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-851468026811.mit-edu.top",cType: 'managed',cRay: '90f3b3274bf88272',cH: '_gyeCJis.y61emp9nNxCf9EZ5CZteYMRx8.5gT4FEVE-1739102434-1.2.1.1-NO6slzemMKnTZZWx_Q1fxyau135ASo54UbOaeM_R1AgF5b_j8T4dTfMmQCJobJoy',cUPMDTk: "\/post\/3851240976?__cf_chl_tk=m9mHuD2PnIitjqQUmXwMSTAchFWjgPKxHG4NwKDO0go-1739102434-1.0.1.1-9LgRRU70jxX5U99emOkGNxHVk86_43oNclxcIseglu4",cFPWv: 'g',cITimeS: '1739102434',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3851240976?__cf_chl_f_tk=m9mHuD2PnIitjqQUmXwMSTAchFWjgPKxHG4NwKDO0go-1739102434-1.0.1.1-9LgRRU70jxX5U99emOkGNxHVk86_43oNclxcIseglu4",md: "I9Z8zmQz6er304GvnpkiRKa1rWZI_RduB5bcM7tiUKw-1739102434-1.2.1.1-6TOsDTBNPmZXWL.CFDCeHmqmkebSsuYumpz2E3948Dmme2oMlcz0LfplONnWJfvAbS8hzE_j.MIdQm60ZPD58qFBazQyCF11I34pFOeInms4lbiUn3eMXS6rkSztKIDh_kpX.iyS3kdkqJHVvXcd1KN_6Mo5WkSmE9c63sY0X8yOZuJPeZcNT4PTMFYQR_q4IC95eZyZtawcuOw3xLbxhLE1QwmpIgSeIaGh5UjWjbC5Bcv1jxmmIQqkzqTO_WwHF3vZM4JWXHR6Qiu8rYE84GuQogjj1ngYYOfC5Jlkc7GGNsplAlqHBtqnjp7zjTG8ntD1i6DG8CUoFOQDsp26KlvlkydkVauoYanQjqboxmziL7zM5cwFcXhMvW0lbBpuVTcSREGdGRugiOyKLoHeyxrzkTOdIYOLWrGUsC7Y4BOg3ek5yxQZFX.QGEpalfO9zPQLRn_IVA8EJIK1kxf0IwwUDOWpDXh4f57f0yqJhUp_mv.YCmawU4pFgCHo8THzcX_7PUbHTpU_SGRUmA5Wc3_X0JC2eNAdZXxaEDXHWPu_oNs5cMsLdsi93Og3n2bIYQgTt_7_mdV21OlWItImzXUWyn339a6Pcb.TbY6iHNQgVe_EmVVCe5VfhHyB60b9iZfzLqbFpq9mgHo5gnJduwI8mJhf1DEMeWfB8nTXdJ9BLpVAEbymchOMu6WENyIIUSf8p0U4.w6cNVGqm8mu4OyIgJv8Tm7KfRZREn1X4JeRm92p5DnfSHuk3f5tJp72E9WECI2jBaldyoeJjjJduLHakhcqkU1gYYRKdS3uC74fiul.qHQ6iI3V9CrP11BguRWN7gQ1BUvW06W56MtBXSt68EG_P4yD7zZ9QdpzBX66hGec0GWuvjZNBzFFIH0Rywpt.zjOLUwI7S.S8LWrRowausIhta22mmtooRep2YzfNrmszh74.q6p1Em8FJzIjQaXz5CltLf89ni2nPmBP2vr5VZDmtupRZT3mtgDoUtV.Vq7NWEOYRAP8HQ63mcEuLtCmvMFvkMR3dkCch.EivGlrzboLYjuVa9Ryu6X1RrhS_KyX3HLbWCu_84IsvM_1uneYR1B139hF7f5.Dj9kQOhg.XA03YgPkcBx_EDfOiTpRwUa6J2EmKA2N6wOzNVtttelNA6_palFwQgvuGQy0mSIUh_Z9U2yXIrs6MfDnPd671NPnQBfZNZotZcYRVhHjKr7JM9F36D22QkHDcuij1Me7eMESLCQCT_cyvjHwPucpWSp6Soqi7ippHhnldiZbA5t1fW_7sji4hpZ80CjPE8myp3P_4EVsPcpNrZcYM8mftUjhMiAgKbBzbQB.qCg.Fol6fyA8VX_T6oS9AzBeZZDzZ_M3dQ8HC.ewdqWtquOX6Usfmy9CDWPnNtH9kruJEPSIxR13YMqBGItKNqCj0U8SinmB.3o0dolrGV211ANxT1zQFqsKYfLHNtwd144ycby45ZQmVl_eB4t.7QtlimWUqelbJND9WYnSD8Kh.iCz5CM8lxxenryLORldbxlaBvLWBDQIDPv3H.qNuPjiBfhFhkvLxr6sjdnu8gFv9toq2dP_L0QtPjkWQKsJXBhFDuRnyKbYy_Q5KCFkhiiD1wXsYsKeTNe_ZlUN5eKZxfHENztRTTKERxFYKD9GkknDnbhA3PqYJY38viaQVd.ga26EIlKxrnBfQQgsYtnT00KBkb7OtkdFTsNRFSKY7X9fArexi2SRXMx55Sj7._Kywa8mo5VmL9keY276rCgpPQauMuWJO.vrLflIzMvBjKqibN0q_H2wwYO8Wnmy6BxvQZzOIblMlWKW0KcYv7wGqYQE9PDlv8naH0mW0Z53hEahL8GBt9jisXRFoF66VAz8fhn3pv32C5YbLN7D.yjKdqY8.2R.j6XxBSk8Dpju9gHdRxwDwq9sBTfJMepGgE82fsAheArXPJeB6sRa_P8l5x2BnZjuT8ui6WtZ7fk9ufW4Tpvm8nBP.yJDsOs0cboFT83ywhcMwTThaCThc83WjP.cA5lBHaSh6kgyBLEjdX1qhNC8MKCrpa1UaKuxNIsNEwQNxxj1TOnmQz9Tk6kNTo3WuWWojivvhO3CBYB600r7.XW5DkeX8hPPa6EmMwI4P0ZbCe7HHhajv5qnZOvf.Rn1B4roloDra7JRkQ8s7mDixti4UOfy4G_1JqQ_pGZO9omdr_Q0HYSeApaov4Ip1F5ArslhuCLQeO8hrXXUFk",mdrd: "JM1zRIcEE08LhF.t5XH9.OpsOWGHzJ92Onn26YCdE7s-1739102434-1.2.1.1-AMwUm72Fbg6eCFfA3naKyZKe_ZQ.jMXM5f6EOlJisUEY8CjmbKOTcdcsBml7rpq47yEfXulD6ebPc2HyLopooaZzo96bDnCx.VfDACiXNlxYNRaqKe04cv2ISqktSLxYoEFDKZ3r4xlnTt2bZBc6cdoSomdwzh4iXLKkOZPDKSt4yXEvAMYve5DBm5osyO2A7XWJ5_qqObGYHObX7tlYvfbSOi8bWicrmDuo1j3DU9JGAAsvUYmQcPMbGRiFjQle3XKtEpvpa77uIQqfMsd1OcwXAdBwyohzixDXsvcYevpYpDyHtQyirbPtCtkP_L0xxzcPPsOrUnLSM3JhxEscmVS1M4aQe7XBz1gkGct1fMBMk4wosWD9wefFDuKvlp5q4nOydqNMDD6MPOhgBfbhxd4OBe7X45Ugb3v201bhFh2TY5Hcpk2vQCLyvJ4YUsIAm8I2d47vt1HR0PXX3OsRvKFdw6nYtBzcw2meu92eseL.bMeQLQQdwcs2_IFXCZqEnI1Y_GRRwTetFx7xpyn0JiTKLTjV3TB3P9EZGAxB2BwstdmiCBsWq_qsrwbSw1YUcXKhDebpUD8rKbMvdLonv5tlVF9XyOTrBEhAkAyOvN6MHNpMeHfBnKddp6BGDiBMZZERqHi7XebKBWsN.4Aj1qKnf1K2K7LDnwH3kjtNuWuF647kxiYQNNIhxss74DcEj2ffhj4XSLIvNw01O9QOAl9WyKNZGsU6ghA1Ke6qZkcvogBsF5418Il_73MIdutLb.lgjIRYH7TIMRZ09XKhiz4OuR46rowUUCzCQKjlSWgLglkmb5s2GjPActMZ_YDN_m_sQo6XZTludG1DsG_za6flifkLvvWBo5pvV77zmIDbYqk_2D5qLJBQvueoTWdpv92NhArQ3tkoIEerLvufc8hOebo23.zuc3DLfpGSO8sC5F2r8w85jWWKDvkXuhNu0aFkheZYRv8_YtaH6PoWfutvIsy6lkhs8k36qJNuCjQ6mSvS7iskBnUbaxClkyx3_oOpo7LpDwpf8mEfKlGWEhfLeqwn1RVEAWsMyTd_mMLsGMkr63X4Ho5SeZSbBkQcDB_BPinlco5PfWlR989wD_NFPxUfX1xVk_yzmTYsxG4SK4xiREj2ui3Q0ixTMa2lCLrr247KjbyxPmwHJ4ROyYp4329IjZvas4Vp6A_ce41m80oYY1thUfMxGKIcvKM8zkJxmgXSAVcDEntTgT7UUjORQdTZ1XokV5wsesID.p_Xu89tT6JyF8agT7HTNGD2D2NdLN51imzvcEWKqnfv3Z4Mj0aL0Wq9BSJ.23o0Q_C9BhCiqG.44tzV44mb4qy.Fk8wsAe3uWalwiHa5jxWm22TLbWCGkoF43HJPJlfzpU9sB_AgS3gzzt.vGbyWgGZoOkHhfJiO_v3hyuceDTAJACjT5Z4Fk.BGflQT3Dfs.71kTYw_Ec_4ONwtcjl_ehncK9ls5XiKQQk3ggKreC_h3ajpGdAmXZzzphShjd4OLaRyJcO22V69PfnwKuHeXF5Zua5HF6H1ocL3oxW4NZaIXx8m1ll3_9PTIFB5ujbJj41m.J94DeKXuA1a6WQ44xNs98J3weQrbUhnGcPmE7vY5wy9GbjQImMC141XLcq_FaV37dzQiJO3EOOfdA4ALaHVq08iUpAfeWOTCmHUnHaO56TBSQ2cbkPWInc_s9pOit9ZQrpNAQNs0Lhw8N4msCpL0LfIjDdMmX5W6neksWJ1LAIx_oRspiZoVssWHilMirvHs1D.vsWgTp1Mfk187NBHPhyMVTOFv.VYoDWLog7I9YoJpgaOljcEw6VzGhUitY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b3274bf88272';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\/3851240976?__cf_chl_rt_tk=m9mHuD2PnIitjqQUmXwMSTAchFWjgPKxHG4NwKDO0go-1739102434-1.0.1.1-9LgRRU70jxX5U99emOkGNxHVk86_43oNclxcIseglu4" + 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