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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-404902648059.mit-edu.top",cType: 'managed',cRay: '90f813fd3ae88191',cH: 'L8VlJtwXA5OHITFbsfXGBs23bRT1cLIhm6WktGjbHCg-1739148343-1.2.1.1-Av8Zvd7VS7ZJsoeRbVjul32VpLKSn0UkdI2Pf675SiZwfEcuSYkRIh1O3i3BXcRM',cUPMDTk: "\/post\/5291360748?__cf_chl_tk=61bu9jMp.nuM7hafpCauY16NCHg3EhB2da6h3p1dQ_I-1739148343-1.0.1.1-xG5AneFd9YgbBvsmCLrhEqfbD7QCgmtnLyn1y_WTZEE",cFPWv: 'g',cITimeS: '1739148343',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5291360748?__cf_chl_f_tk=61bu9jMp.nuM7hafpCauY16NCHg3EhB2da6h3p1dQ_I-1739148343-1.0.1.1-xG5AneFd9YgbBvsmCLrhEqfbD7QCgmtnLyn1y_WTZEE",md: "68BUchFLPecRinxOeK8HTJX93rpN1zjAB_l7gZ_VvpY-1739148343-1.2.1.1-91mOoXozeMJbJSdkQUpIiax54FAhavpHhelNnlXnZqQmg8gM1XMascIA8hKRee4VdpBAFOP_oQF7EoWU4Jr9fNANXXjQv.oAIqRVxQKNAWiNWme9QuE5cftXaDto2tzS3AnhI.a5J64W3jcWfYsfdUd3qATD_DpyzfSIEN2GOQk3YiDUbDc6fG0NnqMwbmG_sWs3YF6fgV6q6u..1wE.wDXRrfYk6pQuB4fwdK51bh7_KG8gjmm0PI_1jtYRqk6XGDxr6dekUfRqZwirOcy.dfbU9bNTg75nL39f1oZpyPS4pWTzhMSqHdZYXQtwO_8oXK1jBIuk0o._YAOKFGFqRjYOEfwksHUaTrzMxBQmx7pZxSxKxrEuzalTLKVHpCNWhxGFDDiaTExQgZSyKWkvc3Z3QPQLFoVY3E0hw9EDgDPid2udlAE4kK_.j7xU5KhaUqG5hr0AIoMUDpn5W5dJI1iPuYfWlVFd9TEYPmaMLX16Y5LMWoLok88GS8XQ.jlKOLNw0zivFUHX23sHT596dU9nWqx.qHJYmK6R6ghcJc2d59x9OqsiWxUugHqhtZKzk3r2vdjnS7pjwkrqGy2_ISn2vqoebwbyNnpbHbmi051DABCzYJZRIRmLxvh8ohamgSw7L5yRRQuTvhcPo8lalS_fN1gb7mMvLrXqivCWmKmHY1Owqpq.4VNIqfFu2IWOqlt7HKwArZLGfIeQcR_yA3UJ4kmI2EYVyky38sgdvG6mV0VLfimx9F1S98k1oLsRrtWZPej0rWiATBXoiczeeLWUYtlsV7m31Hduu_shB4.3izensqufAg3pc5IURwHRduToqJUCWh9cIV6ZkACQPpry78SQBYkP_noawcLP7bKMv28tmep3BuwdwN4BzOdnwHc8taiYj5kCrCtnXGUqs63ZZNvLaJVbhO8cdRAAM.e43fwsC.Ol4fBkaXag4mWFPFxWB6S4pw0T2UTXa4G.jwDw2b0a8jtQDAoun5EBKZczZrsiUwt_whKDvh.5MkkqJQf0VWiv3.g9O8mlbZ4Evp4s7U8KV3IT1Hij26rMR.BsEEZ30iHRRIxV.cnTVILVAuFtPMTHrp2T72bvtLJa7zHklXpaieas_1po_OFhNKEbN6s2TSWuolOJvZgRKhikjDmAGQVkekcyVC.U7A_l1XrD6MzMMQY.XCFfUQxD1HrcQ98lgfXvNnTvXSg3HYdj2DdW9diOawwv7nD3K2oE9BUYEoFIkopCuNdJmDBa_z6gke9TmjN.GUjQqxK1ZxfDbF4_myl2MuHEDjdb8OURztu0dSTpKYm4daF4yO7FWtaM_XiDRvUnDVfdpg_nmbqD6EDwOXJcy85Bao6rDOQQGdJxTabOYLNlB1zkB_GtaXVsoV0TRsLj8hT_pmZ_Xf.itRB7z8YB32A_4FHGWmcuKHFCKYo3xC.Pf9uAwLeyKWTwn8Pu1O9T8knjuvcivAWZekHpHafn0T4_d8zPLHjLusH8bqwHJ65DRmI6o17ZQOkw8XGHhnYoQuAushL2nA9YPjpKrd9om.lB.8rde6pv020KuBjLd6pRPDtQfbGPyhUa5NGFBYQ8CzLtP5TLtEU9gbPDyF8Y4zu1vE5V4a24Q.mEEE1db0dY3B58CYjTmcTBsdGXKhzLzCCgssULJIlKWHQv69GI54t2SUi.GAhmRR_jEJ_ZyYZaqkZ935OlGKNTOtAOjRRcPmeRnsnHm5HiWBHyAj4XlROD_pbjeN5IcsNMqE0XcCzT9u4wjhuFKF_.wS4eJK38aN1841NQjfQrKamL9oi0u7Wkc.00PyybdiutodKyu3m6gpdg4wgG9xMMyBkecyDgN7PI1Zdd6oV3qiP0UPzId2RORSJ7ZOI.LAK8WdKj5uJON3rZ0bp9XRZUysw1QUrZzJir5EZEwZ28EvD9NYKRbdMNcNVcJJTwk08nL1BuMD9UZxXSrF65k2qPZkXAjCbipE3x7VhVgrYU2koYQsYlbJT3c1OTtgNgJNFp9.i0M_wFS307bqbVLiJ_gpLm35TNg7T_SOFuo8k16p8hat.qJSkF8n5XwwOAgBXPhzbJqmYaI1hA9qmPsxFww8ZkcmFYzOBw6Frt567YvueXwwpyY4cpYxl_yT4KIJL.QhYjqa.ph2QoREPJncAIfjWTWTif2F5X86O4AN0uQWNrhXnfI0J39THeQSpbEZwb46EhvzjqjKwrllPRebUuDn1.tiX.zyE_Kb55iudY",mdrd: "2RCUblX3UYvz9rQrzMrlkJrso6otM0Rv9QcAHkVkths-1739148343-1.2.1.1-YvaLiV7pyi0f1o6EfjaKW9HyCIdI9fhb1dCgqeNBb0nCahgQpPYwtmDfacFBYcQzaQypteAbBm90Kp_WRZNPdLtB5PbUj9_5ZvN6qP3sKPqVWDl_kfWUu1pe.uqVOIRGz5VVi4wwiqlb0bm2_NLAMMIm3GrCp_gzu0hoEIwnIIav_UiMt50OPHwFBRCoXR_gWQK.ruAhz8uMIbx.JUlKifp2MYYsryPsSs4njF_I3W4vWVkQ9zQznPYUDhA0lHBTLNwDyZR0T6JEUOYw_tie39A6DW4Uzl6h0ol2GSxgy1b69zvCD5L3Pt21LUd_6Wf7iLfoFE8mjCmd5TMoXBy.L_e8oqZPZUQSU0geP0hj.JnUi817O5k5CLbxOEDU0ZDbiOtkURbu5qPFxCD4XLAkPYRYPb8hJFFxyDJJzZ19fHZk7kTqJMz8ygCJbgk6Bhmu7G2RXMU3wVLolIIFh1FuFoepZDcVhLMi_l_S2F3K.Ao6KGj9Kz0eLmYDIuQjxr0a8HTGZGYo5TXRQkKx7Pye33BIhE42ZZGzfb.bRnIBpDXbh9HY.feccBSi0tRbFDe66.eo6NZpufy4BOLHiHxntQzM1vq0aAS9_ZI8.eXLrUMhkBTzHnGdUUZv1wFf04RRiU_odNE1KlDVL7vTazkyW_twzfxClYPf6ZwcXGkop46_QJlyJkn1PfED1zA0DT1mcaT7OkdhdWs8PES5H39WXNi5Kwpu6HC4vR_.Fes1vv8Y0F_1FFRdnt_3dBPzNAIkgRT_BFUY.zlrKTm4lvy2uy9bBIVzck4Ncp.iMjgzk1udMS2_6bTPpuq9uTpcc37YXUPIBZ4nEmyoAmt6Y5y49qwW0hrbGxTcRjg1FEZbkIwigAbggZU4elZqCUQfhonXiZ4e6jRrvhMetXo8Tn3NMOzMpv59qvUggWDIEV_UCF_1VwJcMmFHxfWZV97Kt1fgS7QRK1jORY3MFppjpvssOgrdrkpIXHZuVYsg.Vbko7Vg9gDzaYQgNUbrHWq1htD8WIXM09sBR4hgLHllKzxA6C0Uycf9O6Ltb3Ou.NIIxRdSmeqynUDIVY.kEluxFseOBBSIlHWH2U7BwXYIa4VzWunYtfT5.qZyvN_72qzQlnoqaq85gXwaJNi12MTvZltveLBldHTCnXVy1VlaGOvdfNMt8l0Wgdxaagt0RWMcpnp.Ut.Lsi9NRcvJgcfWLJv9iorxx3W_XNc3288SQsRt0ze1GhqnM5A2EL5ajAaUtLDjHZCPH0iis7HPldOouRf37lwTfRXIGR0Cc9WrnEUYrlr_BWgFnIhHIrOIaxFO6mNYl2OGzQDSiqxyYdDprtwLs0jlEcCaP7_FWYL7i4BLhKfqXFVQ9aV7Ly3yorHOkQX55ttSabfIIH__7sZgQec.5Iymo2L_2.O9wLQVWYrPkqD2IKszNBO7PZHB5JP9xr47e2IrcE06zJOf6kYIIdhZ_CWy0OVioaQStX76QEuUK7TnlaXG5EK39tsxb3nC5InI_tNKINr0ZJ6N6hSM4dVdq4BQnCA5uLDr8PJ17NxJOBQeVLiZgZQyuG2e.gfH8xO9qXNQMB9Cks07NIh_Ni6cb8tOW82_hHlR7w0mQ3vKYtovBQMhxFZAOH5SXiLHIbwyoQhquLRPt.u.SDvEfJNGmfy1Eb6SW5Z2BFodnJOPvaz1HhYOdLT3RhJex1zvOG3gY5wXWsFpVU42oxlFtURjzQGtRsAIAmvS1pw7uiKdrEiBmWPzmPaFq1Mffh5zDWw.C29rY8.G6nxGVZ3m7nBIco._Is9_k6osdGWcSSNGDg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f813fd3ae88191';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\/5291360748?__cf_chl_rt_tk=61bu9jMp.nuM7hafpCauY16NCHg3EhB2da6h3p1dQ_I-1739148343-1.0.1.1-xG5AneFd9YgbBvsmCLrhEqfbD7QCgmtnLyn1y_WTZEE" + 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
