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-194829028761.mit-edu.top",cType: 'managed',cRay: '911044e21d1d3b74',cH: '3C_dyKikQeh7WYMyHhe4XR6Hgx3fYFjd2GKckyn0zcQ-1739402004-1.2.1.1-FBbLjGKzCbQ8KGNyM1YQbh1uL4hltmZD8Lku8nIz4ISp7qfh66JDbzxh2dXBtwre',cUPMDTk: "\/post\/2658734190?__cf_chl_tk=9KJtVsa3l0qPa959Az6F3zH7lMnUGGj39hVxzLKfF0Y-1739402004-1.0.1.1-pARn7bHvK7x8eVW4EmSge.BZju1e0wpyoO48oe6UsX4",cFPWv: 'b',cITimeS: '1739402004',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2658734190?__cf_chl_f_tk=9KJtVsa3l0qPa959Az6F3zH7lMnUGGj39hVxzLKfF0Y-1739402004-1.0.1.1-pARn7bHvK7x8eVW4EmSge.BZju1e0wpyoO48oe6UsX4",md: "Og8j.1hTLhCgbkpZHK_YvfEm.BpBr9.kJY6IuNOqYd0-1739402004-1.2.1.1-AyCnpmVCTWFCc.LTGMj5QgJ2XbSNp9tvW3X_yK1dAv4uK2Tha6Yw5_AxxwfGa_X2GSWkJiK.B9bVZyUowdlkARBRNP2sQ3BVcTM4KTQ_oBEVqWEy4_6U8ChYN6xMu7KpuMyQdVRE_2uMJ48m1hZDdLRHjOc2kpgwjRkEzzkRYHhkFivCW99eVkKbU7eyaUvKMXcly1rDLUcRg3oBIcxUXg6I0Ok_nsJeaAe1DfiG_USwFlbajecFNtrtx_3P1nZXHIbXLdS8GKgBhhduIh2BbgFeSk41etxzVu329Di4WephxWqtmRKO2fdiSQlGooDyuWvBqdLCGFKPI.gqc1Hmn6jUPFhpr5ySeufOquIJJlHZWhqAYgtkZ1_SyQalGnrR8taXZXw7L47wBLWxkjHR0X6csaCWz57QBO_.Sz.Vt.kAD1iOwK5xGmrOvBKRQmTfir33wu_WBnCzsmfZZIiEB4KNgSKYLb.doSN0Hk8iGq5YnIi4AcZHSww55y9h1pHZ4NspKa5V29OjRg.feuZeugLE5Kap.7_YE9H7JfT67hT2hH9DO2ilubHoD1CQW1EDzjhucZWrE_hFIDf3mMf5x8fTSvGG_gIxiH3D37Xg407GCOEwfMrA80Z7yXplQpzLTiZKmCDhhWPByjxBzkjJNwbJvStafggYpQXU9sad2A3.Ix_zBIJzIs7VPbQufMd4h7NwXbnvQTOJfWYwg6LOJCXO6L7G781F4a_BYeHT70bNA2I.BJBTh_I2hAYu94ZKxTEO9LnbQSqfnGNBm25RT8NoCrFdyzQe_ojvH5zO7mrsk5pQ.PsvjRpOhLvRh1PLskNQyskI39WAIh7DsMbWD.ogLz0CREQCng34bgbwPzayw9sznc_zu9MbmcptQRqnqrDrkMbh.kIOIxervZD7Rbj_tI4OlnYiHoC0Qb6FKPVw1n336Lx47kxwH1M6MJ9qOTIBBNDWdZuELD9WEUnow1logdHyzxEGatmmyVbWGl7gVNx5v6aVAdVDShBONNIgLJfg8Gzc3oefyktLiQmVgEg7RU.MKhmBM3FBPjQtxsiLEV4SzM1jLN.gBPM94kI3Gdrh5shMQ54JLmUckM0mh3LfRPljQmSjiyarKFqIX4Hah3WUvZ8CdH1b0TljObwcBIRAPH0lcQCSwxPs5ao41oIJ0BM51NejsAKnHVYGY.rdIFwYjHZ5IVyrliw4DCudGKGdDk5bHbbHCXswNQX9ryHIi7ATep8RxmgV_b_SI8KOj..k0N7cy1mIzPJKbvMaYyTw3x2KcGUgHd53RdpLRmQyFDpFDsdLmuoUgOw2t8GPWU0WlP9SUjKe07yAkchjWENGiGQ1DosimYH4y2yN09N.t_CuSN4HszAPRmuGHUUj8Myq9oQ5mbSKh5Xk53MT4PihnSGs5OV1Qu.XYcJp3i2uM31xfW8vpN6HxMphF.4C4ZtsXxGJKgjfHFq2oJHpxflnyvNrACS_s3gBwlswek7qCNdhhdcv7TRNGkrnIapNdduE8BXq_nFF9y6B35ogk.hAawzeppSMlCcPSC8V4qDwchrNFmZcRt7ryXOAHQw1Qv8BFwej3Atdg9SEv42OanOctPo6GhEnCGIxP_9GyEg9rFtwPlyAZhl4w3Ka7djA.2HQxrHGszpK9KdkBDfS20mSdboUdm1m57pQxSX0YjS9RC0P.M3oxKuK_GouOOG0E38TX6JnLqJJQdvZJUZ0FGjxvcjWlv8ArreCJ0xwGpdBX5h8yd_06wum.NNMU05KZf3A7wROY0q6MDQR4UtZPuxNwO63P38DrYG08ywVMp.ynpxVGwUMrSk3XNGZEDDtlZiS7NDjKXS79Z42xM8MGHG__1VsfzRJ4TpO_glxhb_Dh7N6Re_q3ap0KpSUltohBrCxMYrGCyPQQr6HWRJhLroecuksIkJbt7ZBF9Dqwlm7a1dCA19_SHwds7tMLVbhx1KuQSBXqGAKz4UqDJxACa9j6j0zTnln3lBL0XVy.53pH7SInbzneLbZeXAx143uixpp9qsEd47vQtGBhddX4V3YRgX7D9mpYlUzgSwVYTuHVHQfoGzNKQDSjA6eAAx0F.wwAc.ogm98.H_xkRnRWcfub_lKUU.ECpz8Owvh1gPWf7Btg_X_w5KeA3njAibC47YTP6a9lbt3FGkJ5811dprYi_z65R05EG2ie3JLyrOKu3E.2mh5YC0fhvljmeWYENyOXkK.rY30xA_qydZ_",mdrd: "uCFdgV.Q0mA18Fh.TYjnRtlimh1JZsgDf8CF0eVFllQ-1739402004-1.2.1.1-N6hDlP2xaYdqEPDMdhbdv.7k8Hms.l37aBkUwiryYayrMqjQvE85X.Iq7yolh4oL3nJrbk1GdzApMKEBXowRkDHfI8Gt6gf3y9GcHFnGSSqArAt9Foaex2MiC_WfhYl0nU8N2v8NrxRqsSO0n_.zA78JzeAazIMR9BxO02I7tjkW4G5Z3wO8WiNC91Mh20pLMHj2uaXwX_9zLZ.QrWBbNM_Du2mMCyKxXJa_36jqaZabbV4JO.hjxxT5xc2XdgkfEESQaBd0aQfwOfWFUNIUR6avGfzWmw6ZTQmQyc5j.y4h0JAmlFThgZTA2ZCzOPjRIJ_75Yaem5NBL7_tOSBtmxPW3J2ojDn0MwzILnwgpoBwlgtfvyP4mI.7eGUCleV0bGjAqs9o.8PCmdHYuwjBwDhD8wberwOC2V4hCjN06jhsuYV9wA4OLZqplTqkPD3i78RByVOPaiddfD5IJBJ1i3lYEst4I_TeJ2eroNFk_XGE9nVXblpuxsdmncyJ0hJ967QjTMu1IADCwMCW.b19QSe3Wk.ICusuZyVncFugYZs5KX6Fe_peV3A6hSJdtriEisXbfq0DEXG3dqBXTH.3GJD609IhsWRfNVOJi1mgZ6IS70x7UiUBnkGlLm2vPcDUdfffH_U1mpUPedkKWuHE.xCdpWQkhUVPI_2OytZcZ_meYPqvdftG2kmvLc9iMKEG_nX.jTybrIkguof4ftKfUf18PKSbErXymgsqbCkOf5QwVXMBRllTyoDPvlu4wzW6qQVlvXCWKRYgw2B1mgc.PzUyfrwwE4l_aniOwOs9HRBBBZsLUQY.N6qFXHRkx7N_iEKBwWljwtY615eGA0MMOcFDaA7N3Sp_Pc_rXoQ_05E2akFoFlefvpjdafCoLX0ZmnNkr7NMCrke6fb0Z0i1JNdw4DTu4vAxKOQA5EjXZy9UopBc4oxECb6Mxl2iVhFruTaM3YX.U_ikRX2efk4dwnSKoD1nMekJ0Z7rZwlO0.ozeW9WOdllI4LHloVV_Wy_3fWWVDdgHmEonZnuKmPUalxQlgfJcI90nJxHh5q4fBY3TJLII9uuKVaQXtVujFtzYidsAuCYz1NAzn6pqb0usiNN.KNswtMea6ZB2NS8VyLEQo61vYO4locVGG1xwKk2Onc1P61_dCZ1TT26Rp_i4lY5zRYMgjd80N8H_7eLlggWHg_l51VIof_h750CcUHxlCb4ih40t43TSIPBF5xDDehVLqViESZtq95TcNVFU6JdNeynuNUVzghqLkwkbml3mWbeyGmlo2MgE9Z9l0HRBNlszo5dmk31Lb.fbJ.3f.kKhBB59MWRuEGT62cejlOvUXNABNjfF43RIWEwlxPe3_nmc3UFiFELJDN2SgcUwmNGG4A_wiq9JKKd1Jy9v8AFap4Om6208lU3z9P.BY2lzXx1WQzTDpVHJ3EK.QNkuPcKr5M3G_PrXa0PleVVCB81F3HOwhGLhsqqcfqhEuf9TxuiJxogTn9lfeprc77FdUYnC5zpqRaBzJgcql4AQOV54GfFW8HE9fc5WgrQNgiubozWbautEsM59AHAWgk33tKZ2B22ffg10FPNjs3ZymPFViFtuekOngRMqUj0SI_bdUFre7oqHF7z3dPZnmvybK1OerDT.cQf2juglyvxE09.nZICfttsrb8EDirdST5BO9n_LqK4DOBWIQ1ia4Nb.hufBb8GZFf_r7w2EbKN8MChjbhRJaUiASC9lprK9Ig0MljRoZ0J.0eRvugD6X8gqGRVfsWSjwe8zVgyPVGzEkJgS5h0gaad1Xl34efGeD41aXhQ9C57Mkv1pblYc06ON.Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911044e21d1d3b74';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\/2658734190?__cf_chl_rt_tk=9KJtVsa3l0qPa959Az6F3zH7lMnUGGj39hVxzLKfF0Y-1739402004-1.0.1.1-pARn7bHvK7x8eVW4EmSge.BZju1e0wpyoO48oe6UsX4" + 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
