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-135969324092.mit-edu.top",cType: 'managed',cRay: '90f83a4a3beb2094',cH: 'qCss4iFPJ5X.STz4VxvJIAdEbjBgvuiHTOfokCUQx5k-1739149912-1.2.1.1-xW4v8kqa0EGohY14eVk1B3xPRFt7i3OgYdXXK9kgF90_UN__vve4aqDnwKSn2fi_',cUPMDTk: "\/post\/5021368974?__cf_chl_tk=h6fj8ITUL54qmfN9uSdZbkq1FVFPGlMjnZMPFHA0Swo-1739149912-1.0.1.1-aZpDua7gvUnGq5O3cYveQxNZTQxxCGxSuy6fnN1jJqI",cFPWv: 'g',cITimeS: '1739149912',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5021368974?__cf_chl_f_tk=h6fj8ITUL54qmfN9uSdZbkq1FVFPGlMjnZMPFHA0Swo-1739149912-1.0.1.1-aZpDua7gvUnGq5O3cYveQxNZTQxxCGxSuy6fnN1jJqI",md: "iDAMb0ZSzh7Q9ayrAbwPXExZUXvRiKhU6vnZK6a4po4-1739149912-1.2.1.1-PakCIpm1PYprxcK9HqIV97DjaErdG93aYuiMLFujSIdLnFaBGmuv5Q1SBL5hhtxz3tGF0S9c_Trdy6e9Q.M8muwsOTLNCOjDq_dA1JvBjWVIAkdxhD2LYgqmR6_wmpKKgqgYEgDPDmA_BfIyAYLl3SHze_UMWXEVLu0nULBJwtvZEz_JL809v1iR9dr53qE06vl89RRp2U5MOGtROBaYJegEf8R2XhUHVWaSxPp0BmIev_AGkvKNiNAsxUMe3qfolkJ.cvtMHFlj.hjuM9FgG.QcgF.tg8rLQIuTxl6Te_Bp8fkKJpEd7FSh38r5NynR1XD75Okud2ZkHc4aC4qHtYpsfhU6cx_w.AgNfpp24MD.YPBPRHEPIzbRXkUCII9OQYwj9IwheCtbyfjPGOYfezAdHTbVRf2xrQaUeA4Fr8dW4roUCUc7BHXVXL227I6IC07OYnCYbn.m0X0CmjIgtEReh1bcHCm5iYj94GhZXDe60YbB3XF1O8k44eE0fsyfFOmIGm_Jgk2Kf8dASuiqiGv57W1vGzuBq3RU5lUOFITMrjqdanfBGGXpsNknft2OAfmj3ZHciGLWnOieHZVShVLNTWwks1.AfNuv5t4H8jVCiKFBHFw3Pcz4AnvbKHdUG0TGBdOzBRlbQZswkmpz_BMDhEnDQ7KHy3H0IwJbPrcit_HwP4LDrhrvwYWbSQqx2IzHdHAEwqK4bboQamqdo.WCXmoG_YDMMA6ISD8YcwLWkERD8BsamNQuaWGKfyaD4CTHBtHhbxtChzUKSUNlfrV0gJO5SnuIm.hWKalUgarJXW19UVJ8slrMU7Dg6ZRW733v4nw0hCcBnoC0i.OiTvtM_3UWVggRzw997DBSgTEirt4U.3XD8RoA6dLm2rjm66A8afmymdbild1KJ1PCe2kt5mM8X4up5ybznnBlRNN5E9u_IMfXOyeS3ns_92JPPro6qYn9aCKZfThenS3L9S.nrytoqr71jmlyhuOTLHNoEZ9wYMKlsdn7Mn.Y2pZMfeERBw8SMC1PTc57f5soV0qRPRRby5aGZlLQDaFzKw32XB7pKYc3620X_kTG8atedj5ob.XJB8MqmoTar7pyer8Xa_ulha8faIBhmkcZxo9Ow_sGtZ0.xfIad7w38igR84N3e05C3w5_LMpPbg2OBZ3dDjLHDTojtn8ZOwciPeWqlB1bRF9uCPE2mc4OEtDeWtZBq7.iL8RCDUXItduMVualVwZm0R6Kk9V_r5sy3PXlSANjb11C_evF6UOZV7psWlU3fetkBOYfWzdLHlgtGgyuqMfWyME938HvVhEuN2dyQqePsNMetkp5GWpqxCjArY1NWIy5ZmC8C1RQJHV6twYxems86noK7swZ_EzxBPnW4N1QzlRrhP5.9vz_EEF9UqUUxe2N22Eh3RZUwvfclnHCpri88iTZlnLgQ1iWUE38bC3EqiMccaeX7CMEB1XSEAz3LrZCYmoqC3wq.jlAPXDMNJabG3LvOxQtyK_oWjFYExvYufxLxekEAA53RXK99vhd8U3CWMLhi9tJijCTV84Dje.NBtdXOhs58dEfW1omMc8nZGIrYg2IfqmGtNAJO.CPby9H7EaYd8xDxa7f9l1v3uoy1aK6oSDDoRpJVe_Gm6oAWy3healYf_YOCaMYRfWby1q9_L0jFb6kI5OhtBTIKztY1I9mQ6njCMBFvR2WKik91GSmqPsBXTU47QmtBD4.mzJVECyQH4p95AjIq1HirIQ9vcHynzhTggb3F6_sjyyN0Q7700oEO3w.aOfJwb.FnkdqZ9IxtDt_k1v3z7DqJTyawi2IhZ6cYf7LqMhlNhuCpcJEz5hCA9Ylkfhz2Wa.lAwhUOb2KCiMp0SU.vxxovcclMBDzgV.l3cO2ikdoizaACH6mXBePYL5y9LttpyztCcwTbXYpuDHaNMfnWwNDc.zRr1IfDrVT3he2hXCsn1hcHAVL1WPDab6_pmjxFgP3YF8TvMb9t4HW_k1hVjWOdcV8QoO3t_UtjADxQMnwVXcxhexrHoMGzStDxoQl16q5xJxeB2lZrc_XbYpKxaQbhBLbZ6ULfnNUzSrEByEpaTCzzOq_8XsgRB94BJHX1bC.yJ2i4NWCBeIXVglAjfO6rR3CxtUL5DLrUIKBF60jLZVJnP5AvPccbl7BHlVATRzkGxoZeDg89TIs5O5qwrJKPj9efLIwbNwwYDL5ns96W0XyEPFeMB6mTySUu7a",mdrd: "lsF82gLEcShcc.WTDJDhZMRtEJy9ftWF0Ew6R0LWhtg-1739149912-1.2.1.1-Adfiap1h7jgNQdCnBbbs_MKKMqKCORe4SkoE6DhgJwNyOnVw9gYT9SkAO684GM56SN6aicgri6YtgQjSeYHdw1n_oj3zd86yt6.p9j_0qxGU9F2.wIxEPtB2lsSLzzw70et2jBXv3WamXZs9.R3a1WE2bAsvKE73YyT_dEAmtQQZxT8VDZdlr01O8BcLbAD_SiWJsTR.k9eNuLgerjWaBEZkSdMZzqPTJkpcZT8vhCIzs8wBb3v31I5kuf8yNlBaTfaDw21WcsItZUA0xiahIWgA5Ur.yBkH7ZP9_BcbVTl597T3LsA66d5dZJAGUIC6zwAX0xoygVP6ZWCDA4dXf8Eupy0nsQW9CsKzmU1Orov.Kxfkn48zDEjLJEmlXHXOZ1u0SvBlaN6To_bmKT7ikvvgfAipGlZek3B7gm6iZn5Cu9VWkZYIEkEuf0oORGLbmEeR4nazHQRR0OiGN3EzxVR_BEZjpgCIu0GFzdd3eFvVEiBfqV4DAeiJzaDjDNA8Q9CFADaxC1DQHD.iXSuCQMS4V2IULkeLHuXtVotkmD81fBIy.btKhTQkgjBzgOkkEilcDnpxDwOiXgvpTNWCCufQnKd2rmnGz6XjWvkwOn4ApehtcrkMsl.cCR8IAjYpO4E169TnYnX30yMLfRrkicTUltd_DRBQRmPgJW01pWROpqs0vcILnRIPFtyQztth5O0eeSjUXSQuynvQqjDuDit9br2tChKm4WATK6xJqjZHJsjAY41xZuzGPeOZvFK1DDxDsO_ybBc3N9MQUtyWg49Vus3u_zeH.foIcf.DGEot8Y0jOYiCTMhEklkDHHCJVV2xby0H6gCyfJOH.YLH0ohD2PawyESsujZDslO4FDafHkgKApJuWKbX8.sgmpfOJ91Q8n8m0tRfvNQe95NEhJn8X0x6qHFacHfZNApsusngFADIMQZdkKtYiJvebXyuFT.aM8rgjuWk9JGen1oeM3WoO1Frg28OzmI2FSI1KvLnUWiTKwl_uRUNKdBbqDnGOIEB8kbI15Hw4k7UgKbPnFBj8xLotGslZkAz0sx2yjdtJPg0c8LH8O4mv9.ionL0SXpzwuIOVwA6Xa3wMSAHwcRXjDO_SaTSULtni_UKzMXXKumkqMV89kY1Esi3vFB0seA5rwJsDGxTwRFdNU1cukPI5cZ8I5RagbfBCnJbpPvkc6PRJdRpki3jEllEjU27YAirhZH8LV6wCmAM2X9q3DXk7atVOpPsQjRdV0c.AXRO152IYqb.V50nMo5cdqOZ1G0OC5U4bt9baH9ltrPIhRohlkED_GympJairvhCFaF5h04vFIwNl2to9P9mmm989fuLRLR5tixp4QNvTU_MIHTggNblVmKtVZ9m7o0nfgwrljLy8jjJJcYxxf_bYmvdcbcgRDerlsAl4U_1YTWf2TZ25tVZqykBWGMUnrUfj5NU6gJySsWB_Xv9Qc4BCWZNu1JIXXyAy.wVvztCQF0JYvs7qbSmTXsx6DItTd8bD.9kJYe5b.b0vRUfreJG.EMi_1H4qgGdMfn145H6_TxA5NicVbFeJFU9JDingFBPhR3VvlEFa7Aigdk0SSvygfaMIdvZQ0Ruk2v60H_RHJDm0EutNeaQQrNqhcL4oU0ND.uamyBJSlaYbE86Nb2HXwY05dJg1RUnYU03Oqiq_mCv7rhmVE8E7iilMLe2gpbb._Ib258iih2OKIStm7GQoOgD3qhkWCwtX4mUpE8dulAoMZMTXhKWzJ6_c_HZl_bPOuDdzA0icGXE4nz1LHFQxHT7SnIJc6VZskCOAjAX8SZqCb9bpm0lssNXGENDfnAENHg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83a4a3beb2094';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\/5021368974?__cf_chl_rt_tk=h6fj8ITUL54qmfN9uSdZbkq1FVFPGlMjnZMPFHA0Swo-1739149912-1.0.1.1-aZpDua7gvUnGq5O3cYveQxNZTQxxCGxSuy6fnN1jJqI" + 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