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-303661914859.mit-edu.top",cType: 'managed',cRay: '90f7ea766ada0736',cH: '_tHM.UmH53YCHl1Rfxr5E_8qmqBwVdP3XVT3oiZJ_fk-1739146642-1.2.1.1-0dN6s2wNtSkSaGrVhiJGLtviZ9lHEc8qeXxTvDNYay2bsrjm_gkypr0bzzCvEQHD',cUPMDTk: "\/post\/1037589426?__cf_chl_tk=COm0E41Zs0m9CjD3ND80jyxigx7aHFBKZC_hHYDgvaY-1739146642-1.0.1.1-nlXSXs_thiEquOBZ8UhRT.a6rSz_gXRj0XqIjFrm_Ro",cFPWv: 'g',cITimeS: '1739146642',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1037589426?__cf_chl_f_tk=COm0E41Zs0m9CjD3ND80jyxigx7aHFBKZC_hHYDgvaY-1739146642-1.0.1.1-nlXSXs_thiEquOBZ8UhRT.a6rSz_gXRj0XqIjFrm_Ro",md: "ST89SyOYQ820os3oMCJZENDGbPHZLtcUuJfJlmTOWPo-1739146642-1.2.1.1-7SIrakiAm3tHz9pdmYjf2JRmqxS7UjC.KQXqagfqdNJime.pKYsL4pkaFtlhe0rUDQDVqyCv1IndP3eGscFaWcagkW7QuMDXGO4HgmzYCZaseIH7SiD0yPlfX2cuFkuxrLf.Z9fr4GPF1qJLAw4gizKD5H6qeg8BEoDF70O_u4ezcSLYWQnnmYW5xg9R.sAybbReB_OtZIWZX.3vMw3.AdFpe0cgvY0YO5HVxrg.Amcf08dd.anmers7w4fY42R8Ut8.BwGC1n_S5XO4RObC1pjwAY_0DmXGBfA4erWl7nxTRmM7nGbY1zNMav5jknZ5GYECBSNpesevSzWm7PQpHDontnJq1614_pccnh05aVOjWnpMSvc46F8SzXMCyzH3CYoum5PHIjB.n3KFx9I7DwVGJp8WitUiM8InfrqnGRRmbhp5yBNIaZoZyMZl3.E1rqLrT2_BBdex_o3gTwGcVGwcGk_YMryDl6BH9IhtC9042kXhjFT0PeoXycpgeEVWMaOkdr2ftA5uiwURmdqpuaTG4K3m__p94I6lN3pX6.6EG60SldL0_pVH351IajQ5wnIXiWskOrXlnafeXV7HZT1YTJszLElDF09Ovs4GtegaxfDiwCndfic6oZByzoWzfU6sSqTQ1S5BdLA6sft3y5WNZfLKZ5js2YybLQvfhL.efbzcaKiH66Qbl8TIrqsttP_g2lCvKa_NYD9OOiox_gqiwqSpCVPaMNQim603LoRqbjVnM7v2lQ9yhTYdTytmAqOBpsw2Au14VRxW3X8wrBjenErFLSiZVWtuKXwx_R5IUZHOMpm0vU.REQuRH4G9qFH2pXujNJOENmX9leNkxB1MpcEMi8taT4aO4JsKebLg.SmTbNMm6bYyGE19GZjOrZkFpuhV.GodEFX71iZ.IcmWifONcq89Lj4rSyoFpmrfmlHhnawIyxtOG4Ol11KI1er0YOOpOAxC1TZpf730TR_IsSLnpUOp7g2xNb0TGehn0N75TXv0GDmX03rL9eE2aWY1MMaguozLcUMztbXk089lYNjissMrAbYnzeY4HKrK1UzyRVm.mfpe2U1LNuaJ2u97gusMtWJEKhSove7yrEs9mU3CPLB0GtmFl3Ct4mn0EN.wYGTfXsCWD8cz3XfBFadPRCiUG_j4SDrYI_oI3fJS7t9pbwpvCTiFEcoz0ZVRkFDTS9ji3YQHaeo6XlIVfoz9mpRZbnMD9PVvn0yhvOOac7Krbu3aaozyuHHalb67Y3UhcYL0uhjZgPDI21Fm_ebs9amYosa2PhS7le4CEmT0bCD1e8Obf_geJpqmvu_MGlmrnvm22Z.CzUqS0RMR6opFMEhnKBH2czI0njMMj2zqz3FlXpuh.mY7sPK4ulWUQATMZctxSH.ZXlH75856v0TBZ3eLLkD34SsoN38QiHv..BK_YRHV5sBXypoykGUde_PgMEGME4nGdcGd7eFPkQpQDAawqVPTzSUscCwiUjuhsr44Mf9no9IdmDYv7qs8Velln64HRNHnuWGGtMLyePBHjOFaUpBAXwE_pLa5.dRrddvybWVj8sH_qXpy8Sukefr6mniYNBARtjfMtqAgKMoey5rDEKjRcZIJiGerT.XR5pTExBIX9XHQeWWJLWiU.yHyU992b203r2GiHEIIs5o.V0D5cp1tU7Fr26RtzVriu9PTy4US3RvM__k9oijOn_5CPGqnBS.uqTY20rK3Z4zyxPR7FvJMWPv5sxBqp9ozFxWFXC5lFd4iccpduf1n2KbvAojG8O6WvPItogvr7pSZcTxmN.7q3DroWECxK2uIewj7BUxWVUhxk3Mny1eHmkxku0fMj0atfQvRLhLO2TozOgjYl1U8qvelT6h3t6ffMSVRLhqFB2IfU4euezQ1g1EI1lCSSxSj2SjWDInL_.lorQ5ben5kPsfQcJKU7wP.0Fog9i3Uw9WhArhNc88SXDOQrvwnbb_i_UCKvAGBLwIHIjKk3rHbH90czEPqfoaASezQ7c9ko1qxbP9CzpVZ9z4BOsFpdfRGw_BG6AzPNmUCi3ShViZx4uZhaKmF.v9ZQHPbEsOO.SL.rfCKVRERdIFUc40jDUfySlhmUmAniNpJrXtLo8fbhXpkg9BfMvfkqaNZmJwaGztl.G3VblL1kAZBheMNjpAWv2BdBAavGqB06Yk1bMFllbyF9.udCtKNdjzGbudTkimlO92uCRIvdbBmFxbc6ct4hQjB3x9s",mdrd: "uT8WFK8X9bjqI93yGvNDcObSWF1lIPuZy_IbzQXyL0g-1739146642-1.2.1.1-5Eaasj_0L1AmcbqVs7CZPR4PWzYu8w7z2vEXPil0T5T6jZe91C2fK3jcrAQam7MtupUEuDSzhJtxEp6wlWCqbNnO6R5_MKPP_O6lIRO1s6_ILrUT10eI.CFHAyeq_80z5oMzBdbDBQvWpSCYm_h_TUzeIWh0JsD5pfIHos4MD0HWY5eou6F80J2u.bm3aN0gxl19y1BC9efNW8kTLdusbEnuVZ2US8yX.uSYj3qKu_193eRqg6foctIcV6e4eUN1HjPAOlpxXGLhhm1EKSzGcASF.5Pa1e9.qeChxWqnkm8baYIFw8RD.6bY7ajdrS8z..kxDt2pYEVQ6kKjNYgnMTCoxLujk5j6xsErekiF1uEW.pvC_x9t1BxkW5H.gVfLF6y0iWsqr3Nn07XUDAKvW1WudRfrPXzXOBoUh7XJuulwbzezH34_NJALfJktehk7ZDXORi0HnOyUqlkKcvVodtDCGmtd1UdW4UD6bp24S7koazFUgbiTsYNroclVqC7CSbLX1B76mYGWZF0r4dcp7k23wXgNYNz_h56fDHcqVR2_DVn4ZLHINWFRPt50HnH0VqXvwkW3e_MjGLOqtsgVB5EWvXc8nw2D4n9GItysOrCW1cdS3nmT5x6qmJdKxl76ZmormqkIm01L.V6PfAJ1bT0xfWBDRV8Bs3QOzKdcHgwYRB9KZZIec7LI8J_5oT7N5AMJ.2Wag9EQqeqDrceMD2G8AAvaOvPA4E41HDZ3kdmVdHRuFw5n81qvWjUaTnE3dOPrI5WZ26gRwlqJJqna1rDxjYViUVGfbAkLzURNZ.iHybvLDKQRpuQlOm6oPDVvlkkwyKbxrn3mUtZVRCqsZk425UCnuGa0rXXr97oJ1XHlEUwI7u4wTb8_EH70tetjqVjUC6NlJeS00.5sasBe7raJQbROlOTSKbzjjzo85Ct3LmGGy9uBP1jA4jLTcqqFu6sYC5LFhGJNsQIzz9CTNYMOubIDNnkxP.AM3wiW53dnfjKLqI4VtcxLs4NXoZ4PyE2601urQbLZYIKt0PaQ_atZSlK0zXdEjPBEIyo5Ns2EGowM7PDyHa2q_JJ6GPJcUd5WFdOG6gkKJkJf4g6R0edOFjbmBxJfrcRITCqcSyLw7PXuY7azcxY6q1JELUox8fQd9A8EYOV8vHs159N3S4vJLYoYPbOCehqgJnZMU_7mBpgwhbA0vKCKTuXEOl_0PpPR6Jwt4ORHPFQsOnZAxuz47jbsardxVLZis2ojAwBtQpQ1bxOvhcyme6SawP8UZga1fgs_5uN6XMsZGZvNbgi2ZSNc308xKTsGS_7FvXTfXz.9aIqBQgw6gKE0.Fy0vrekv4S75U7lpwJrzizHYgi3bHUsdiRbN_LJLwAFkvsR5N1ZtUHFMHJIbGBiWngrFZQSML9Rx1P1sJLvyT.BAoaEKxSLKey_Pe5zLc3w4SGcL08lIDjA9iEsRA07SHPLzNh4j1V.HKllyzMiuP.__DYNykEAwfQIpIl_EwLjIO7P55DuWq.iiAU8qFVxIUOYrX1ZjKNLzwUllho2b8vzfSxbw5A9MmFCS468KeGFLFsw7Nivwxpw2Irw.PtPSFDf96puEEljnrqpEo2gcsNgFSGVRo8Z_avV1ST.4CRH49p_LXeHFHZvQkD6tVqR7obkz9cYcz7lqPJQ.lBpcVPCekHZqLV1UfFOMZPeK3WjsR.GKOfU7vJ4_iqyMNQ9zD.irJAc6QB40uqatX_WcMkY38ZaUgfyPXke68GdLNO3MLR3Cn9QIQv1.lugPsbUee2zgB6Q5a61xlUD_rjeMNRGyA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ea766ada0736';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\/1037589426?__cf_chl_rt_tk=COm0E41Zs0m9CjD3ND80jyxigx7aHFBKZC_hHYDgvaY-1739146642-1.0.1.1-nlXSXs_thiEquOBZ8UhRT.a6rSz_gXRj0XqIjFrm_Ro" + 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