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-808874427945.mit-edu.top",cType: 'managed',cRay: '90f7ec76f8655b16',cH: 'CRG2cE_O8CS3A94NZlCssZb__u9GOnm.6a0GdVtV.y8-1739146724-1.2.1.1-c0cpgVSgqLOX1vilcwAedF7WMIMMuCcHtduewYG2zSOiljvA7LtY2nD8RSl0Fjqz',cUPMDTk: "\/post\/4853179206?__cf_chl_tk=f1myvFGNJEJQXhfATbgMaei6UfOm3x8vMemdZSFxybo-1739146724-1.0.1.1-0XpsZHd4PeHmqFmlk8M0e7Ejp.A9QEHVt2u__VWkLdM",cFPWv: 'g',cITimeS: '1739146724',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4853179206?__cf_chl_f_tk=f1myvFGNJEJQXhfATbgMaei6UfOm3x8vMemdZSFxybo-1739146724-1.0.1.1-0XpsZHd4PeHmqFmlk8M0e7Ejp.A9QEHVt2u__VWkLdM",md: "Jtsw9jIYsjPX6OVxsXZzJKHGNqgOGHWhIr.mh7dD5zk-1739146724-1.2.1.1-TtYcdeJhU99Mp0hY_q4pHsalkFhPMIAIzGodU4OXTBdZcQZ53zE2i9_ApvQyNDQ2PZ_mXFqA.Qj1qjNvolPjUeJcyTtBZx.spmKGpbya3x6ay4we6SGrUTa8JLwLcGxXtVi3LkauugyVeohUvwG1k9u1E5.wpCSdziefefInOAdoueYz98NlVw8WhLI8_BsQmNW8o6atLLb40qJVZsMxH6Gt2d7TwuELjaAsVegqNlOQtkR7XWuPlZjeijUsuDsKWL6jznGb4GZqbjbnm8xQqf2iJIUuNCINPKfoOP3dA_dHo7Xzr614p_q7Q2wq8S9oqBDYf5T.UoK2JNU_nVMuzzwO7tbuCbKhcUoeKQ9SV8quE.5GzXvn2BV__Ohk7cgvZcj0ES60ARVedmnpjWRe3OWowI.jZt7vO5R_IUh.XejWkzaFufVlKUDkLKgH5a4Bev7nvuxViSAZU2eisaR1EOzEZQhPg1wNCTLRehvs7Az1aKoMHjntyKi3S_v8mmc3SSvK9OphGJKKPu0MMnP2pDYydxZavT6vJCjUPEufF_WtdErC5I1tLlqm3jhEr9Ip4bzj4whfsjFCReH7kGfbgLz2kCjYQbIwVOBZU0u7PFhLkiqpTzeb66OndHSVfhpuH0kpCdk3vEeWge4LzwSD2_mSI0peeReCIaUZmBz4.PeMazk4zligNgSfOah0Pr86RPdSPt0pgCyqBYvGVwbtKEToINEhMTvdncxmzTrNfh8tqQLmDOoDc5q4MYskiDSc0KjUIyLYfnjZgVIUEB.qIYgfNHOyu1efqdarGhvZckfmyhPom4zg0KLfuBH22jVQkatFkCQpy0dRH5rSxqLhd0X8b80j8NRPca5bfb4OP2VGRoevtbarMZBIK0P37YkTR0kneZasUJXfnYvtFNe3hfbCqOQzioL9CBuRrYuwJuhy9YqlbGbYcVvTwjf0LAoqp0AVQMNYw4FY1o_gdaEtoVChaL.4dlrxAXGzQdFWKYHu3DU59nSOtRNBrk8MO0ziw0G2ofYL7LocmKdOmPabfdmYRb195exJRD8E2zk7QA7J_7ZNXkjWvo3KC6gxtFckE5okkBgHmeOrdV0pGgpUxPXa7GRb_YyeoWff99AFWnqGFNFOgDpwhScJ0MG0KwDcU9Y_QlpilpNUS3txIzpnGM4PxC1e_e59fjC7c6bDiuA.TD08MREQYHSwzalk0Y6VaEeVKPOVvCFdfBOXHUZFmy.wVothjrfvcgDIFMC3.55sqb0A95hCRMHSacmul6Wo.Gpxw1XQtJLIQybxC741txzBOjIvRb.8fi0X_79jsL34SeutrlM5zrXV7PO42uYlUk2O1AEvUBeCUbQSEm7T2GK_cMQh751C0RNrmXD0xumtzN0e0AIqGb7wlohilbSgTpI_FpCGz3OYDGtnTc40G7D1xCxSRv1s2mRDPzHwAImyHA_3X8zB4Z2G0Ol28LxsMBg.fol1GzzpUyzHNRbzth6xVtLYLFqjGkpG6lsoEKDvVzTJ3jjBPYDh.YiADkash2BS5BlX3UOJeeHBK7CXkfGKP.SOWidSdPhwvv_Lxs1MYDCxbNPZ5swTYU5f9sxFuyz0WYhXyDx1MdwQp__gUwdDVNmlfzJQ2XftBS3BMvIc1jxVDkDc6Bob.coNxUH0Pz1d6e0L1ke57z7gUMpmrGBGvq4bSfagFgnJ.aj8W2RAcDdC27hnlpmfqF0HKpjvJFM9LbGTKDbzbQpM0bUeddQlXze.PmAaRidBfelHMV.W0CqlmjUhxiDCoCSh9jmIXFX4dvJHJgRI28T1zgOj3ud9PlLzeLvr.jvlIrZU6Hyxg0_MkX6FUdfNq3y2IUwkq7vAV.tmxnBfPw_xhsiHs2kv0YqGKOvGTcHQC6AGgkxUDzJm.T_OGvvlry04ajtchCiO.k047gyeP8lT.Fy0oS25dtXYeNop6cIORbxB._0HDVN6ZrRbTOEHbEPdN8HmZ8sbP6PuXOtIvaUL9KlDbUTkhm94mehVqD4yI3j4Z2mUBWD0Q2BGDvLRUvY1DHjRwzCfLgjgjSvcpPl4FmFQC1P1wPDhK0x640kQcGhFftAT3ESnGpB0uixgnGmTMqi1gtFQy1Zs8SykaNGCeyfuRibwA_iV66xVjVlSH75YsPJhNNJmxYuZmqcXlv7TFRA6BpSY2N34a3tyQN_BLvWrMEMybIgdgIf_Ijl3wcpEpUttb4GW9_ER994Ny6yXis8V",mdrd: "5btq6S81kI413RscdeXsmEw8xsxR6.7yX3pltWwPkOw-1739146724-1.2.1.1-bl0eFtEZxcmprYPiUyBVh9HEaX8CFZsk4LlXA9kBGoY4j0czggTkexyPU0RVuA1OcPKJbA8H.GSi587V71zpjUpEm1ukn2kd90cHfDfTJRJHbzD9woVTtkdo37RUlaxK0NtbakNFRs2Bek69QEfCsfrvUex5Cv0A_lWUbZs3XW3CnwqAixIArIhZk8j1f7r2YR9Kaf_vR9wYj36qxVhDzfJjNBtkcI5FJueTVTaa803XcKEdDt3WlcoH2ycRV5QHHjgFOGmMpQb95NrQcw2LKIYveRXri1DeNOHY5O8vyaFYGPf2QRJxdzub6r7NDZAbzwwp2GNJm6xSZQuVA44AoQfbhSbzKvkhk0IciJh9Lzq6dLFGGGyIePuZ7z1PQHGAO_TP8CQID4Hk5OFHQ5DUeo2mLbvVOkon5bY9nELSC8440aTTQvy9VVRBhSYOM4m6Kck.BAGxj9XGV_mZoHAbPr6Qn2iR7_JSrOmLLUNfZedrSKt.fp_CbS_aaJfnR.jHC0mEiSQXaH4q8upcHSd95RVM7oiaJ0.oWGhtrxkTOVZxfvMSjWxRlSDYDPmmq1Y5jeWhcJTAI92lc1t9_QT57DyAIrprMFSkfXOzEJgXAAdyGckSI5U8iW3FN69iCFPKKd6d4.HSLcjwNel3gOonbV1BNvzPh.rPCx20epvdQuZMHlcuxWwMHdBr8vR2iIfUihqaWFprvok8YMhgaBLg6DSlLoh48IXwLgB6rmtXkIFZ0Ed4UQGMJAzBmccWq3svtUgNGZ.hCGPL.bPFVFxTgXg4ERQstSmFHFNUpvDh90AoIB0OclqkeTkgIHAiLjOIzv9.Z4JCRu0tRpfMVuIDJM5FfC_7qlCyoXbMmaTr9gemwczN7UXJ7lau0qqGDkB9VPyiCmlw1CebOB8GjccIuXBNsNgLHXGpoeOf5hKDxduIBMPJofRcdBX4FymNgzR6iXNvM6CVrUtXGolxZ75Mt5OIpQaJv_IKCKnbBGRnVHzE0ji7OmSKPJIWnoqi7YFB7PoVA67Fg_UV4d9JCyMwaLwb3xrkehjkyxPGyTj_xFPjGobHUdfnosSuhJ93m_ao4huYYt2IWW4uG5CX8.qlrSAaicN4V6VeQK56Hkl5A1.fWZwdO_fEa5IIzpAa.Ii2LqMitJjOZ0nqf6404sZVZB4f2CYbXSd.ou9SnnF.RnOpnaOjlpRgud9YN4mkL2P1rooW2O8pzJUJVvwXYCA6CPEww.VvYgCOhMtqxdIDiIgwGsCmoyxbbY0G46gvefPhdx5Qr9A3CJYqi9nvLMPV1cSZRtqYnwuSUmniyLHcikVrApUxeGoRwUbDgzKkSSJTfLGiTRxrHH64nROIw7G1a0Wno4G6lgSw.IwA3pvLlyH4K5CPz84t8Io.y5JQ1C.SMPNzueqJ.HE1HREOWAJBwc6Bv1FzFZfSDOdfrLbbUxwPjx4TBa3wj1RcLWkFZCS1CqDnGm_Z.msdZXvv4VC7QGVi7zUBcnvBsylMtVZS4uyGOUsy04_2BLeAh7sw6ImAko8jWcactb18.vXQv4yGZiQIOVlh83P_fj_.4syiDNXSReFPS8sB36D8XokiEXnseBoVLm2.O6FOZ7Tu22S15Eit.VpGn_Qx.uwoAf7GAa74jWP5CXvAKGRPs15vRSrSHdE6buOZy9IM1WJ3Au5FxU2t8n0tilWZ_UlXTgcZKcl.teUd7FGD5tGfO28G8K7MyFSmwVKtspKo.WCxEgeLWdH52igp9UWnT0PNv41Si5OS9E1Yq5lbA52YZLXmpTMyxY4IFU8r.l4I0gXyk6r4D5F8eXGE0JT5UX1g0_6eY3k"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ec76f8655b16';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\/4853179206?__cf_chl_rt_tk=f1myvFGNJEJQXhfATbgMaei6UfOm3x8vMemdZSFxybo-1739146724-1.0.1.1-0XpsZHd4PeHmqFmlk8M0e7Ejp.A9QEHVt2u__VWkLdM" + 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
