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-181697124552.mit-edu.top",cType: 'managed',cRay: '90f83519ee14c592',cH: 'deZ9OQHZnmd0.wUZfQ7TubiLDi1Q4simiZsQtiCWrpM-1739149700-1.2.1.1-TfgJHssjfp40TciZTk1w8PXgO2nfn3t2Ln0_1PRa0CN0SoT4DSPGq.nH7hcRrVEX',cUPMDTk: "\/post\/8906734521?__cf_chl_tk=YcJ7KQJQIwoFDZvnVJuG39NTYuA5Jy0E6W_4fCbKh_s-1739149700-1.0.1.1-8G9hyLTelUW39r79vsiGh4J4yGapN8OV0Nex9zD3iko",cFPWv: 'g',cITimeS: '1739149700',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8906734521?__cf_chl_f_tk=YcJ7KQJQIwoFDZvnVJuG39NTYuA5Jy0E6W_4fCbKh_s-1739149700-1.0.1.1-8G9hyLTelUW39r79vsiGh4J4yGapN8OV0Nex9zD3iko",md: "CNRoFpvUGlEqBXHtOy3AzoiDXxpJNVqrvTRSt0oLoZY-1739149700-1.2.1.1-xMmb0.LYHvTUX3GN6m4uFjDyMEXu9C9rzKnEbOIkV78CIx3_Dlj.k0qD_hSNE3fpBKV61uO4bAOA14OI1YanBTmyWBKu8H.L3VMolwQRQkFletSHD_wRR6RqQWDqQXP7uJJBPphEC8e3XxkA3DIgR4.6bC1kwmb1_AgoaMg_3Abdq_KXktsopVKgtAFwYynjdL6hrTMZH7to_p7u2gV62XMKyzu1oO..Oxpm.Bi0OyBfMW3cIfoWPNgWNKfFNePIEkdqLmF9S12r7yWvj6FEw8VotQkbL9DoijwS2FfySLqBTP.0Y2KExVw2eKEIrLjConfeRs.VZTLUHytH9xaK3Cr4_PmS2akRd6_4t5erp4493cvMyab4XbnwQ4IYnDcwU7QVzebUd3_sSrgOzEM_em4LyYOYGQ7s6Nf_Qx92uFoqMWFq9sJbKup7kl2.YQIiJlP33J.T52cSQnIoucOCdy0fysr2deN_Baz3YOCbLGBQyXiy6Y1fmCdTCd9.bmB02vmltTSDmmggYJl1ii81M4DfhtrwKiIk4Wfg8QysA5idzOGou9f8VCk4TlA5SJpRTmW3GDduPdXoH_SRZcnMmdCH5fyorbKjVUros4d9033BuG_seZRoUAD66UoG3eOLoCyjBHOJV3nrrlKGrcO6s0WKruXlMxn8T3wrucijsY1M.VEtuEsfydonC4YJNY2DuprOu1nUDfeYvHraNtLoAALB1DJF8Jzx38aUn_69ThVCk.H_1tqkIpI8le2mzB3jOMse0wzH3rMCPhau1oeBPLIoWxpCej6WUfj3ndFlFaSqaU43a4gsq6W7SHuonfWypfiTVtUQ3H45vO9AJs.d3V2JYHQVlW3U_tlE_nWuBiscrAI0fMsxu6wwE5P1LzcTg2vBemTCg6co0L5owui7W5gLe5ya8w2cmbLg_AgwvcucId_hw_4wNrotz8XBiRYTafNd_INvI698eYdeVoITLaA05BQ62siNQKYjxtGwgggOq1xaskszKZzOQgZh4S7BNDCr0DzqN11u2KOXgtd.47yyFgmKtoyBXL.eFRHW6OQvh_mhgKht5LHHJ4p2KX9jtKwv6LCkbOgMWFg7YEq73361DDtvAy0PHhbohuCcTBDr00qbU59NiUc0bHhY1uTvloKuaSja.naYBo9eIXBeAwCCjqF7Af4hVScGrhQXaXtblocSHLqaaNB09BuZfXCXJRA6kWjZwJ2uj_apaZNKTwev4P42H8ho7X3ceFGqW2y8VVEJn_Jip2_MPkieoRmdMsqr87DDw7yUv2bqL2ifhOCUU6PNcvdYRrpg.p6BRmtEGvuSlZ8Mg1PV092iIWJqkOSbRJ.Xf30dHgQqBmwQpNlrRp7RSbSmBJEfYsYJbTKAuCw62pnC.m7t8FTypxismfzOuRI0oT7eRSAirvXJ5R9i9BydQFB44QdORNTmqvbrz3r.wrwDgO52N8UPmntTgwuEdOEyDK0Y0DUpT43O_s0dGKr.j5QkQifh2v8YLoAMrQzoA6aiCP7rgrK7W3ooamDMKR7SBVpS9i9Y6OTM4lNsFEu9lAF_vAl4aJauzgCJgAyOE3urL_uM2zgDhmbKyC0UDQhpLDZI4S9DOaW1RVtHjNFpWw4eYETVsBb8VlVSL0aI.3t6l_DCkvpuGKJtInX2dj6I2wBsIc7ummwe1oe2Xg4xTuhsokW.ZNn1l1mK2jquUvZGFjCaCGm8_62o9CgjSpvrkqbVk_KZOjAYfcceOAMmg7PMaq4h8NhJZ_ft6xYrV1uckqYHK12kxHQTwp3kjfOxz4.VwLeKnEDoDnOJJVzikX3wf1Fs7sPn74R96hlTPytN5L5IBRgnW3USa.SJtdAFZu.5XES0.P0W0e521QdC49i2wynimGVuh87Ko6xgA1euGQA.nI9sbGxZJxOI7T5ynIKhzG6GT.oZcGf1VSOw0GTkQxumhzhxw0gsG8pSLsT3qMDCJ3Qce2aCsOu2DtTO5uMdVHfhPruQ7WmKMk6h70I5EAno8YU6cyzZMiXolliC2kI4YoZebZxCt4rTUYq8FQLItvvbpyK0.dpmdiNvC8iLsnnLz82VA8Qy5LJyqSDmyUsDsB7yneK56454v67JMsSLa1aW54booBVfgm95RQaiJWQQifqUNZImLEkBY6CSdCw28rs2UoWxWmpTfakGsyoYPem09Q62yA0uP58bnM5VoehSxNzzy.AE_uSVbZJYwROudNUya8YC",mdrd: "jVxPtkhuuuOjqn.UdPia_LhZCMP2sZiH4YjR.pHeodc-1739149700-1.2.1.1-3CpTDXRF6cSYtWTNbH.4ytdevTbbxOCXUz6XpQrzzGQu4SwG6nGpFmcpsPFLWjJFwTT0pPnD9GtSfa1WN3wLpl79gN52vYlDPk7CyzVlo6Czi6QHdyXaUnCHtg6urGxqKodf9X0wy9OuqRvE0pnvirYo3F3OmXlBWGQ.rZrjwcKsHEJVs3aegQvxAZDh1sP59wXt9.22.FynHSoEZsHAhK_uJRToaki4pOpIRPhVBNq0HGj3770yDnXIH_MpK0xufhw3Ao8gK6amDMiqM1BNa5yTJYvmjyPvj_N7Z39Qyuj.vg9veX_ae_v_IKR3YbTDtb04MekwkVqKNSiOS.PHq.NWgkbMOHtpVTTDSLxjhk2yJ2uZOMamN5nHxcJGkc7TCFkAcemW5VtdMGHWxfuPureFAqi6RYjc1XEaAoncj28l0Y4fuRRiP6PPConJcnvGyfFZPyr3Zuz2FPXD9L8Tb8IRtw_RxnNEE_ZF5dB7S2O9Rh56UKDFmdR.MNtw2Y.6lKZTLlupk_1M2RDLvvZPMrBmHKiGfUupOk3yoUs5fdGNcx7kZL78K1Wn6RAuVV.PeepaXEypzniKzLUc1PJ_sKGeyschjEkYKKE_q_KnL_d9iIcm77LbX7TmrAJxvjBHnLu6lSJZt5.aPgK0KbfbegOYH94AW5CjYdQyZg.vr5Fc5XskaHKK7zouif_Z._cv3eQO_HPz1yhGRZ99fZGbqIY8HSH_G.b9yk0rfgvk3OQ_yre9Z5jKqeh6yGMt7dX_RpUEuU6BxkfF7Rzw78UN6mrhMSlOhXD.YYIhUypQatyrOC3oZ4uRT3lqwRidaFG1OO0uuQb0elXf5usAUjV3VXKLmwqGcg8VtzmMi4lmQ6PVGkfUYqtowH1UwXjdqc73Obd8aVAB.PE5R7iA2GqOi1evJ3.qHcQQOL3ihR32ANsL6IirDu.DRPWpdkCQP3ZVr0vdq9xl_NUKjweb4fpgNKFhYGD2rMGGN3Vc8XJ_2X7CzNfIsuHu4IIjOxyZl5vHAklw5eqEk9Dv6H7YJ.2faWx6p942rAQXE7H9SxbfhsUtaOXOH7Et6K_MgTHGWNeLFX.5ryJ8gWDSY_p4uJcfc6LUMPm3e3eQhC9JM5SAUdmii7LHmt8R71EIY155H_VwTaqbC8ao4P0cXI4XYXS15f5j3NYjGMwlbUXzt3PV8_nVK.qrV11.FCcqJQv9tsfp1z8r4PRECT.uRqFYd727lkSBdDK9VEhOgZ.XALFNx52cKqUO.DSOa2YO7sGt3CVvRNlFu4AO.k.8zfJ2bESn69WfFqxETQWNKr5ewduWYO._dtg6u_3rfwRC_cb5cqGRotbpQwiAsNuXk8az62VUr6cfzIYnXFo3DrOPFYULRkBbkhkF1QlJMY7qdkHI2SYY6zE_Vp2Aj2F1_6lULBjDrfihh5k4QDqIHCddIqP62c0WmLqgtXevzi3wF5MZ.m90FXDKlOAQFdvxOt7FJDWgMVwQPwN0zlhOJ84utMe2pMIbko9wUDH6LnByrX.podIaq3FeuhaSCLv4rTRIdTetYG3RDAnCS2RH99HClcxkxFq8bKAH5GUPglsVO0aCkhyOD2O0yTjvBWsYiAYozRDKJsfmcqENBeYN2yu4dpS_FKVmBXfu5gEz7a0nvwNJHYMvHLAdy6hcCY_M2fAR_KFrNhxkwirenI8mWTcDkBj_QJ.h.nXfj7YHPvE1.6c.QAQQI7frWHAW02ozwHynn.lzSCrTfu0WQGJUfsNDOtHVgN.YSTULNUvtC3TWxQ3kX56FMVMpkz9I0bJzT6mXoBQw5xQ7zGvHXKVxuDfXXs6XGfI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83519ee14c592';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\/8906734521?__cf_chl_rt_tk=YcJ7KQJQIwoFDZvnVJuG39NTYuA5Jy0E6W_4fCbKh_s-1739149700-1.0.1.1-8G9hyLTelUW39r79vsiGh4J4yGapN8OV0Nex9zD3iko" + 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