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-723215204378.mit-edu.top",cType: 'managed',cRay: '90f81abb6a4382c2',cH: 'mdyC01s._j9AILfUdj13Nu3Z1utWrAzpBkyFVqvqKkw-1739148620-1.2.1.1-pLvA6FvLdFNfsgfGZWNLotkov6IECl0qvrVDSrW8bAWUyOcsc_7twtyARyEqvIrO',cUPMDTk: "\/post\/5209864137?__cf_chl_tk=GSj3NkyaN5rfpwldTsft5h7EcbzCR5OiqtuEnKNSW9o-1739148620-1.0.1.1-KHHSLjDWkToNBQdU4bwV72fEiyVd5gdi2oKjCz6GPo8",cFPWv: 'g',cITimeS: '1739148620',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5209864137?__cf_chl_f_tk=GSj3NkyaN5rfpwldTsft5h7EcbzCR5OiqtuEnKNSW9o-1739148620-1.0.1.1-KHHSLjDWkToNBQdU4bwV72fEiyVd5gdi2oKjCz6GPo8",md: "BCnI4CdamAOIaXzGoarZDRbFqfenfnFqvChfKeU3oQE-1739148620-1.2.1.1-0qi5xo0HbBcbAHE0CCN2jRNkSUtBf2fW7TpM5VEu4zLxD999q9BsS9Q5aTZlvWWkhCZBf1j.nzI3Yqf5xPx3VRkUnd0CdNe6oeGC.S1XBN3tt87mYdJS3w8dfN2jDEG8WsvPWWy3LbUZTlsid0W77DPTi0UbAmQnvNL9YANGX3e40G8p9uegTdObFJNdTDWtjNEAF7AJw1kAV3ByAV5m2koBMBFV5TzVoZI5jDInJ89gvt5mGP8cKJ7wbSzAHUgff7nOndza9ZNAJNedZHq4odhYmZaacUR1VMVesrWtay7vUxwQVNiOytl4g4Bjeh5NBN6Fa87f1dwCYwSnuNTr2Zk9JexXHFaZdykBn8YZY1Rls7DJvOluqFNfNegXLCZKDSQXpIy8U3vlWyJD9zdRa3Hj1mjGzMj.ISrFPerGUx7.hXC4ySnn1LVbtTYrl0MHCP2qV4Gk4xSny3FPKT6cXCUQM0CjKDCJ.avoeui6oPIvhr_SUipT9AwDNBum_jj_2_nsDsRpzzsyXig69VE0zUw4wOv9FEUNpQ7yoezWDmJxL4G7jZANWf5J9M6LaDzgkDpUIcUNpTktjBD7vEuEtRdYEzzA2Cq8j.40OoIa7npNr4Rn2jz2C60tP2kQpH_AmIhkshd9YgaU70FJyH8t1UV1GMTQhzZKbLBxlo4qmwuIVK67YybMIrAy4.qoMTvYffVZwbpkNYiMvhLp.QbAz9sUH1XtarXJyRFqqyJDa.lLXPZ0.Gtpz5bcpxEtuVWB407TcROsPyQK.43ksIU1XZyffibvsrnHrnGWAvCuzpoU.hXxbVKaRLkWtacGGD8z8gH0gyV9nbPpGKVFcC.kjOLQxyPXt0kxVuaxQTMtHtK_oocJHgX4jY4z3c9e2nkyJPCCGHHOsZ0C1RHpxqlgCzuM8Tr4a2_nA5sOmAEZ43mwIYpqWiF_4_B2sGkL25jKt9twFENPjMxq.bRloVAbaitZCHSBHZyrYMP6EoxIaEHXfK3gwCV9ZpbzhCEbyPYknpjF8rhWlkYdjRTd5ZrtEN398McSfBmT64qgHyxS5MdglUlRsxZPeMZd.Bls0kn5ziTRL3XccrGbwd2EWMugo.vGM5xOQ3C2p332ORK3z.BzrtBq.LfBp_kBzYkYq7VSlHw77yc5vlQgqHW6PlEO3thgaEX2PvX1R9ZqCQuuFSHUzSiN7QcYa9b5OQGMcXnmydT56r6embL6hHjyAZxpRoBcpAfIyL0ec8U8kcZe.75pQSU2Tzhbg3.Mab6..tkCmxBwEAd67Bi1IV8ctCAioPqnxZLNQ4oglF5g9b.EWqnUC8SESvEbPRWwyepIVm00W6pEXhdlq.ld6pNbDPvc6G6vqYkUHPg4BsIE3qdq6CX_u4gXVXihBKrdbqMEdp5Cg_3cHOW_MZ02DzMtNvyqWdSPdh.NzkIyJUBf2IJtJvY_GteAL.mTVJFUlfW4vPtxZsXniIrfnz_GIFfWCQF_5eWOduyAp5UZBW263LINoOELDCD3aAcDcJYy3ziDNKHO5_BqC5.NbgWWEW5xo1JFEO_Pdwn7qNN4rjKLSVVn6R23wVZ_sfF7mVqXbVS.q48m8hOnzXHrEawiTVDlQE52RV84rqiR0qwg3VqJq21wuPwapn3T9MYTFLKkTk8wnil6B6Y3IlcfM3zXiSGkGFtx7rP7jn.uZLGoYE_WMzINqRkFSxxj31ybpasARBo.4snpWOKkW9H4barmaYPbZRXKe1bDEALCepJmMBHcoiCPK4aY16d2pKbX0VGhtwHI085npYxcUOrm9UO9hZOJCy7ZJjls1080welu8ObuVY3qBANOU4IebiKEBpUVgJc96cgRjroCLl7ZFCNXDtHjv0_khc0cCx3jLmV8NpCPXFhPEW8NE_YZsaIMZwYKA0d7G.E5IXwcB3zed7cC3ZjyAhlD0UAmJS9xWlVB22ho6O792PfeFh6JAniTkbMxuhSSpbrnT3es.igRKU_FLWMeByFAHU5vFqcBrz17Mh993KPYdXiu8sBx00GOrB_kC_vxhsPitBpctJTxouyUmrfyIlq.j00pvCxpykkRX.mnxL0sDruD3H_EH89sgeVpx25TtxPDEDHNmAtn3gk9TSAUlMjFrE5UHUaEb0MnvJxovOR0TX7k4fTjxgi5_v2JRjIYf2_Qr.yktbtOKZbE56Ud7kb.IVCozDqr4w9Ii3wBLZJcvD.Wx1tzkADnyn898lH7EUN1",mdrd: "754VRf9805OixhukQ._NkL38iVZGasluPZ9qNKmlvL4-1739148620-1.2.1.1-h2fwvh8kNTRxR4S_myYXlSMLcIQC8LJ2Jtfl00meNZRpAxoJemcs73R0Y5REWc6DQs108z_qtKVwYvtFcH4t8KaGNk84J5jnhlCcLRWCU0OAwQhC5c0dvws0LVPi7Z9kJUex2PLQ9X8vcFu9LbpFNTEVQ2_DdPnaCFSvg_XJ05D3SS6nAzhzUgw1hz2Iz.5N.dIYNRBKBAryfPeLXCOq0OspbOrRscxJ05SSJzL2JSrV2m9UYahq8dCxojAx8jnntieEzbzVS8f5gdRbtTSR4e.O8X8gwfsloJtRqqDzBWe11jr3URXVclnd6j5HCdX7eJs1CQqKdYC9kXwJIFRIaMFMxtOZeWRyy1nuWnbEAqgP2qB65yYS4ad.Q08v.2Ecm0QLBLjg_cvCznFErqK8OMUIaJPT.7LuPjvQXaF8mUhoYPOXDM0ZZKcQrC7VI8CIU5hKmSkir_DqA7.fPMfZTcpp4q14NPa2U7Y2W6nI_UyEulrG3HKKOI69QbihqaIBS3.jc.sBw9SR8sMTNvalJHqrbQ6_sckcNgLAWXmCBMOQ9T8vZiBK22gzJ85OODVH9Sw0.EHirrkhWPmtdd0dvDo4gUotjijwi7RKW0D_7stTFSOvCQzJW_m9aQz_1KeDIZmi4RWV9QPhtCU9_nEpFmB1qsF.G1aKiNucndX3eNr6MSijCieiPiMcDTMigKq00Yudav_WnHddjyb5LIiFMUPPxukWHjhgUtKc9XmbbWMnq13TXu0ZWyASz.o5SntsuS4ia2xQ_hpBuCA3Z3OtEMOO4CtmV5TclYtSQsOXF0m9nNU2wYhxEwTgZoXJDYKu8pGjn30ZiIuuJ0wZk4XIM8cqUe0AURPb2v32FaBCjVT_4B4DdxUXt6tJaNCVotrc.s0G7rvUYaRalupUEwsca0hT_lpim1UWpzaIYEPD4ybAPLjPvyu7rjM0Ur4AAW4WPU9GXKWPOpX27SNNWcTm08pfi3scUjJAp8AObWU8wxVdGuwquHA99IHxqy97FvF32MRVKRkoTq6B4I7bfuIXQUHpb6ABHYq3jTfsJrxOkuhVZQn.6FV7u86TJhWcS.1GaZ7KQGbexDUdivXxY.ChKNC0E.xfkCG7wqEROQQ42KQU8aPdEFVpajueuQzz6sEFXpPcvxxwm.3Y0cRPyGuYZfijTgBdbU.t1Q6GxBcaxTzvSVrSKM6AhZaK0rO9V5UmxayAyn4_GfZrDSVitqwn18ridYqaPLkUOV8il0UhAZ1a8lNP5rRg1mUtRcDejtPZ0SuKODLY4YmpRiQfh.lGaBcK0eifSgKqfjWfX4cllOmTzA6qxeWZJwQIL_b6VGIIqg_ArLpVzrYLmSvJ4l2Ue0I373InU2tlzmSehxoMw7DoqZ2PQRV29DJGrXCn5_QN5DI3c8GN9OnRO0M9.gFuHtTuw26lUXef42tf4rFz_Ud0AEuINj_RSWso6QI9VFablDN1Thnt1cfJ0K_u_v62ZV9QO..bdxsbx8aNU0zcY8wLxQVPl5ZKNQq75e7jp0uooN4wjDdw7JWuDpKrSOq63XGinzZu4N6DFXHcFE37iNvEx0T0s7b4FRPHv2VnbCK_24f2IiQpHNDHQcjND2wMhqh6bE.Qb9hg_n4JlAog5vU6zL9cPRTbY6xERLyFmgSqJt44tOfT0KvabbUvOiTRgMoGTdSzULYSo_xX9zdDwhmUViKw.sN1F0EsIQO9q3CK3a0s4WepUWk2LsGd5JMesFSVCfSMNNiEfcPntIfg9J7A1gV7t08jTHq..RCSdc2fIMTkAQ6dDLyUqfV5kb2Gmoi0v7Q8ztdf9xHkd983SUo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81abb6a4382c2';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\/5209864137?__cf_chl_rt_tk=GSj3NkyaN5rfpwldTsft5h7EcbzCR5OiqtuEnKNSW9o-1739148620-1.0.1.1-KHHSLjDWkToNBQdU4bwV72fEiyVd5gdi2oKjCz6GPo8" + 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