Finalize the site (laravel), remove errors, bring the site to search engines seo, further work with the site

Finalize the site "Rest Ru", otduhai.ru. Remove errors in the site, bring the site to the search engines Yandex and Google through SEO, rework the system of entering recreation centers (so that it was possible to expose the bases without a 3D tour, now without 3D does not allow) in the future work on the development of the site and mobile applications. The first part should be completed as soon as possible.
Budget under discussion