# Updated 08/10/25
# Disallow modals, error, search, utility and ? pages

User-agent: *

Disallow: /cookies.html
Disallow: /global-references.html
Disallow: /modal*
Disallow: /*?lightbox=
Disallow: /suche.html?*
Disallow: /errors/404.html
Disallow: /errors/403.html
Disallow: /errors/500.html

Sitemap: https://www.biogen.com/sitemap.xml