WordPress does what it always does: the post title, and search engines pick their own description. On a front page that shows your latest posts, the Tagline is the description.
About 50 characters, close to the page's heading: the same words, with more to go on. WordPress adds " – Site name" after it (not on the front page), and Google may rewrite titles that are long or don't match the heading.
No. It asks search engines not to list it, and it's up to them to honor that. Anyone with the link can still open the page. It's also left out of the sitemap.
A wide picture, 1200 × 630 pixels, not your logo. It's used in link previews when a post has no featured image.
Yes, pick a share image in the post's Simple SEO fields. Link previews use it instead of the featured image, and your theme keeps showing the featured image. Handy when the picture that looks good on your site isn't the one that works in a shared link, like a card with the headline on it.
Then that plugin is in charge and Simple SEO outputs nothing. The fields stay, so nothing is lost if you switch.
AI search uses the same basics as normal search: a page that can be crawled, with a good title and description. As of 2026, Google doesn't use llms.txt, so Simple SEO doesn't make one.
Yup. The fields are post meta: _simple_seo_title, _simple_seo_description, _simple_seo_noindex and _simple_seo_share_image (an attachment ID), in the REST API with ?context=edit. Everything Simple SEO outputs goes through a filter first. See the hooks.
It's still there for pages: in the Classic Editor box, and in Quick Edit on pages that have one.
WebSite JSON-LD block), which it shows next to your pages in search results.local), HTML comments mark where Simple SEO's tags start and end in the page head, for easier debugging. Never on live sites._simple_seo_title, _simple_seo_description, _simple_seo_noindex). Existing custom page titles keep working and move to the new field the next time the post is saved. Only logged-in users who can edit the post see the fields in the REST API.simple_seo_link_previews filter./wp-sitemap.xml).