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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★★ Should you really ditch noscript for rendering your content?
Noscript can be used as a fallback for rendering, but it should not be the only way to make content visible to Googlebot. JavaScript lazy-loading methods should be used concurrently....
Martin Splitt Apr 29, 2020
★★ Will Server-Side Rendering Become Essential for the SEO of JavaScript Applications?
The future focus for JavaScript web applications will be on enhancing performance and facilitating server-side rendering to ensure faster user experiences....
Martin Splitt Apr 29, 2020
★★★ Why does replacing HTML with JavaScript canvas hurt SEO?
Replacing HTML text content with JavaScript canvas is not recommended for accessibility and performance reasons. Crawlers may have difficulty reading the text presented this way, and it can complicate...
Martin Splitt Apr 29, 2020
★★★ How do internal links really shape the topical relevance of your pages?
Links allow crawlers to explore the pages of your website and understand the structure and architecture of information. They are essential for search engines to determine which pages are relevant to a...
Martin Splitt Apr 29, 2020
★★★ Do full-screen hero images really block the indexing of your pages?
Full-page 'hero' images do not impact indexing if the content is in the DOM without requiring scrolling....
Martin Splitt Apr 29, 2020
★★★ Should you ditch HTML5 canvas to ensure your content gets indexed?
Using JavaScript to replace HTML5 text content with canvas text commands is not recommended. Google does not plan to index content in canvases. It is better to build a standard HTML page to ensure the...
Martin Splitt Apr 29, 2020
★★★ Do AJAX calls really consume crawl budget or not?
When a site uses AJAX calls to load content, these resources can be indexed but do not affect the crawl budget. Use the HTTP X-Robots-Tag headers to prevent their indexing without impacting the render...
Martin Splitt Apr 28, 2020
★★★ Should you block URL parameters in robots.txt to save your crawl budget?
For managing large structures with parameters in URLs, do not block in robots.txt but rather use techniques like canonicalization or noindex removal, as this can initially influence crawl priorities....
John Mueller Apr 28, 2020
★★★ Can Googlebot really execute your AJAX requests and index the JavaScript-loaded content?
Googlebot can execute AJAX requests when rendering a page, particularly to load additional content displayed with JavaScript. Therefore, it is crucial not to block these requests in the robots.txt fil...
John Mueller Apr 28, 2020
★★★ Do non-canonical URLs in internal links really kill PageRank?
Using non-canonical URLs in internal links does not directly affect PageRank flow, but it can complicate analysis in Search Console and lead Google to choose the wrong canonical URL....
John Mueller Apr 28, 2020
★★★ Are your internal links sabotaging Google’s canonical choice?
Google selects a canonical URL by using various factors, such as rel=canonical, internal and external links, as well as redirects. If the internal links point to non-canonical URLs, it can complicate ...
John Mueller Apr 28, 2020
★★ Does Googlebot really submit your forms and is it something to worry about?
It is extremely rare for Googlebot to submit forms unless it is the only way to access content (such as on some government websites). Googlebot avoids this to prevent generating unwanted actions like ...
John Mueller Apr 28, 2020
★★★ Should you really block tracking parameters for Googlebot through cloaking?
Adding tracking parameters for users while blocking them for bots via cloaking is allowed, but it's not a good SEO practice as it complicates the analysis of your traffic and site navigation. It is pr...
John Mueller Apr 28, 2020
★★★ Is Infinite Scroll Secretly Killing Your Organic Rankings?
Martin Splitt explained during a hangout that certain infinite scroll systems on websites could cause SEO damage. For example, when part of the content isn't loaded until the user scrolls down their s...
Martin Splitt Apr 27, 2020
★★★ Does the URL inspection tool really solve your canonicalization issues?
With the URL inspection tool in Search Console, you can check which URL Google has selected as canonical. If it’s not the desired page, search for and correct the signals pointing to the old URL....
John Mueller Apr 22, 2020
★★★ Should you really clean up all internal links after a 301 redirect?
To help Google focus on the new URL after a 301 redirect, it is advisable to update internal links, sitemap files, and any other references pointing to the original page so that they point to the new ...
John Mueller Apr 22, 2020
★★★ Do 301 redirects really ensure your canonical is recognized by Google?
301 redirects are regarded by Google as a canonicalization signal indicating that you prefer the destination page to be indexed instead of the original page. However, Google employs many other factors...
John Mueller Apr 22, 2020
★★★ Why is Google's indexing API prohibited for most of your pages?
The Indexing API is intended solely for pages with structured data of the type 'job posting' and 'live streamed', and not for other types of pages....
John Mueller Apr 19, 2020
★★★ Why does Google advise against automatic redirection for multilingual homepages?
Automatically redirecting users to a specific language version can complicate the diagnosis of indexing-related issues....
John Mueller Apr 19, 2020
★★★ Can the HTTP 503 code really slow down Googlebot strategically?
HTTP 503 errors are a way to automatically slow down Googlebot, and this is taken into account by all of Google's crawlers....
John Mueller Apr 19, 2020
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