What does Google say about SEO?

Search through official Google statements about search engine optimization

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9745 statement(s) found
Should you opt for a 410 code instead of a 404 to speed up deindexing?
John Mueller Dec 10, 2019 ★★
HTTP 410 responses inform Google that the page has been permanently deleted and can speed up its deindexing compared to a 404, although the practical difference is often minimal.
Domain Age & History Crawl & Indexing HTTPS & Security Search Console
Do hreflang tags really prevent canonicalization between identical regional content?
John Mueller Dec 10, 2019 ★★★
When identical content is present across regional English versions, a phenomenon of canonicalization may occur. Nevertheless, Google will display the correct version in search results if hreflang tags are properly configured.
Content Crawl & Indexing AI & SEO Local Search International SEO
Should You Still Disavow Bad Backlinks in 2024?
John Mueller Dec 09, 2019 ★★★
John Mueller reminded us on Twitter that Google now ignores links from "spammy" sites: "We already ignore links from this type of site, where natural links are unlikely. No need to disavow."
Content AI & SEO JavaScript & Technical SEO Links & Backlinks PDF & Files Penalties & Spam Social Media
Are Cookie Interstitials Blocking Your Website's SEO Performance?
John Mueller Dec 09, 2019 ★★★
The same John Mueller indicated, also on Twitter, that the fact that a website displays interstitials showing legal texts (example: cookie acceptance) is not a problem as long as Google can read the content and the content is in the HTML code of the ...
Domain Age & History Content Crawl & Indexing AI & SEO Local Search Social Media
Does No Manual Action Really Mean Google Considers Your Site High-Quality?
John Mueller Dec 09, 2019 ★★★
The same John Mueller indicated, again on Twitter, that the fact that a website is not subject to a manual action does not mean that it is considered by Google to be of good quality, because not all sites on the planet are analyzed by the "webspam te...
Domain Age & History Content AI & SEO JavaScript & Technical SEO Penalties & Spam Social Media
Do 404 errors on your images and embedded content really affect your crawl and ranking?
John Mueller Dec 06, 2019 ★★★
Google indicates that unexpected 404 errors generated from links in embedded content do not affect the site’s crawl and ranking if images are correctly indexed. 404 errors are quickly processed without impact if relevant URLs are properly explored.
Domain Age & History Content Crawl & Indexing AI & SEO Images & Videos JavaScript & Technical SEO Links & Backlinks Domain Name
Should you really test indexability before migrating to React or another JavaScript framework?
John Mueller Dec 06, 2019 ★★★
Implementing JavaScript frameworks such as React can have a significant impact on SEO. It's advisable to conduct tests on pages before proceeding with a full migration to ensure that content remains indexable.
Domain Age & History Content Crawl & Indexing JavaScript & Technical SEO Redirects
Does AMP really boost your Google ranking?
John Mueller Dec 06, 2019 ★★★
AMP pages are ranked the same way as regular pages. They don’t have an inherent ranking advantage, but they can benefit from increased speed, which is a ranking factor for mobile.
Domain Age & History AI & SEO Mobile SEO Web Performance
Should you really ignore spam backlinks pointing to your site?
John Mueller Dec 06, 2019 ★★★
Links from spam sites generally do not affect a site's SEO ranking. There is no need to worry or to try to explicitly block them.
AI & SEO JavaScript & Technical SEO Links & Backlinks Penalties & Spam
Does duplicate content really dilute SEO value across multiple sites?
John Mueller Dec 06, 2019 ★★★
Using the same content across multiple sites dilutes the value of the content in Google's eyes, making each site less competitive. Duplicate content is not necessarily a penalty but rather a dilution factor.
Domain Age & History Content Crawl & Indexing AI & SEO
Should you really ditch WordPress for a modern JavaScript setup?
John Mueller Dec 06, 2019 ★★★
Migrating from a WordPress site to a JavaScript architecture without rendering server-side content can impact your SEO. Caution is advised, and rigorous testing should be conducted.
Content JavaScript & Technical SEO Pagination & Structure
Why are your new pages experiencing unpredictable traffic fluctuations?
John Mueller Dec 06, 2019 ★★
At Google, traffic fluctuations on new pages can occur because the algorithms are trying to guess their relevance. These variations are not intentional but result from the lack of initial data.
Algorithms Domain Age & History AI & SEO
Can hreflang be used for pages that are only partially translated?
John Mueller Dec 06, 2019 ★★
It is acceptable to include pages in a hreflang set even if the content is not translated, as long as the page template is translated. Not including these pages is also a viable option.
Domain Age & History Content AI & SEO Pagination & Structure International SEO
Is BERT a game changer for multilingual SEO?
John Mueller Dec 06, 2019 ★★★
BERT helps Google better understand content and queries, without site owners needing to alter their content. The technology is applied to other languages after testing to improve understanding.
Algorithms Content AI & SEO International SEO
Does a shared template across multiple sites influence their SEO?
John Mueller Dec 06, 2019 ★★★
Using the same template for multiple sites poses no problem, but identical content weakens the potential ranking of these sites. Google treats this as duplicate content, which can impact online visibility.
Content AI & SEO
Do attachment pages really hurt your site's SEO?
John Mueller Dec 06, 2019 ★★
Attachment pages do not penalize a site if they add value. They must provide a positive and relevant user experience to justify their indexing by Google.
Domain Age & History Crawl & Indexing
Should you really test the SEO impact of every infrastructure change with A/B testing?
John Mueller Dec 06, 2019 ★★★
Any infrastructure change, such as migrating to client-side JavaScript, requires validation through A/B testing on pages to evaluate its impact on SEO and compare performance before and after implementation.
Domain Age & History JavaScript & Technical SEO Links & Backlinks Pagination & Structure Web Performance Redirects Search Console
How can you check if your site has switched to Mobile-First Indexing?
Google Dec 05, 2019 ★★★
To verify if a page has been properly migrated to Mobile-First Indexing (MFI), check the 'Coverage' section of the Search Console. If the 'Main Crawler' is marked as 'Smartphone', this indicates a migration to MFI.
Domain Age & History Crawl & Indexing AI & SEO Mobile SEO Redirects Search Console
How does migrating to HTTPS affect your HTTP indexing, and what can you do to prepare for it?
Google Dec 05, 2019 ★★★
When migrating to HTTPS, expect a decrease in the indexing of HTTP pages. Ensure that the SSL configuration is correct and that the redirects from HTTP to HTTPS are properly in place.
Domain Age & History Crawl & Indexing HTTPS & Security AI & SEO Redirects
Does image lazy-loading really hurt Google’s indexing?
Google Dec 05, 2019 ★★★
Using lazy-loading for images (loading="lazy") is recognized by Google and does not affect the bot’s ability to index pages. However, pay attention to the impact on perceived loading time for users.
Domain Age & History Crawl & Indexing Images & Videos Web Performance
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