# robots.txt for www.nationalgallery.org.uk User-agent: * Sitemap: https://www.nationalgallery.org.uk/xml-sitemap Sitemap: https://www.nationalgallery.org.uk/research/research-centre/archive/sitemap/1 Sitemap: https://www.nationalgallery.org.uk/research/research-centre/archive/sitemap/2 Sitemap: https://www.nationalgallery.org.uk/research/research-centre/archive/sitemap/3 Disallow: /custom/popups Disallow: /external User-agent: Googlebot-Image Disallow: /server.iip