{"id":15,"date":"2010-07-30T04:32:51","date_gmt":"2010-07-30T09:32:51","guid":{"rendered":"https:\/\/uptimerobot.com\/blog\/?p=15"},"modified":"2025-11-13T15:22:12","modified_gmt":"2025-11-13T15:22:12","slug":"support-for-self-signed-ssl-certificates-and-how-https-urls-are-handled","status":"publish","type":"post","link":"https:\/\/uptimerobot.com\/blog\/support-for-self-signed-ssl-certificates-and-how-https-urls-are-handled\/","title":{"rendered":"Support For Self-Signed SSL Certificates (And How HTTPS URLs Are Handled)"},"content":{"rendered":"<p>Since the beginning, <strong>Uptime Robot <\/strong>was supporting URLs with SSL certificates (https).<\/p>\n<p>However, self-signed certificates (the ones with unknown CAs) were not supported as they were generating errors like &#8220;unknown certificate&#8221;, etc. and <strong>Uptime Robot<\/strong> was considering these websites to be down.<\/p>\n<p>Today, URLs with self-signed certificates are now supported just like any other URL (as you already know the certificate is self-signed and no need to throw alerts).<\/p>\n<p>On the other hand, for any type of https URLs,<strong> if the certificate is an invalid one (like the common name and URL not matching) or the date is expired, Uptime Robot will keep sending a down alert<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Since the beginning, Uptime Robot was supporting URLs with SSL certificates (https). However, self-signed certificates (the ones with unknown CAs) were not supported as they were generating errors like &#8220;unknown certificate&#8221;, etc. and Uptime Robot was considering these websites to be down. Today, URLs with self-signed certificates are now supported just like any other URL [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_is_featured_guide":false,"_post_views":58,"_reading_completions":52,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-announcements"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Support For Self-Signed SSL Certificates (And How HTTPS URLs Are Handled) | UptimeRobot Blog<\/title>\n<meta name=\"description\" content=\"Support for self-signed SSL certificates and how HTTPS URLs are handled in UptimeRobot, allowing self-signed certs but still flagging invalid or expired certificates.\" \/>\n<meta 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