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-801007429584.mit-edu.top",cType: 'managed',cRay: '90fadebdfef1073f',cH: 'gN9rY.wkJhTG6iD_vpTMGzvzZGK15P9YDnXpzVesw9o-1739177620-1.2.1.1-KIL9rEXIy81cK6n0vV2TD_pmPKnlUyQR2seSXIhX_FUh1SWj3piJjD4E8MDH7WOb',cUPMDTk: "\/post\/7041539628?__cf_chl_tk=KPaYBLJgPGTXsj.XPZoUnR.N7dn4cwEw9AcUy22RLBE-1739177620-1.0.1.1-bBaitnD2SJFzUTPuy957EYnAhWdWxnnVKlnfS0CrjCM",cFPWv: 'g',cITimeS: '1739177620',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7041539628?__cf_chl_f_tk=KPaYBLJgPGTXsj.XPZoUnR.N7dn4cwEw9AcUy22RLBE-1739177620-1.0.1.1-bBaitnD2SJFzUTPuy957EYnAhWdWxnnVKlnfS0CrjCM",md: ".PLmQ_jvNwTYYgwdQ6ThauaU6Q9fWDiDdObPEXrWgMk-1739177620-1.2.1.1-1D5BBo4evOS2kmqg.grZFkfK2263qJXWSV.stGMyyeS49fOQWkwMTmZhma3LFKrMCHbh6FATZaSTZ19fT87mOqgCxqimDvRImVP5l1Ip7t5fIrWmCP45B96gbu0tvnM0ADRc5AYR3DrU8dXWOZWMCr4LdXcD34JTT469xjB0bSdVqY6HQg3e3MvlqYPJA9ZZ2.KhNjJCS_6tfkddhaIVott51U0KCLOKj57fPiDintLp_ZljsOpYY4PNDS0DC1CwjU6prEWy7oshkzB99THKIyOzOlUkb0fZulXI_GQ3Sfnp1YOgsdwR6Blkpb4oTaWpeU1fSIFuWoSriHCKmhf8A355ixIgMyx7sKYLcEwb8NNpap0X1HNcIJIT6YcW2o8ubWZKYlouesBEuPMkrjn1oD0CotOH72XKxphvwFpSKIJYccuEtHn6h2WJQ.qh1fb2hDu3ADqOiY756XPMEdvEtA.fQ7J6A.nAK13NNBII3IesuPNSX_OsWSai8hV0CPI44Nj5AG2j.DEPpoSuChQmFtk54mH7o7.nbdLmpON2EDQTTqU.ZkK8QhTgmPaSpVVcRTH9kXuLj8FYkDgEXCpofs1B0RiHxAXcxRtsVcEJ0dCMGpxDUMqbIKxq_PcMSmmZAA1k9P4Rba54LQJA6.KjARIuGpN7hBTVfKS_50eLcIuJdcNZipokVA5XUe6eQdzxErlRHUJ1fFbnUus1eHZrhmB9TjMp02YjRt.hDBYxW0jiN176BXAwgAk5gGdmpadBexHGkUhJ9Ex0na67plFaOOOQj9yxy2s_oWlRb4YUtFmIqbnHVswr8HjpTfk1JB.mL6HEQHLq2TvCchGpu305aLBbGiua_a3YnaEls5Ydw_ZtTTMGE8DHprPhkcah6aiHUB_TOxfsECUwfURDYFK77QtZeWxZX2BFr39i1Ee0ej99FVjycpzyKGYhYm_FVRKMw6tTjbtz0dUyBUJ.QIU69juHlf9zeVt61yFnailyQVSbeGchgvam2iX3flD6AnEE83RtP2JMIwXw5.WO5iCqMh3h_ApMSEjE4eDcW1WsrzjxrEVpju.su3gXA8esY.e6kjr4W6r.y6IYLhDNJbYRH9hFJLSY_5Ixu6V.vF41lKPtwRZfsJUisgRuak3OETOnB4LPek13T9me3.Lg4DHXOyBmgCwrv4lvV_AOZfnIJligwuDuJh.W4RMkMTly5bbpV8cx2S21RLdYsyN.KzH8tQU6psq2AcZ4vjB2Xse.e67.qp0wSj1A8Gt3euPaXqqB_WFE40d9_wkctPTBE0j1dqmKj_rs4w08rkyHDpX6ZNqCVsB6Jwk7A3JB6Mg9ycdHXpfz2SKJ4mqO1xv5qfsgM.FWxyd.XSDzCg_q0BU4NB0lMuCYjhaTGk1SJ4TMQF45qtq5XEFbP8CFhMVukaM.XrA3mdGflxDDnKa_PdcgMExmGdTKGSQwlM7XNAx_X3hATtAfR9nbk8Wmlf4VrTRIT_qlHvIyh8x43iR3sC5V.EecaPnvsUezy1P67oPB9DH2.UyzQJppMm0Ql23tCqGYn_CtK0t1w6RLTNEevagDMvDyXLTyVx4G8qsAK9mSqrMWdZGhAVa8SSjfwf8yx4CZFskY8..aa8a7eQ80DqYtM7PAMWE8RWaO_11PoxJbnpEN705jmmxiM_7yoL4Nx9HtvLp1uPncK.rHiO2_81d9VdPFYtvwpgOLG60uKRfzIwkCzba4rFSfqS7hulQHpTzUtxvZQWldAHwlPdGodU9d57FCG9mCj2VeQpDYvwQafw8BcOUjIJ1_jweLenhhhtqon.E972B2f0FLlo6oHa9JSzcGLftFbKqx3P4tq_S9KrKvljFpcNVRvjbR_.59wLlHTn2HJdFGOFzmlEiftBsJohX878imLpbY5IhqluTToigG0A5cy4bu_MQdJqeYYxwLRbIoAEmw3rFfInTbU7DH_5umK95cnDN56pnvXD.Uf4qkMrEIZkyX9Gnc8GAv5OqNFNr50USUGF_v2YVXEFo.TMkwj0bGIO1HX06Fk.LnuLzax23SLOqIRtWbY_vBZjAryXLlpat_RE62UXRKpm3l0IX3QzpMqWAKK19V5cggkxyBUKweyw.JyHqPJQ5iB4CttLZMl8DfuUkGZQJFWbjMB2dNTbs1D0wfoxRvPNnar59ddfs6B8CBdS7Yst8InWtsJD6gPnCYxW7LeQMiKOOoKN8PVvq1bZ_P0.gcdjTpgfjQ",mdrd: "GZxKxmAzR6euUJ9aRSbC_ypI2UpIqq6OWyn4YY8yKrw-1739177620-1.2.1.1-arhjIPNZaG4pO76Zqh8I9PV0Z3mxxVuPtT5zF.SdQpt3drrtWKors0b.bTqE0Dt7kRnyJ0.s6kd4Hm7LMF3ulW2nR2fxmUTjtpA_4ps_1k0.xk4wN8IJslamCwcRkkP3IgefT7TN5Av6CU75KKpW2G2tWaWLygrJWUVNF0kD0nloEU7LVbY5W3wIHonrJ2hj6.hSxTLk0DyrpZXW1LD7uf373ndW4dniyBia1PxVXGWpMUztz50Ix.FO.C6Dzbd7BsQbtSTiHeUa6RkuG36Kfy3hxErdh3WGfoOQtngzlLa1eVz3EL.ARdVtwHGD1_JlwOhUQyAVVdOxJv.roUxvDZgBC3PhyJLRB.wCHval62GVHqHYt5rXh8wf4V4mIPfaUoORWOuG6jY2ZPyeG.AlHzV7ux6Ta0x3LuABwWOiAAD0soZLEQQtHa24ezxASRCxII08MFYv9Zk.7y1ESRVAEnOF8syWDHaRY2BtuHSITSuBtJlOyiBZnlD6xQPvcy171jUn1GY3eQt3tUV4_0RpHWceLjkzgMJO_AxEBGgpTsFhpcLqjOlJLA6MkKrSo6jTgflpoB8jOS.abAz5eoB.C39Bk8mxvVBQoBWJ.CNSj_XP9vt_8YFd96lPnuMGNu57tUNCL_JP_9OKtsYxutaIWkxGTIeNUF2CXFs.nEtEHw_ls5YQ7lcIvsjz16TQBohWRaolWYA8VH_.03Xf2GXIgsyGxAjw7PswO4430q6lcHIQQ1K1LdsPMj2afWK_1pFZEQCPJaXX56LOKj0cZwsmkbNSxqqppw7HEfCmK9RRGCKFV3pnUYmJEDIfqnh__gE8dusTkOMyN2qiu_0SxRwGkyFq64ORvDUXMmpNsx0BX_8QOq2Kd4osfEv13W0R4LMqiccLyFbjtdx6WVbEt5_qQ9egBpTIMBGxGTdSoLYbuKyc.DhkdZfgrexzagLgLxKBqMRCS7oBhSidZUKe72O1aygmetNeF.4EGwcQ.lar6LwbLKLjtxG6kymaBVWs9Ed_pJHpZg0BVlttC4ni5nt3cWXBE0dWmEz24ejiaG.nkJac8Tl4pYhGsx8VTzNY_Ym8BvYI1FY_FthAIsAplX4vdUTZPex8WRdiHExoRC42vJMszwOZlsxLEw9D99YI0MXR1Oxig8xeiTdIo3FY7a.hS9YCOGH_hxDkwkKvxSHLZJm9LzXCMw7bxrQVxp3CPNgx4ugLpEfgKw08mRbNPEdiiDuV31casTeuhUlBWfxlzFqos9C6O76g8JEJa5wtKvdGrfz6URjbi6lF7SUWX0LiUT2ZqdJClx6MzsIKoYLlIywkXlRA295VP95R1hVxSCj42mUYzTuFRVbhMynxYIRppgno9j9PgCBiYEgYcX4Auddvw7o3RxDQfEwTAVIVG44hMq8EsEc0BlhwXiUgEoTL66EmfiqDBgTbDIk_dnDGEVgFA_mkAT7sGH.1YAML3Tq11iN8A__jRJNFjW9ZGAKIs618_oMHPt4Cn6kPGBjIgEfVcgAn3PegQ8DtpIyKQFLqU0z746RzwA9Dh9gm1Ea6kvIVTvq8zYXQmw5ZltdiNJCGgbZ11OyxSiP7qFHNHTLr0c1BqhcKixKeHl9XOHwqs9JF.buGhjk4.fczEZaRfzpkv1dlPBnF73Y5ljX4olh7CznnUZKllNPrPB6hoe9KhcMy7jRK.738vdTlJSFqOuaePqXmT2QCSocb0BTWaPIGQu1IxSuW7UOQkhCxTywd8nr21Jb4.zEbC0sO88Vy7YAfyfTfhgUhsV_GqgFus_TMEkRNqyvB532GRwOYj._x7Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fadebdfef1073f';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\/7041539628?__cf_chl_rt_tk=KPaYBLJgPGTXsj.XPZoUnR.N7dn4cwEw9AcUy22RLBE-1739177620-1.0.1.1-bBaitnD2SJFzUTPuy957EYnAhWdWxnnVKlnfS0CrjCM" + 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