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-198620200024.mit-edu.top",cType: 'managed',cRay: '91103c2f4976883c',cH: 'AQLhpvfqhLKbo55P.sXBnLDqbVQOirlhtXuVEwXi81Q-1739401648-1.2.1.1-VObX7Y8RrU6ehmi6ilBvfFEOGrxtXk9tfQhQDD.Gq6Reafv9OFKFsILoe.Xvz0fj',cUPMDTk: "\/post\/6957302418?__cf_chl_tk=WC40mJKMINTmoizm5mtLrXhCTTu0ufIy7ko2LKILU2c-1739401648-1.0.1.1-o.RsqfE8CfJ2vlTXoAqDu.2RXDe45JFGEIZ6ulDQmJg",cFPWv: 'b',cITimeS: '1739401648',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6957302418?__cf_chl_f_tk=WC40mJKMINTmoizm5mtLrXhCTTu0ufIy7ko2LKILU2c-1739401648-1.0.1.1-o.RsqfE8CfJ2vlTXoAqDu.2RXDe45JFGEIZ6ulDQmJg",md: "u1i7fI6hiZWdgXkFG.PUxO44NW5winmIkkgCSAguDZQ-1739401648-1.2.1.1-y2gxOEHuQzUxMwKODWEOVrrPEc8L1arvtsCqICAsdMig1Riy2bncsC8Sb.VfLFw5lS2Ir2sYxbAIrdWRPYimiAbxQ3s1MWT3dJtNq8MUOvdcyhGeV.gmDgH4UJUHoaJ9IcJRgvcFstWOJUMJilNb.oTk5_nz7TCV9AtTGRR97TL4c0qIWAfJ6wm2oaI4Ot0K30zONvCeYW_2Lq7SaV9H5Xw_K2hn9PSCyhPLKP31C14S_cYYSZiMpYCaPlxAQjvQfZxVsSgeHLmfj47lFzDBWKS06uXNMd_tU9gd5.QE1bUbp88JqL3kXox4Y1hjig8gvtyTkxM9WHW_6j2j82.BKV5y1LzWSv7dG.B1o4ktmBHDGsWGxSgxwWr3Na_UIojfN8eeQswyVCDKdZw6qPM78huXXfl44FL_0nXsoxDEb_StUio7hxXzPbW29Wd4ptHoWl1ZuOCmaNAubVn7bSet5cN2WSu85du5NIlpIs_sIxtwsJnJetPzX.6eD.XFEktha1eeHadaOjKamwbYPAFIueXTh_R0EHG9eF8f4Ln8tlzKkw0pvya0lgNf3TAtsk_jCrXC32kB1GG78VAwRkm.q4b_qIPYDwprmrp0USi00Iu4kfYVb7WIgnVtsfygRufRC1ZrAkQPT9btd0JV67IKupQuvZc6p7qx1Gtr.4cwUGda0HUtAcfczGEcoqcf5gceLtmPHHVgmwoZe_X5F3uYOB8eRlr68qILtWJoNJVR6KWv1bhaN_Aju2K0Ov9Hg4B0pZl1TVuzy96OpqWOYhSLYiP7tQ9eK9GqZ8MRvqMAuXbe8.lb.L2JKhzD1wfoWBBQbJ_tSHN5yA4bwJZNstvSgx3Mi0yb7LSrOL8xcWQTPrqZ5RqtLCFNpSDMt6_jodnjl0vlgOejbxQaFlN_s2KKwBWlxWa6JCfmUhdwEOIhjJU1DPMKQ_v53UaRc.BtJLU2qlxuZ8pzhxdPacP8lRqlvN3EqIFbDrft.YbkNL33QgaY5iudNcYX_4wXdpx8nU.7tgzaxpEXa5vkWT8qsvR36QV8kFrhaDSSKftqUmnATZVfO6igQ6p3Sz1zFauR5oWqXZ8Vw_7BgLZy_dtUaCLQ_gWgHsVmYfDd2kOBHADDgLIma4O8IR07t1fSNkXMPQ73_OgcC3H_bnBrsWmRBgGo0Rfo8PsjcqPZbcotiMs0kJ4xOXeDjKB9LqYhpajS4hEu3MxrWxGN92h_zT8uUzDzgfNsAgIZ1C.00f5M9vgjWt2BX62nppKX8yUrihsTOyC5lWmftW29f__.tdTsn01A9TNqgXnJ__tSQ_8Ci4eyYGNAxZ1KKTBHlXEwrbWtX9IQxhVOiYi1yGjQ5oMklgk5eLhgkJnGxQlyyy2Cbi.6goRT6tqyAczxUafLHh.aERXf.DYmeaq3f0NVZdCYrU7f.aWEzn1KRmI.Tpf7dz4FxdkdaEeKceZxOah9tuWeRz9IBjbZ97xlZaT.2M5aKQp._WI72ezNh2U5HeQXBsfKHEQ6XtMFOVocT0hGYtPHy_Q_JSiELE34qNwfB4JGfukNiPMnz0uvNNaP6xkbfmNXXDD5q9mLp0ygNAgalkPgeUBuY4cyV.tDC2VU8c_FIbCqHuoMB0VG.yoXeWmK8dkyM..a8ClNDRxQ6SrnxHpgCeRWFjDxidwMZE20orWu2Fmlwk4Dz1q7upMB3KtteTiCe7Q6zfH6lQZEuLNqti4Gb1m5mXTT019jhlz27hhvWHcJYOcSevZ3j4l35urObkkdkAi76zxTqff8nnQQA9vMJbq6lDJuxzJEHPHRo8XmS947GaRyKFCKgkvxx..nlIXQ2ZUoF0pxhooHZ7sZ.cR5hkjUZGpV8W5opmrIQLsngqyp0Oq0Y6idf1juMVxdakjX.kH34_TesGKpGTNem_hCNrc.sTgooTG1rLZNciY522_X4Q6qcihW0fbm1VCUJyrqEve.yUrTx3k6iGc0P_c9ofRIaGgTT5owrym1qgRkFgujOJdzvTxMGisBYAMJpZlk0XHugWRtZLa5CuKVQMb2eyzSuwNvqiAWW.w8aHg60rXWqdPZjqc9.hRAtRErVSsuafKP8UECQ2WL6w7KkAqQx_dPHjxT.elpQXf5HfPIA5l7pAA3eNvm5EBZM7Luuth5UGEScVshLK4BD5bmtHAOHEjlsQEJiqIrWfYGNjnVwZRhiUrua1ev2OsTZnHhrtjJt0WdWc6FqpIfUb.2eKebdC.k",mdrd: "UDddjauu5bzW2W9wQaP6eUqItW4SQOqZTqRzmXA4m1s-1739401648-1.2.1.1-DJrVyDhvLjCkJc3pCTZia5M8vTSXT83Iw.SIyd2EWojTK839CZ6krJ2Cu9sbm9vZgxi9mA9z0Qrd.mEvKPvAkWn_PDz5Npdcbor0CbnsXktl99mu87OQF_hoRq_EYtH41P_qUDv_3Ytgmeza2KuVywfDZq0DVzPDiJEIlaL5qt5B6dr5PQN0.lFRA41Y0GzvIJl9ZIwiCETAZqcQ5UsvkKdQI3dvg0eqM18AVWbakz3PwsavMZW6z8t5N_ptQHMaTDw27rlk_W9QHHAgBE5kojWz3g1tm860LJyZb_62lQRf2TbzXv0kay0AcCLwV_PdD_d9rrNtWZ.tYEw9DaWGHGqw8dhXOg4XYJcN01EDMj9HMUh8zRFuf6IHarzFlXSrypVFuSgBNCVs5YWZoP5o_5PDuss3PhIHfbd6Groj.SRWEYD52C8iVfBJwGv6z8zMmCyOJVr9rnSG6ZE8gOCzli_aVkV5MedDZ1WkvcVnAHjxoSBxXoiGmm__34Xs6hwaq_a3iD59AWo6YxB2y5Yl5R1OWSCqJxkcVCnk2YER8sgRdshdubLVnlQRxWsmLGFy1nLdh8wrdD5r5650FwCMTKbjlNm9zWJPSHOMLDXhJe0oQqTcZzL1LOS2LHC46vEO6q7JDP844rYmtYmf0cT0eeMMMR3UoXblts4d7OdgFbN3i_ol_dAXgHzRa1TeAd.9KjcDka6TVx0pYXG9pLy0vhNJ32pILkyvH_o1IMjpi2GmtttW0.YuCFC7lTP3K7IAxpzx6lFr97.8e2RNDoUKXErXvdOStnb3_k.VGAd2_kOlmSYg3XivVyEwhKX0gQkIQK1Qt6oXu_2GRT7KeZ1blhJE52vCg8OXxxwuSJoF0g8uK9Y3kcCqAE.GTzJpurREUzhKvlHmakT0llUHfsCB_9Jt57hgQH8EsyDPSF.y0MsITfNyZpMxb8SM_aXy81I5s4HrOiJYmsRdu9qEYqpN4JUuvR0aOMXUNX407UwJxxvXe74KflaFp57qVQsEOjHyWwkHkdD.x8P8xcwAEklWAkeCw7GAQDYQj_DcasymdZ9.HAldsk2NKJDtrObd0O4uHJt0_5recba2cnSeMhOhaEp4lgOejnsIP3abnnNfxWlK1MyYq9rhJMm_3kd1KILIhEZutCNFdVWU99.CgZjzvX_DJPIusVjFJMN_lXcA09kVSt6AL8tDaYSFII68wK4i61qVAzNMgTpZZqPPlW.rFfhWxYVTByOrfzpPh4Lkb6PkI9o5eauIuM7QG8hzoRgPWVMD46NHXY7R9kP7xs9FF2SKc2Xd4dck0lezyhRykLoiRWMDh2ywALbTURWYi1xTWvr7maGDEeSp5JiRsqN6QZEOUgu8N_Tqg_i6t.dc9sZyPUje2unKdcx00P814NhBdOPBE2QYUjIUrJQbhehHYCpL3jdZxeDo_nxta5cJS03HddCGJoKHGpRaH9zLUZdWANnEVwYmohsxZgJnnTo8UJqcGRi9d8blhrzFqsDAH5TOFP8mo90xrWBEWb7SVFTMhOEZy.BbEfUJIV_0par1.fEg2uba4IKyOB.mbzQSuujMnuT_.vEVyfVMpSqE0Mt6rQwfmDpBmBbvS0ubMmsocun6yEHwNiF9JAcf7GZHbW3cHKNfVsv_KJ_tskw3BWVn_GbXpKUivzlRolzEAHz1QOI0zEaV4A3M77Pytoc3P0kJ7xM1vKhHY0ZWb.pH.1NjACDGam.R3mdJjAu369KLSRFL6h6pdCA10X7LAwqogNOtIT.Y4tBi.VddMjD4VcWuDS8CZne8uHR9gs8wfrcVq0r_P19ekWxEViDOEZ2R6Tc"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103c2f4976883c';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\/6957302418?__cf_chl_rt_tk=WC40mJKMINTmoizm5mtLrXhCTTu0ufIy7ko2LKILU2c-1739401648-1.0.1.1-o.RsqfE8CfJ2vlTXoAqDu.2RXDe45JFGEIZ6ulDQmJg" + 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