for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-867383865948.mit-edu.top",cType: 'managed',cRay: '90f3a8283af3d637',cH: 'g2RCQKl.Er1tE_N3_IRUNp6aPSxHxCwc2myqbVV1_3Q-1739101984-1.2.1.1-X1.X.m4EmMwyMj0rlS0tkdE2ClCUKiSwvoFl4e53pDplx3wnqmP3iRPwuJyAKjIE',cUPMDTk: "\/post\/5478912630?__cf_chl_tk=WenFK4YHiPZGjTcjw8n1ZJXJy17gHV16asOo7CHivzY-1739101984-1.0.1.1-agh2GsD2vtlPJFyhxl.VayzVrxZP9XP4f5A1RI8nJB4",cFPWv: 'g',cITimeS: '1739101984',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5478912630?__cf_chl_f_tk=WenFK4YHiPZGjTcjw8n1ZJXJy17gHV16asOo7CHivzY-1739101984-1.0.1.1-agh2GsD2vtlPJFyhxl.VayzVrxZP9XP4f5A1RI8nJB4",md: "7B9nGAOtiAierzxBVdpeFak3mGMtkCWB3X8jnOEDT70-1739101984-1.2.1.1-441orew1YeID5U25gmeIRwb9CrXhEoOXEi7jUKXy5M9c8Es9w50.ZaMiRWlDIVUojOtII_Wq6kW8CN15b7UZa0M.pp1doYA_XuVb.9s9PxuJNl4Yk3r6ODWgUq3V5kS6ojWMG2g9YM_eqXxyp6YKipxOe6YwrmVZrmX_hy5ik.104vL2lYlDDDh218.9X9tiEunvZWphEd1XLS4pc7YrXnjL6D5PmsMYJej7ZW55s6OXeGBGd6z8yYJ6xln5hzVGSLIPGB0eDyjhN4rakli5ssW1.I4cA8KJXyh.ohON8nXN5C8W3xzY1OD3iyWk1cqK3z8ClJZc78ddSHo_9cseP.FUnDV9PwRDBdS4s74IRwjXztV5bL9_83E8vvcq7hBwicfE2lsygga2Ly7Wcz96MdcW69Ivgq3DUMDbxJs5nIt53zqQyMUa01k6hlKUELDuZCuII61tGPYmh3Sa26Paj16C8EfUItSaHYUDFKcVR88BZfVy5WAQNTinZGKTNslUjCrDcAhUd1c0HibQBc6GdUe8PR3BECXww7E9HabK5ECMEphUtbMOm9Nkm7VByzLVVWpnpiKllEeQEzBpEZY8ZJSH4cNRFC5QgLXSob23SCPg_l5z21c9toGVkOmw8gEfyW4jDTD8ZNF4EU5pvPqMue8eMzixwv5CYK.uqzIYvXH8hutlAvY8u.nhjbKJFsTNoKebZ.FOcuG4lNQq7Va5oromYVg.FObKRUyakKg69fxM8HTquszn7qOi9piWCuoYEX_ssQJbbJZ5L90mxPFQSpTCjacDdrE46xbxj__uFr9eZwuxzaosh4jyk4H.emnwwAeyzGp4OrigTqPgdLCG6vE6EKjPyxIBSoimQn5pMffrw4x4UKigFwAThE2Unwl3KPG_UbindMd6LFEFFs6nmYFYWXIGcPGsRFFblxBLzVOrShNHAjVMBtRLUtcsIij5xdjBMwJcX71yaYzhNI1UhgPoZiq4grltFzoFP0BppOzpEotcQeOHxKKZIf685tZipq4OcRbJY2HtOjMHAt1JTQT_.jPlVR9fH3ZbX3IKyJ1z9q9HQObRZDakFWIcZt4BRKUljbj6kw0AbNmUkkwt5xP4i7s3r7pxPacQvdVmwPCVQ5CxDLyJN_VR5GXWn8PkgiyW0iytWOJyqrGs84IOOQJYtAq88OIuUbMAEtiEuFAPnoNTXQStZzBaCvzfYX5uzHpkDOmRlbPOB_QdTb53hmY6ihZ7dwStcCHuZLDmlqMnXdQ_.20roP8ShUERYyE_sjx4lzQ5EO_nlxQpnLt1zphplRq4Q4VwBOOnfePYw_kRyqqFv6lB6ZTmaZ89y.R6.C2RDZoZVrRODxA5p.f4COmmDlPqt1vBNHApK4PAOXgFwOdo23q6Gv22_5UxpFvn8naKM7zYJX8R2MSMEQq0nFZCOfGRlxouodGKbystwg7Mj8tmf.TKF4tSxEKYA19S1UyA0TdNRq1RxCcKVdd7_dEIz61ehGspkChRBmrxqWCeE5kBMlk0DACBDl3VivSnleW_Dj.ozDm_xdQyDnANsgas0AZXd.EtDg5FKx9pJzA.JjlX3XzRooh6nSLfVe3wmxh7tUcKWFfJEZ9E6452RqpPGmTg0wuga4Zl0r6ArUygzFmin7PFzZ73o30yauGk2_KevVx63QTp4A4bEpaFZM2LsAB.kRBzpOdWMkgQbdwIlJCaHxe2hMJvkQWPiuKrJrYW2YdFNHrGV6VkfOUmnlzGf6m4sRsvMf_hNOFV80ke2kjwMXSP8mxMARqB8fB9K1iND_Gt3K98lemv7K_An8ahaETVQ9au4KQKEsfvOP9sy8geBpo1OoXcVvf0cracpEQP46jxIn5BB3JNJQ0Fe5Sz6QfQpnMMjRpFGHdX2dA2mnkp639j.7p0EXC06ESNVdENwFwIi6a2i9PSl54nP0wWt4PWf2f9toFDoGZ9QMXKes995TDdVlec0IzzzAEhfadFe8JBiNeSLdV8QtTz6dsGzWWSuw3vrzwGguC0r5vNqkhpfe7ZMLQcobJc3EQhB41h1AEF.m1AtX5lb0sG9o0WgRplskC2YWxnvprnmofAcc7nebeRo9K8EzicNYozFdcdxbrwkF5zSeu3i4qF3J5QR0uiKLYFBVD15.phu_te0AE8E7AhhqT5Vi39e5UZq6jQNiGAoI8gVcog4_mgOpXBCSFEj5TQ9UoufRqgtUqXos1ieR4FQ_MiJr.eUF54",mdrd: "EEoYJhVgZuDXvsDuGd2OHmwQ63vq9gDuz5Ftnt.Jj9c-1739101984-1.2.1.1-c54CGrhz.mg2QIb0AGn9T7bJ0PWmKYeZrDDI79607cLl4eQvMt20VQ3SjHQ0W9OFFIJpbkvBkw6zx0iSsvGX_gItNaaySV4SDnq420GIEvf11NyGQIpXYVGD0YsSTfx4CYfwTUjGP8ne1nnpAJTnZ3.qeWfILs0nPusRGCWxSB1.rI4HO1.K2YrLVZl0GtcOhboxaz3.wyupIUOgT..zyCZTtnMNcApBxX1oxmaqC4Ma_f4d2Vd33T06pokfSaSOcMz6VFN9nLT2jQRwAegLf_9D49GvxjGjWkVtpcM.ukS624OzZ2aLQu9.vkCqVcU3KQmK_J7Pn11_WTbOYPIUS7c3hFCH_OBkFiW5yFhOf_.1IFf0Xg0VHp345ZwtAEyrre_zF8fkiOlzpsUjc8AOIZrY3WxeKXox1PL.r50GD57wuo1wPHzjsd_DN5I4HLGh9LbVYq3dComvNdD13U201DycK.DPVO.Qmf6vCREWlokqYmZvjGrlpRObZPAF6KJ1gx2y6Fr3xSqC5Yp.6Ll5WCdGgG9LJXj9CdvCWw8UdkBzUbbHQxLJHUazNI7WbqntBPLSNEIPi2kmL9iltcUgiOWCWDMfiegt9.HyJ6Xl2KYMnkHmbDTcIt1RC5KaXoeKcedNlTfsPreNWjJHVSJxMLV5FHlMEf8tVi5g2yRe2f1aOyiHXishXnZKeF0ZIWP9foUdMPdRitx2nKuutPDKzvK.Q.Gd_Cky5Y.y8n2MKKy.FbvXryrWM6mCsSyR6FxYISp_rUqeRsyxEhXlDXgLPUVjRzxtgXb9jAL.1gFllvSagR6YUMtDS.qsbDBf1nV4FhA1OxMGl4VAYWPsXFRby9hOM_JWslS89ylmm1ITV3owPx_Asa9mhSd.8vYItWknCUON8dUNz5tCE825qp5YgJhuqw9gRXV.wSJFzLS0X.SRg14a6yS4CO6brTRI0dxx37NnqBofnUtktruUyOwUu7H3ld4M63BkR4WXSqCq.N1NbcJLBKBQSTralgkTrAoKL9D0chg1nRKGniZLrgvPT_OF1W0L9Xcp0zMhnACWx.xtK6MKop3..WBo.0soT1nRkzGAf8q_ZYuNXstugKXQL7eZRpG8HBMkclCTm0xodmLAwfYRHtt5eiZOHLJYgdJthoYErU.8I8mg.rUvt7Vp12E8k6XnxaSx27HllP8KGPOQ.vjTNapHJZlWAsHJC1fEpm6vuDUOvnWPyU04zc0MFebrFHGXNBxX6.R6GdQkgakhK7MjY.WqZ1l7toZJJYjDBPfbjrDF.vu6.j_HsW_AQxXqnk21u5ya57PnuDJbrfnAL6nxXaUa2wGio9WPrtl2rP1BUZ7PNumFr2hVT4_jK_z.MBf41ghaT3U73HdedGkBdeaSAdOmQpcTgOuYy3MZsggnfj7Xh7iwBpKch7MmAmfv6PvXBJQb1VCFA0anXiEWUd.aXba4K.VgoCCHg7HcaQ8JvTLNb4dYmoha9GRbOhXmSGmzDVyiGOKz.TnlGvBaPuZ_CWRyPKse7Z.mIiinVBOw5ZxdWUeAWYg11NB9.dRSyCvQ.LMPsywUeyt2Gd5X23AYRdrE3dWyCEi3go8gTyS2hkC6tPz4Rblw1CgqAVcGaaTNLpAkvkM0mMIC.pBPmJcwMVgP7TruH1fBMMuGIKAvL6j.l5HswJ8aXrsJkl7oOQjO0_P16X0ZxboKFe_GuCUp3dvFuIPIjxpwOL_d_kxhLqiVBYnWzg13P.GB59V5HZxs38AA_i6XhWBPwiQI3aYfOUNalrH57oESFmnAsINVN.exox9JoV3FgNE7Dw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a8283af3d637';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/5478912630?__cf_chl_rt_tk=WenFK4YHiPZGjTcjw8n1ZJXJy17gHV16asOo7CHivzY-1739101984-1.0.1.1-agh2GsD2vtlPJFyhxl.VayzVrxZP9XP4f5A1RI8nJB4" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms