If there is no landscape orientation for smartphones on the site, this does not matter for SEO. This was told by a representative of Google, John Mueller. But at the same time, it is essential for the search engine that the site pages are optimized for a mobile device.
What the Google search engine focuses on.
The question about the significance of horizontal orientation was asked on Twitter. p>
" What happens if the website does not assume landscape mode for a smartphone and other devices? How does the search engine react to this moment? I understand that this functionality will not affect the ranking, but is it important for users?", - said the webmaster.
John Muller noted that this is not essential for SEO. According to him, the key point for the search engine is the overall optimization of the site for mobile devices. But even if the site does not have support for horizontal mode on a smartphone, this is not critical for the Google search engine. This moment is required only for the convenience of users, because often the vertical viewing mode is even more convenient.
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Google: отсутствие альбомного режима на сайте не влияет на SEO
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