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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★★ How does Google's 'Universal Mixer' influence your SEO strategy?
Google uses a system called 'Universal Mixer' that receives results from all the different indexes (web, images, videos, news) and combines them together. Each index assigns a score to its results tha...
Gary Illyes Jul 29, 2021
★★★ Should You Block Your Empty Results Pages to Avoid Soft 404 Errors?
John Mueller indicated on Twitter that "no results" pages on a website can be flagged as Soft 404......
John Mueller Jul 27, 2021
★★★ How does the Search Console's URL Inspection Tool change the game for SEO?
The URL Inspection Tool in Search Console is the best way to verify if Googlebot is rendering a page correctly. It provides a screenshot and the rendered HTML. The production Search rendering is nearl...
John Mueller Jul 23, 2021
★★★ How should you configure canonical tags for multilingual websites?
For international sites with different language versions, each version constitutes unique content. Each page should have its own canonical tag pointing to itself, even if the content is translated. Th...
John Mueller Jul 23, 2021
★★★ Does translated content really count as unique by Google?
Even if the source content is identical, once translated into another language, Google considers it as unique content. Therefore, each language version must have its own canonical....
John Mueller Jul 23, 2021
★★★ Why is active promotion essential for new websites in SEO?
For a new website, simply submitting a sitemap is not sufficient. Google must understand how the site fits into the broader context of the web. Actively promoting the site through advertising, social ...
John Mueller Jul 23, 2021
★★ Is it true that an overloaded server can hinder your SEO performance?
<p>When too many websites are hosted on a system with limited capacity, the server can become overloaded and very slow. This leaves users unhappy and can make it more challenging for Google to crawl t...
John Mueller Jul 20, 2021
★★★ Can the noscript tag truly replace JavaScript for Google?
Adding noscript tags containing links to content similar to what is present in JavaScript is not considered cloaking by Google. It is an acceptable solution to make links crawlable....
John Mueller Jul 19, 2021
★★★ Could your crawl budget be restricted by server speed and quality issues?
The two main reasons for a limited crawl budget are slow server response time (aim for less than 300-400ms) and a lack of trust in the overall quality of the site....
John Mueller Jul 19, 2021
★★★ Could cutting down the number of pages actually boost your SEO?
Presenting a limited set of high-quality pages (e.g., 20,000 instead of 100,000) allows Google to better crawl and assess quality, then gradually expand across the entire site....
John Mueller Jul 19, 2021
★★ Why does Google recommend using a JavaScript banner instead of geographic redirections?
To let users know that a local version exists, Google recommends using a JavaScript banner instead of a redirection, as redirections complicate crawling from a single location....
John Mueller Jul 19, 2021
★★ Why does Google tend to overlook NoScript tags in SEO?
Google generally attempts to ignore the content placed within NoScript tags. Therefore, it's essential to verify that this approach actually functions as intended for indexing....
John Mueller Jul 19, 2021
★★ Could using nofollow on internal links actually enhance your SEO strategy?
Using nofollow on internal links to pages with high link density or noindex pages can be tested to optimize the crawl budget. Google will not penalize this practice....
John Mueller Jul 19, 2021
★★ Why does Google simplify the canonicalization of queries in Search Console?
Queries in Google Search Console are slightly canonicalized (converted to lowercase, punctuation removed) but Google does not interpret or simplify the search intent....
John Mueller Jul 19, 2021
★★★ How should you handle canonicals for international versions?
Different country versions of a site should not use a canonical pointing to a single country version. Each version should be able to rank separately with its own canonical....
John Mueller Jul 19, 2021
★★ Why do old URLs still show up after a migration?
After migrating URLs, a site: search might still display old URLs even if Google has already migrated the indexing. Google aims to be helpful by showing where the content used to be located. Checking ...
John Mueller Jul 09, 2021
★★ What are the best ways to bounce back quickly from temporary server errors in SEO?
After temporary server errors, Google promptly re-crawls the most important URLs, and the situation generally normalizes in about a week. There are no lasting penalties following this type of incident...
John Mueller Jul 09, 2021
★★★ Why should you prioritize HTML tables for indexing specific values?
If the goal is to index specific values from charts, it is better to present this data in the form of HTML tables. This way, Google can process them through normal crawling and potentially display the...
John Mueller Jul 09, 2021
★★★ What essential elements should you keep during a website redesign to protect your SEO?
During a redesign, it is important to keep as many elements as possible: the same URLs, internal linking, content, and layout. If these elements change without redirects, Google treats the site as new...
John Mueller Jul 09, 2021
★★★ Is there really no delay between Google's crawling and indexing?
There is no queue or artificial delay between crawling and indexing at Google. If a page can be crawled, Google tries to index it as quickly as possible, except for JavaScript sites that require pre-r...
John Mueller Jul 09, 2021
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