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-084509622588.mit-edu.top",cType: 'managed',cRay: '90f242f52c19081f',cH: '5XoGyZPKqbDDtuPbP4aeKadHzuEbzV_dXGpce39swXU-1739087353-1.2.1.1-qP0VTZL0IXtzsu5nM1LN_EcIiTN3lQg_jCWi8eRe.dsEQBoxbBLiTj.q7SryHdlX',cUPMDTk: "\/post\/1254730869?__cf_chl_tk=pxO1.T2Gkonbs8nxGGKj1efsNItm3lzLlqafmmFl3NE-1739087353-1.0.1.1-X.v_JjDWBsKOJr2XaDAyv7XbmR1jGIThj8XfNyBF.ZU",cFPWv: 'g',cITimeS: '1739087353',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1254730869?__cf_chl_f_tk=pxO1.T2Gkonbs8nxGGKj1efsNItm3lzLlqafmmFl3NE-1739087353-1.0.1.1-X.v_JjDWBsKOJr2XaDAyv7XbmR1jGIThj8XfNyBF.ZU",md: "JgxifTf5MliPPP_ITBdM1VQvepJO3Y_D5yZPQKo7H8c-1739087353-1.2.1.1-wOcW2HgNpLDXYar74XJb6qRom9VTFVMLNttjK1QDxySOCrQiNA2J7jE8lO9AfLLQM9ke8KNFiUIDs5y2kcMaUiYEMtU9l0kRUQy7QiOx_dN7i.Y9T6tK6eXcdJcCx932zftVqglznMgH8Jcy9vu90zqV6ND4MUfxvbhF_J97NwxF0AvVGpUgSU8p3yKLiwIS83hmwljSku32kIttQ8XU5FvWAs5e7.my7VjzLQgyeWrgHI9dyMz63Xp4NZJa9wK5Skld7AyawmIK6Sm7bKYD57k7atLZbeFgJFUK4KJzCTnvsHkFEOAvVu72V9VdyPQb5hA0tYf7m9LmCD07vZJh6TjyAKEJLc3tVwBmbq3.4IX0PqetUBjp6Vsyw6F3NHl6Y9NVa4r0o6iM83SO8RlFjXk7I1BHSmwFc5Gd4iUPjMkClRxPqr_6hYzvxHkUAomcEtfeRnx_NdqvQR8ldLCYlEpoC1j94nsfvKee6JRfteg6Dh6KkEOOV1mnXBsDnGCCFCetrCYR5RuuUulIWCf6VjC6PLrcqdcxXcVVBjDvk1B25kybvZv6ydN8dXz1quGafjkZViKJrtH47S8.YVNcC9Uw_iBQOLDBpipdVT3XGUymNWNbn0rfM_UCNhVu9nakBg5I8UOAnh7gje4WsWAByTnCscd22Js2eOl2tN9Yqz1plNVEE0f5Or8VzyNIehqosj2dtgqgLvrkFunS6OdwYGcYzVKFVmM1I9oSt5ewx2kMxC7bg6MQf1YT3Rl5o81zuPmKx5t7gkZ69_lqb4CVExxzA7awfpRnsRQw0Zz_ZHALZes6LTc9Hu8elqrd1zubVq2TsUJ_iiYE51uKVP_lcZ.swlTtDjmSAYt5wETK9y4YgRGQwdKcJDyVZsk7lDKdA4BXlDYE6PFeaq.xsXvdjP_KUjzgdL1378XcRlhCnlqOeKKm6QcuQGu8NtbqtFBqUBubitpJsX3fhtM4Ew5IrPi0K6vt3oYUsQCKmgwkKa3jXpiC7oXcgC5ic7UYNhLlJS_sLeC16gUjl8aQG.z1ceGnKHob2PPvcrpz46u_PfVCDFVvdG9w0pZxIng7PBhaDV5yX56Sbz_cckv1GaFpNBai4RzLBom9Rap19WCqAH1jm9cOaSCt2idHdxRI2sTZIxjB1gXwLtqTWeCOxX7Wrt_f3mqOoH_ErGme10bK5LthdBehGNVrSTiYJyJ9kA5xqOU0P.2H.oKPe0r2bxe96iYKsAWFx2jYdpSxcDUqkwG_mhdLplkZ_.zJu2Y9Nep3rFP3STWg67VHTmsYCrrG2BXFF8pQdVGeMJ_5mm5XRGTRGIlbpzWrOymX.BVW4UP64t0.9K4MK0H5sKLqIpQJuxXFWVMOkpJg5MZzN10TQvF.9qJH28mw4zR1VohWsJy.krdR7Qc2UkY7iJggrmaW.P4_Nji_G7PozHP9CtxTNkQyj69kgksqJB7PhcGqXnhQgTB.4B2dw51c3KYbzI8eHcTqnJ7t68gw_yWx6JbJFrnwO4hfz0LfcX2bK4Xup0AZL7NSxXFEopGr6Vqpj18gKlz2NgY5CSekmypz1kzqlMafyjsopaHIDcgB.iKrDPT2ji2KnvB20teo79M7SJ1ZWqFvxhMa8D8w7J70roR3.avtSzXkqfNT08PenyMQ_yD7sFjZ8m40R.5m8sD6gg1hFXGCWU3B5Ea0_psE5qZF.1.UGt0lru4Y7Vy3H6eTLXnSV1YNdfHsstdciS2F6n1IBs0YWPPrX2S3tHzcrEIhsdTCe0OXh0Ab8hRZUJGxGsXda9ToPZWy3m2P7_CvS1r4Aiz9veJiFroDBnfLj7cTE8tLR1uu9RuSym2ghSdI3WUnP5p1EcgWj8YUFSKKMWdOWHrT8exIgPJlwWocK1MSCNafwQCEWMQV5xkHU2MrLvOo8kfZJa8lWNUEyVq8.vpgqkw_adhg.yQdiFYTfQ1cQsMpgUmLq81oVUpTfQnueZmFQe68QyqYIbuQLbdQQpd3I5UjspeDwgel6K91NTdxf9JzUxIgvp4q_j2mpACpsyI4IL4zofaQbR3SAPghfCeuXv9RjCTAWmwNGnNQVMV3CDWMPKuRFjCahusvwvGjtH.WsSLhIp2dq2_NlBAKwRQmXaY.1u6HatI.loFsbsDVRZ_TSCdn2TKqYwfiz5aYBpFsMhR3T2mu22AbUkZs7B1.fZH5leYcwY8dYz_kWQT84xbYTY3uzGsxeZMNBX6_sSTW",mdrd: "R6bOEg1is93UI3xXvN1KQgouh90iSr4wZDirtm36pU4-1739087353-1.2.1.1-BRpguqRoCRreECLRUrbn5tC8MO9AJFnXuQDLzncUN6iUtu9USDky4LBohUvenm4Oj64KKweOeRD6z8qSkSCiNe83F5vKCc6e_LdUzHdMfCLVeu0w0RG74SgeZ1TEm_1e4V0qSV4XoVBPjWonvMSH4.uGYhhHMnGGmprZdHkJ6WOehzttumwg9LXuXl5j.agJhPnQ..T2l74DKg9OR0L4M2RJO69PvLmrso2qiI92U7O4dwozG37i0wcBqu1arA0.RygFPdLm_LK7Bb0kjBlKPco9pE_5TeH7NiHib07moty_R5Wfvs1V2pLdhhMo_FEahVnDWguX2uCTAWkG5Rx2nz5vKd8OO9jxI7QuC5m8O9evlmcJGCgG29cfvi06sR6eR3vgxM7kTesdyOoVINl5IujFJYd0hvxvD3mnLIqcFSb9YGSLYAlbOXda4D2UCHkBtLMlwqITt2URGhO5dU2W0elGv3sY28I6z5HxCXta6wEWXWmxZH3.6K71iQuGGAbWa0CY8scDuLKujo0Adenyl5EToEvTxeoWEtyuYtn5L07WVSuWAcrXvQMg13qw4NVnBBYLk2T.DQJZ1ABd8FqBcwCDshipHlWGIYonhEXaorwA3anOeLpbxsI7DyAGuzl0NljxHUDTO02xpf2YAhzHiSfVDkv1vYc5fMEG9ZbaVfqca3_MWweaqXuOHC57qPKi1iV3yjTWHTS2KkV0N7Ji64ptCruOvQ1F6Y9PzI5ha9gukV8aRiJ1VjZr9Y_LJjkwL.QkYxY2arAqPsHrFOdrt4YSDvFQbcgVJVSvg0_bA24_KrrM1bj0WUuAkydrQbvMvBTxEe33KgFPqAlCJ_.IhA8kXAJ.Vx8XPPUZ4K3ls6IYS_j9HQNgoO_Qw2X0Erc3kaLNKgFiuEQSH96NecMAP6mMamIBRqk8.ZLkh3IhQH_uniDLR7ZWPLP5pfLdXcdw6qCnJj9lY_IK4GJN5EGY3gzLxgRTE4eUW24YWt7RJeVLB9zrBklgV5pRkaS9QHxfGNhLCLguM7HkjEBE9Z9G9V7ntM7IXAiIdrl2nBetUfCPf0R._6CWUYwhp_c0HIQrYnnXCKlJQxz9.47T.FEj3BAr1knOmtY2USCuiP_BJeavjjt0Jon1aAG3n4NCdlnw3mlZlJbg3BOP3AFBa4y9IrWgk5s6QTlaldXPUT2Wc.bxchHfkqbBwQU0QWGuyqqG6yvW9I9DbrRQs_la_eQPL2JuPf3YMAgV6RaIgv7X4Yxg3M0yth5zhqDtRmPUoanFWB2f2UDcgIwIX1pmb6McxdF0u3NtSioSoiw54JUNfk.bh0qZ92mLW5P0JaKV4q0wwj_hwICJOMJzehDR8.Ck3uXRu8fuZ4PMzFPMJiKsuXmM9Wx5NlgpBushPyVV7Gf8d16qVuzj8BEzUGoGCdiMyGYUxbcMOS_fmX418KwZtTVTvqooC9Bv6geBrx86LSV.8.DWVJXyJVi90MI4fkeIJEvIvQvBKpyIUPSEc41VBPoiLJa8VgABEai9NCmH.9zXhQOhBIe4IJ6ogdYh6aggiFls65QiuYITpPIl8LOS8WN_akD3y6IgAqrggccM4_jZ8votlvajQihUb6PSaw1pj7kg52HtFziuzUKQXfdJnxBEKL8wgFm5MO6mF7KEu8a53Yg4G4LN_u.NjrlUWo0LUbcDC74N3y6hKfVw9mmiLCCNaynSkPs17Po.R8dve77.CA2uPvXWYicB9AWcuPmebzBWDAu0yKBbh3zki3suM6ba3WxsRZ_XKs16xDgdhVFMVFmMYrRuP4snf4ocH96Ywg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f242f52c19081f';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\/1254730869?__cf_chl_rt_tk=pxO1.T2Gkonbs8nxGGKj1efsNItm3lzLlqafmmFl3NE-1739087353-1.0.1.1-X.v_JjDWBsKOJr2XaDAyv7XbmR1jGIThj8XfNyBF.ZU" + 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