Here you can set the title and description for search engines and social networks (properties with the og: prefix). You can also specify the image that will appear with the link for social networks and messengers.
Title — the project title that will be shown in the tab and in search engines
Description — a brief project description
og:title — project title for social networks
og:description — project description for social networks
og:image URL — site previews for social networks and messengers
Robots.txt — The robots.txt file is automatically generated by the system and is available at the address like this: mysite.com/robots.txt.
Sitemap.xml — This file is automatically generated for all published sites and is available at the address of the form: mysite.com/sitemap-0.xml. It includes all pages of the site. But you can also change these files manually