What does Google say about SEO? /
Website security has become a cornerstone of modern search engine optimization. This category compiles all official Google statements regarding HTTPS protocol, SSL/TLS certificates, and their direct impact on search rankings. Since Google announced HTTPS as a ranking signal, understanding their positions on website security has become critical for SEO professionals. Topics covered include HTTP to HTTPS migration strategies, mixed content resolution, HSTS implementation, security certificate management and validation. Google regularly communicates best practices for securing websites, common migration pitfalls to avoid, and the growing importance of user data protection. This official documentation helps SEO practitioners secure their sites without losing rankings, anticipate evolving security requirements, and understand how Chrome and Search Console flag security issues. The guidance addresses technical implementation challenges, canonical URL handling during migrations, and the relationship between security and user trust signals. Mastering these official recommendations ensures not only improved search visibility but also visitor confidence and compliance with current web standards. For webmasters and SEO specialists, these declarations provide authoritative answers to security-related questions that directly affect organic performance and long-term site sustainability.
Quick SEO Quiz

Test your SEO knowledge in 5 questions

Less than a minute. Find out how much you really know about Google search.

🕒 ~1 min 🎯 5 questions
★★★ Can a free SSL certificate hurt your organic rankings?
In terms of SEO, there is no difference in treatment between free SSL certificates like Let's Encrypt and paid SSL certificates, provided they are valid and recognized by browsers....
John Mueller Jan 10, 2019
★★★ Are free SSL certificates just as good as paid ones for Google ranking?
Google makes no distinction between paid and free SSL certificates, like those from Let's Encrypt. As long as the certificate is valid and recognized by browsers, it is sufficient to be considered sec...
John Mueller Jan 10, 2019
★★★ Should you really use the 410 code to remove obsolete content?
Removing pages with content that is no longer relevant (like expired job offers) and returning an HTTP 410 code is good practice. This helps optimize crawl resources for active pages and improves the ...
Google Jan 04, 2019
★★★ Do You Really Need a Trailing Slash at the End of Your Homepage URL?
John Mueller answered a question on Twitter about the slash ("/") at the end of a website's domain name: is it implicitly taken into account or not? In other words, is the address https://www..com (wi...
John Mueller Dec 31, 2018
★★★ Should you really remove HTTP from the sitemap when migrating to HTTPS?
During the migration from HTTP to HTTPS, the HTTPS version must be prioritized in the sitemap. However, if HTTP correctly redirects to HTTPS, this should not pose a major problem for indexing....
Google Dec 17, 2018
★★★ Are improperly configured hreflang tags really sabotaging your local visibility?
For multilingual sites, poor hreflang tag implementation can lead to incorrect results in local searches. Ensure that each hreflang link is correctly defined with the full protocol (HTTP/HTTPS) and th...
Google Dec 17, 2018
★★ Are your XML sitemaps cluttering your search results?
Google can index XML sitemap files, and they may appear in search results. If you want to exclude them, use the HTTP X-Robots-Tag header for the XML sitemaps....
John Mueller Nov 27, 2018
★★★ How long could a 503 code jeopardize your indexing?
An HTTP 503 response can be temporarily used for technical issues, but Google will eventually remove the pages after several days if the error persists. It's advisable to handle any site migration con...
John Mueller Oct 05, 2018
★★★ Which HTTP Redirect Should You Use During HTTPS Migration to Preserve Your SEO?
John Mueller indicated during a hangout that "Google strongly recommends 301 redirects during an HTTPS migration", and therefore to move URLs from HTTP to HTTPS, when he was asked about 302 or 303 red...
John Mueller Aug 27, 2018
★★★ Does switching to HTTPS really boost your Google rankings, or is it just an SEO myth?
The effect of transitioning to HTTPS on rankings is very slight. It does not compensate for significant algorithmic changes or correct substantial traffic drops....
John Mueller Aug 24, 2018
★★★ Why could your HTTPS migration disrupt your Google indexing?
HTTPS migrations are independent of algorithm updates. They must be performed properly with clear 301 redirects page by page to avoid indexing fluctuations....
John Mueller Aug 24, 2018
★★★ Are 301 redirects always necessary for an HTTPS migration?
Google strongly recommends using 301 redirects when transitioning from HTTP to HTTPS to indicate a complete site move. This facilitates the transfer of signals and avoids individual URL processing....
John Mueller Aug 24, 2018
★★★ Should You Really Force Google to Crawl Faster During an HTTPS Migration?
Gary Illyes indicated on Twitter that, in the case of an HTTPS migration, there was no reason to implement specific actions to obtain faster crawling from Google. The migration will be taken into acco...
Gary Illyes Aug 20, 2018
★★ Should you enable HSTS immediately when migrating a domain to HTTPS?
When changing domains, set up HSTS only after ensuring that everything works well on HTTPS....
John Mueller Jul 27, 2018
★★ Why do HTTP and HTTPS create two distinct indexes in Search Console?
In Search Console, it is important to verify the correct HTTP or HTTPS versions of a site as indexations can vary between them after a migration....
John Mueller Jul 27, 2018
★★★ How does Google really transfer signals during an HTTPS migration?
When transitioning a site from HTTP to HTTPS, if the migration is done correctly, Google can easily transfer all properties from the old site to the new one. In cases of technical errors, such as misc...
John Mueller Jul 27, 2018
★★ HTTPS and Mobile Indexing: Why Does Google Treat HTTP and HTTPS as Two Different Sites?
Migrating a HTTP version to mobile indexing does not guarantee that the HTTPS version has also transitioned to mobile indexing. Google treats HTTP and HTTPS separately....
John Mueller Jul 20, 2018
★★ Does HTTPS really improve Google rankings?
Currently, there is no intention to use HTTPS as a ranking boost in search results, although its visibility in Chrome may prompt more sites to make the transition....
John Mueller Jun 29, 2018
★★★ Should you really abandon hreflang tags in anchor links?
Google does not support hreflang tags in anchor links. Hreflang tags must be placed in the head section of the HTML page, in the HTTP header, or in a sitemap....
John Mueller Jun 12, 2018
★★★ Should you really declare all URL variants in Search Console?
It is recommended to add all URL variants (WWW, non-WWW, HTTP, HTTPS) to Search Console to gather all the data. We are working to simplify this process in the future....
John Mueller Jun 01, 2018
🔔

Get real-time analysis of the latest Google SEO declarations

Be the first to know every time a new official Google statement drops — with full expert analysis.

No spam. Unsubscribe in one click.