 18, 2019
★★★ Should you really keep canonical and alternate tags after switching to mobile-first?
Keep standard links between mobile and desktop versions, even with mobile-first indexing. Do not modify existing canonical or alternate tags....
John Mueller Oct 18, 2019
★★ Does Google's cache really reflect what Googlebot indexes of your JavaScript?
In Google's cache, JavaScript cannot always be displayed correctly as it requires certain conditions to execute, which may not reflect actual indexing....
John Mueller Oct 18, 2019
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