User-agent: * Sitemap: https://www.ck12.org/sitemapindex.xml Sitemap: https://www.ck12.org/sitemap_subjects_index.xml ## Allow UGC 1.x FlexBooks Allow: */user:*/book/ ## Disallow following patterns Disallow: /api/ Disallow: /ads/ Disallow: /flx/show/web/ Disallow: /flx/show/pdf/ Disallow: /my/ Disallow: /editor/ Disallow: *.../$ Disallow: */user:*/ Disallow: /user-generated-content/ # disallow really old image urls that no longer make sense Disallow: /ck12/images Disallow: /external