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-032633878872.mit-edu.top",cType: 'managed',cRay: '90faf7946adec96a',cH: '5glnJjSHzLLumbLlPAvAKTOSots5kA.RzD8PdgPjo2g-1739178637-1.2.1.1-WoHGyq6.RIm0GCCiot0Gd4c5OSLal0pgUx7eG2.HFC2X3VjOKp_PoyPWfz7udPZL',cUPMDTk: "\/post\/5704329681?__cf_chl_tk=lg4RXzUfhir0r28dB1JkxNbqfSWmXLJO9KqgxBjP4tk-1739178637-1.0.1.1-x9sAdkOmulR.c2M8LnLUyO0CMRq_0yZRhdK8hXBz6fI",cFPWv: 'g',cITimeS: '1739178637',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5704329681?__cf_chl_f_tk=lg4RXzUfhir0r28dB1JkxNbqfSWmXLJO9KqgxBjP4tk-1739178637-1.0.1.1-x9sAdkOmulR.c2M8LnLUyO0CMRq_0yZRhdK8hXBz6fI",md: "wW0it26l1usPvfwQxEybLErFQQhP0Q.zbpxDJ5yapLI-1739178637-1.2.1.1-EhHtFCvZT0DZgIdrN4k2ehDrJrmhaCyhFGi01OGS1JRj276Sfb3saph04FHMvWldLPaO_T_zSsr6yQUWfFpshkxvPlpciogvK5ZY.De3qC1vUTdNfp1kSaaEh9aTxBl5nI2SrFU9bFA8Npl_p9YpZrId6L2L.yl0Oh0p4XO3PVuJqmxb1fP_lADZicjlf5LQRdkSDprtOndWX2ynOqIiD.9_UnSZdjY3dwZ0DRJPFXoFykT7s2EUVxqS2y9zMpnfmScwxtEtzlvOcLqMY7V4Q7USrX4j2UJAdp53AgxBdefz4Fr4c.LOwNwVYl_MdbEP_Lko8xk8cz7dXMypAbhNnRsQKz83U_1kK54SUUt_FEvfOMaNlGcYowFgJxrchnHZ_3htE54Shh.zoU3mWKfyGu6oOs2Pylvf_y0rxd_iNZsLe6QIc2AFO.zbH6kUfsyGqy.e95MTNWX0uDSjkRXtD1TrgcQjcvDgd96C8eAzImKjPQ5aJsZ2GsinvNaDYYxHoqL4siNP.5kTaY26lbTfG1Qj1TfeELHYp2.Vn3sZkEwFPG09SiYAi_BOVfDA.LSPGuFqd6vX6VVXJ.So9PAoWTWShetJ10t_eRbUg_yKgzitTQWoIr6_oICchLReEAlpHuW28OQHuQqONeMp3mrn1VExiGF64xSIp4WuvPf7h8et22J4C4qimp5QIyrtDEZyh.Vonc8eSf9iuc3IyNJ_5wXynYFfbXdpzYbBYUoce4cZyGpQc6KvsiE6FdZ03xBm2YKXxnhgaWYrcDFKs_e68f7_OdxV6sNyZtoZ5SRDQocokNovxvLJ7wKkK353Zv6RqUZRDBRRyYP_SIh4Wg2brkqZbtkCN0enjWatJbLUF80g8jgGeGAKodam76LMadqscZ3nazFJ2wDynwHZSGlfE5owzl_IeQmeqnALruGHP8Cu88cp0J9r.EMqU_t18pu42KAwtg7MidV7Uoq_vYtAhAjRICDgA9hbglocCTkRjnM9cIJkaxMojAliPt09hy8AF19_wdycmErYnzmI0xtzR0CXe2h59qpe4PN4vLorXlxLlrhfBxzM2U8yaPzBG25KjrtzqmriGYZZUo7PhbioOIfIpvjQda78NrY5cjw5Zr3z4_w3DtUMW01Jvv2ENptTyZKRlhjJuP.fFKbnN.4r4NtaokNNuLAaiaCzmZ2wW449DjmRq9g0Lur2iAnysJXURQI3A9aDbVJjd1ORqMjOC_2pt_7vz15YUfH5slmG06pD6545Ii89wyiKeD0nECTcK8Tlj_0xzVNd70OcMspom9gXYDK9Zds9OjsvOshXmvz3skXJweYsdgx2sBPhbeXHkv_zf9vniwGrl4tx0hdNoGV.F2Ir3dsaZ_MtseXiikhuF6wbVMDs6sqJDXvEBoiV7xSC3Lbwr7GJgg8zWOwrDSnh_U9wsNhQepM6H_fuQ0B0NHdOhmNwtrIN2PV7c4K8BqyQra8_PaxihI0HwR0k6jIV4hFDePzuVQhVt3KZAwAxZGXNN6W9yBlAWssB2HVN_PymKQFndop.1mwj_5yjQ_jpitVUEi9t4ow9adx5OKm148Kr7YXmFw7t2NRC_Z4AMzmQ9zf8q31tVm6dkUQrQwKOorw8wp8tXCl03U_75kHEZRG1j6qoDlASQTYuO.eK7.7ZZBHXo_uBMMfAaqwb3qKUavPvW7AieDIWaoNoDYq_11q7j3maXsIi.AUHo5hYp6t2Pg5A3A9QhAiSlSzfXWtO5HwxpnpBNHEjrM.FdQvJu1DZnsApg_laOW8KpjlS5zyqYFxyejXmV2aVb1x5KdfD1Uu.E5BoGQUg37Bu5CR7PmOFIc5j9lK_1U.nNyMYL3XP2PV5yaKQBVqlkgozn0MqMWbEPyV5i0K89NfpSZZ347bnArG6B_GBAtzMjreH2kB2eCvp7aEy2a2YYVppCFKv6NXeIA5azW4iIzeiaiw5DYNG2YHc.iVzDlWrPO9RKLtFefLpEfd6B3NpPQxicYmPq3tQWxSJjRFTH7FS4so_kHHaJjCU7o5XyJGPvUe3p7Sk_fZ4dTMGP_Yx7auVLGe_OO1iWdqXUq4oLfZS37xZH.DfOWef2Y69ADe4520B35w.fle66T_lC8qSUndL23Pe200mQsPSl7VYgXvy8i.hdI7hw5Eq6ipdUO_BgRRp_4d7XqF1HAYzawj8gYCuWMjLKP1J48FWgtb0QuzAbh35XjIvcdWhb87xnkqmVbfn",mdrd: "m9xxW2DN.L6YgTBn3PiLuHqvKzvwVJ05A9R2T0hGDaA-1739178637-1.2.1.1-jXk1bddGCU6N1IdQvNXgjCzHQ3oSCQNXOrfOsTK57WXZCE8_lFUZpIADMwAhD51eUPwCToJjtOSviKQYF0rrF3kLs6yu5TRNQDSC49yIHBlELoXEaqatcVyyO42_gXUur5.NlIZ2ZnQDt8RqmDw1eTFtriJZThCfmbvShbLKb75IjwrjylZfXuA7nCiRrIC6x2u3ys2IyaOkDApLsPI3mKlyGh6byGjuwLZQcKGg35nUvC.R4SK0BPlSRbxo4PtFQgSSWwvcnFrQAflLgmupGDyhMVZ_aQTl70obJ_T0XRxfQuuk8MdnnPdruMUXYaqDg5oB9oSmDR9qwuqhHPhuQW2wd6vSjAfwrx0HNaUFjTophjSKGR0sdJdWpKAQlxzJA7okevz01iC2mAW2raREuoLcsoQ2igiPdyN4aO7NFoxd1yKnmQh16lHqaJSO06cRQOJGthBN0wsaK8d6dvgUnbhcIH3W8X8JLseLDibcQ7lZgouFM8MUbZIRY.HXTpefbKvV65unHv1HgYOlOVOfIRLEPqymEaRoLpWzQdIfr7.RFewZppmKXevC9mJ6b_I8WFF5XSKEdhfk4arDm.1NWjdUehzVIRwIB3pwssGyKYzni4haJi8.lhKDdhlFRce1Xr_zT1vpYksT7xzIVF0Boglwj4ThjjZlMt0vmN.OYaE6ezEcbwmQsKX1WqUGHXgiNYAzkkl_ny4OcTC38FX_9pd09ZNQIDawFykOxie8HSclegQoUjrJrv4t3N9tDiWgMX0ajv7YO55auun_Vqf.C2VoDsaEpZvO5AxK5NjhsvSoeHLLMbk3r.D6RyTpuLl1G1fw8Z89FhIIWJ1sk7ODzjG9HzHoPf2YsY2zqPhiyUTBdrs1IyA0FVq5y4cikewkHe7V56dwfq89SVZf6OLh.dwR7xiRxlgjARq.xuFL8WT6ceNGQBSaQzBqXyMDUL0ROlNMnRkIAy3juJgktzkjGlENKzUjyGyeDVoOp5Y_Co0XpLchBOfwv_k7IbZ6VKwowQ1RTAAMJL_os7ftHWRhFWnL3LePasYK5_CkXi8b28Y3QZgmSHL2AlO2gmUw_3vHINN87prlD_DVwQqki_WVAnrk4s4tCAtbw1Ooll7VByxArt1xO1LukKlvcIZlxW7iwwMgc69RjJG_.FTjPpo72jcy2f8DPEf4GRCAjSCrCK2lltj9R9aoP9jOt50Ospf0cgn6VHgPOWG8B0VEffNS9I64thcAU8AEtXJqGZYW3dDr3ysv8aPybC3hbRLjJcVkT8qA5CkcxjFJAlGPW_v03vjlhIeW0a7HJMYJiCmjxU6fuE7gE3Fg1S3pQKov768_tb041DxyOgqDAU_n.1aUirjVicHxVjOd8PRhsSRvM6ZhVNcMawO6HSAcp.af_2XD6XYBrJJYrldvlXFfWbFyqr1ynw.PQzgG2bopvOoQ6msM.Y1uZiSALKuqUws9MhIOOsBiii.3O3XSqEDgIuncw0naB9FGmFvw8.SXb9FzJA1MMZU7zzfgUCAYR.68PAVW3M.e0ZRQX5g1yGcdKaXlvf6SC3zvWInr_Nfb7WXXMhrKyXyqlgGewBgEShknvB7CWULtpIgslD0zQQEJL8hIzFdQxRkLYfP_pYQaR0D6FzHp8YLmsl2UjLze8o5X_fJrNMdFKx_i5krSfiZO.1fo2ZStmb_BJij2VYXMFfqM215BydTKVbj_mxwhTzUo4S4f3uyjPD5mE6y86AnCetDNwKnUA21cOjtE4KrMIi6ccT54xeYufglbhCuqz.tT_piJFMVuC8KBVSFsVb9LRJHso3MplTwCJPycdtldGY5n8HA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faf7946adec96a';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\/5704329681?__cf_chl_rt_tk=lg4RXzUfhir0r28dB1JkxNbqfSWmXLJO9KqgxBjP4tk-1739178637-1.0.1.1-x9sAdkOmulR.c2M8LnLUyO0CMRq_0yZRhdK8hXBz6fI" + 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