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-001247751365.mit-edu.top",cType: 'managed',cRay: '9107b0e91abd064c',cH: '9MLYO0vCQfrP6xBudfFFbsc6IaMLNWE._1RIEaAlwUM-1739312057-1.2.1.1-uWJb9HnVq.GeQMIaKnynOoFHZNuV4QapIvmrHr.6n8Sa2Hznc30DVjFJnv0yNpjM',cUPMDTk: "\/post\/5861023749?__cf_chl_tk=2lSRcpgMSMEe5Y0u.OhujMqv5IT4qFI_jqHulSO7Onc-1739312057-1.0.1.1-PBZdC4jHOovXqw6evvWR0EGT1.mUtLna3qg_zFtvoPM",cFPWv: 'g',cITimeS: '1739312057',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5861023749?__cf_chl_f_tk=2lSRcpgMSMEe5Y0u.OhujMqv5IT4qFI_jqHulSO7Onc-1739312057-1.0.1.1-PBZdC4jHOovXqw6evvWR0EGT1.mUtLna3qg_zFtvoPM",md: "uUZ18YelujO6MLg6tWJI4AK9ttgohx70Q8IN6LcfwM8-1739312057-1.2.1.1-C_ApwPfUkL3h6_bJY2ux7Oji6J2BnVPhTnrRoWzCGWCx3GApwZAPMOXACS_y6xjRnITO4WU6sphKHhk50DyWdJfSe.u2gdjKsxbXDBMUCBnrArcg31UTiuoUGAZEmnBwIP7aN_kQSGmctkDovIEPWLUAFNjl6.klQYyKfRxwK1RBXkLb2X_olgcur.TeGC0bcXx0Q.Ik0QO9UHudN_t6jCfecFprT4Tdd6s.vL3TVbOJjHkcToBT99l2pWgXak_KMq3_k8Tjsc8EAuuS7UkalwhTVZ7.ywRaa2okAKmP8rVqpI5rAhsIAfH9ImOjGoP.biMVxZsFxWFTxCbhJwe781q6CXqmZCmPtbzRMmpKvz2KOXgFY72F7N4rrtu6uXhqqerY1PTR_spUHGd6_sB145xo707FmQb9_tisoM6t_e6VZaPaz3g_bJhd1mAqJx.ycAyTFDprQ11fAx1FCNY_lOrGFpEu9bwAFdNEANG88vwsDPf3oHBxriQZyZJsRhIt40GRgI4hAAQV5nZSNJ9U3nsn8_MHKJPlVYBypUOUnAoko_GHV_fqDT8KX.T9J5cfkAK3kg0IL1pR5KrSlffFQ1Vk.tkYwC9Z8WdVCj.tk0AfFH9OO06LM1CxTl8xjGfapSfpcvvSgBWzxG2P3TF5iPlCFO.bCEKUuzZMxFsmonRR656GAywHMJ8KwwysHIusZ2JL9tza3.k0KmUO0dbuPTH8Osp3tx1HcyhryG5t9WgYj1ypOvVdajvDjBUSWkLbtHXdpLBxNh1vTwYVDwEHPlbA5Bi0wIpSWZ3eQxHrtCzC4_2t1dLD4idDTfjg06HLhh.vJLORDz2vifeMdfP_9k43d1R1vbfSsFfKTtduOh6C3dhS.9yCQ7YDc6iTuzaW1oRGNuMEqfsx7nzWvRSZJjY5.9WduZat14G9IqY_N67blQwyaThAzwPtAw0sxh0EpHgSY7ncPIh3mqdNzIlh20ZmaOcXiBFZZFVSzY6PZAx9PMudGL70c.Sp2ZUfv6LlS73X9N9nbUpHSkisBpHDAfgGuotGYZUikIqrYWPFkTAdadmfX8fq1.NUJ792Af_IRRBk.pTQwA6V9RietJD1HBmGwHUQ67aVfbuwKS0qRPOQdF_M5.kYuTPHv8GJ7IAc0ADWjowppmQvRZ2D.awUatMRjI5O7h8kAh6GtwwVsaoGSDMgO0YUySYkasrPiTPXA8rQeHBt12qMlnsVX92jDxKr56xqK5BwmlnGrB1Vb6ZiMwHUTgWm9XqushrnETGjJX3LZ0RDqsVbMOVY6ByNjlQi_tEuzzBdUHrCRvOogyR4tV7NhwhoqUPSOLw3LVBE5cbghP7mZUnLlyyMmFucHMI37VK0sZCAWnG1tJ02r_RGN815A2Ve3Nm7ki_uhidqWp3X7XeMjgbiO71upj92dDgQjsJfRRjyuoM_B1M3IURfWIKY.6zyE7jw4UNc4bJcUPQ44U11Tgsg5FK5BqJQlb_7TPD0ufinCMJ6LX1S0ZUSedpSPX4iQbmdufNgZcmOmlZzyjS3LjSoM3OTDBVSQHLfOgULC06q2ybQ9f7zKcI01Ylynw8Jx9wpXXohcGVtkSbo6Ta1eUS_kGguV013dCjzOcdnRPGsz9Y5NdNInCpmoWktalIGTIhY8293ScDmNb4mTEVkP.V2wChyrB6uhB84HQDG3ASj4kVWxuABPqtd9ckBB4ZVbo8SnR6aXk_NjiQlQmf5GXqab0f8JAyfojet.qnukqM7nricaiW8qUwpAvJD8nTWzQAcMIZroNz3LC3DyUybE4WrILphOEEllF4pov52TjSDHZUTOA4_NPwqtplRC.7wwS1VO36W6FYxAaCxuyfN5vt8fVDQjzpE.9aFHftmiyYUf_ZecE35IQedWBVjEFhuNNYrjZfL1xyHmRb_Y70mTMWKx8mg6XuvtljwMJ3FIVp2zXAEO1a45nyPyLFEoz_2naJHKB4pUhFeHZVDOq6gijS.A7DW8WsTXh.ifQS7F5RAimxv_Yv1l1TIPcpPOHVV4f2viYHVbHuI5Z7u576zIMD_s3Jb0IhUXRgFxcbHmnOWwaGZhv9IPOKLlvhaORkQ3_BZEj66xN24PiDWPTOw9m790Aa3lcz245w.XWakkO9aV.v2qp1eNyQj7yolpLEvxMY81..119ppWsDhYsqYxnVYGHckRIbYZxsUt3luSUx_qyGf7LdrAqxuMuLtaQGqE9G2suf1068R",mdrd: "6clXedcwb._Nv5E9gpYSFVRCe157V4FTrfx_C0Lbsfo-1739312057-1.2.1.1-acI6gcimkaNweIXEiLqm71iVUjy2U2YGlJ78HGzoS31aSZq5zunVm_JlinmYbg_3aZy4KWly9WMsuqaLEo24rdXYoK2gZiXqvqQlpG7N4FeWQjgwwfZTdGpjtsGIk9O8jh5Tfi8GhtwAmsNk1FwRd6w6l5JEKENAEnwiENNMD0KW7jHRSsW5xJdsRG4sXUVrggDD6j73VpWj8MTKMNMBkczIH2OtMPE87nQwKp_UuuhAIYWhYx0GgPUSLcmPbiPRaoEEGa7bQoZp8AkMnlLK_7RcyOmzsf9JstvN6T_Dx4h8eu38JrrAidBC3oTOLiMNG5OLQ4Q2ubrk5LjnwDbmGUDaEcxU2yMLnY8rjQ6DiRH5jfjY8bB1LKSQ4WE.c2VBCNEbIMRK2dO0Y.WcRs.GOH31pQXmSqcVfbV1a66kJHC5pMbXPOToBqHtN5u93vmz8URO6_WGKJWVKBvY5GbXE75XkMnzWW9mIxwOTq563USI.ONkBOHQfbxif3nK1z70_OXFAhHknUlAKS36qW.0rkFLIMOdYvHhfgPB6y9wvVNKHljfV_G4FZGKs3s1AGuDLlYWeAZqWweVrqd3U7OocA5EWFy.vDNW3ACFfXsrmSbxGxqNct9FDiaSugTolMhZBpaHlDiG3TDag1La5W_.neZ0JhF.FILhp.hTLVblUfY1BFx82r2N88cGC0Fc9zsoTJdHPkk.oQzP9U5z8EVxUKZ6.Fs4H1jCz78K6BezenBVYMD7mg8AQo7PiJMZLGJVb2B7540UqCA3Et4yqVfpEmKBFPCXHZTzy8obJ0HT1GdaLwp_v02MathBigKx.jeq86ozVfraRdMg0cY30PaJoWfaFnqAUD.iq4J.l3qF2A_ZoyRNNqAwCginhjJNNbrfvSHkRBtCc6Hq6xJ6uHWpIwGvaeBbuuq25zrM_QmVsp_RHiijtIEm9gpqSvW_EPMA5E15tLJ9ujT03jCsJ8wR2np7NDS78NF9F5kz1jArIiSJNXQ7dysHt48hXRfNAH8qklU11Oz2yZUn.YX.cRVedqMYSbPyhR.MsDw2WpYm8GPF5DUiyZCgDt5XlL2F2XRVMt.0g4evF637l3TC828TfAGkHAZmbe4ZDmn3TrKK9ePyLeezyCJj_WNkqSM6X2uxVCe_VLcbRZSnGu0O9PqU_6wCB6NwQsoOs2ZEMSVi_DFA1rvHVIlz1PBGuMy4gSSh.NGZvzw9AcM1bOomJRzZj2JKZDsxKlEx9kpjiHSHPs6JXzeB4AfpWno4VDlybYvox5A9mn_SE0Tv.lxtt6lMRot.GAd5gremgTY8gbzOn1Wz27zlDEIV5rqirQzU7sAhDZF7TxH5LBFTBN4TX4_vgIO4W48.ZDbhKJSz9gL3pCyrkgiTmLUSR9.4tnCy_P2vqmT23jPfo816dzyczpktA3QUDSuENth9WIPuqctLGBaeq6Ac3gBXMetBhudzAWlIT_wIP2teEK9VP77TeikOvsBUkHkcRkJvbH4dxOwLX2GWswNJNinMgaDzEejYAUScrH4hRqT_QdnqmAYHdhgBi.1ROM19AzaV6wr.EjFAJryz7BQFcon8MTAu6PSpRHA1sjtVJhX335KxOHeOlHeoKf62Zb53gc7vLJbZhN8tH82cTwbuo28JYeD4Qh8AfoaMNV1XFJQMBcustyXclgEyDXxEnMERpbFD0_u_u2LSnIhmA9THWX1lpUqb3SIbcnxBxBWcLp_x6lGA1m5NDtiGxKNAdxv7aXsmjVJjW_ufZQswgQT_75wvJeU8PUj0W.zlrTqiqXPzUundSaMe9I2QDg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b0e91abd064c';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\/5861023749?__cf_chl_rt_tk=2lSRcpgMSMEe5Y0u.OhujMqv5IT4qFI_jqHulSO7Onc-1739312057-1.0.1.1-PBZdC4jHOovXqw6evvWR0EGT1.mUtLna3qg_zFtvoPM" + 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
