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-342743563257.mit-edu.top",cType: 'managed',cRay: '910fe418abb657eb',cH: 'YKWlc14zGzcaXUjRvafPXiM57txG5Pudwt2pFwcDUkc-1739398040-1.2.1.1-_T2Vzx2xUtmVuAWDGIXRIoj9vf8tmedt_xc0tbBMYJ4FY0T6yaMUA74DG99QNPoa',cUPMDTk: "\/post\/5321974068?__cf_chl_tk=J9tKmbUxbNoC_etqepWc37B.Ppjp2P0IFI3zNq4Xk1U-1739398040-1.0.1.1-CABi3.Lwg1tiLKyM_B8XPieQuBgAFC0pNaAyLeSyMzI",cFPWv: 'b',cITimeS: '1739398040',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5321974068?__cf_chl_f_tk=J9tKmbUxbNoC_etqepWc37B.Ppjp2P0IFI3zNq4Xk1U-1739398040-1.0.1.1-CABi3.Lwg1tiLKyM_B8XPieQuBgAFC0pNaAyLeSyMzI",md: "ZSa7vvSXEbzz0H1GOzD.DLHp3knEC9GPzs3Ensa.3XY-1739398040-1.2.1.1-KZdhCHWYMyVh_HjZ3t77sG2vNA.w0GoLmFqRWqCAEekhMvj7J6jxCAJ6ZXc5lgoOAmPA_n_lOrr9FC56KWzKBmlfHbkE_pWOE720tQlWNCiMZxYQizScrzMWP_9KvdKE9XSav19fc.5_TEYSTzQC5aybEL1GPag5nzTuAFU7TYlEIfQNWb7v7mXGtFq4jnbAKY9IOobeupXfTH53oN27zwhdlwoeTbNPVvAuQlkoCqUTFvH_M8UozqPixEPfZGfvPNQe.rnLHtnSkl91HVVNNQtOaMKjzbB8vhcUSYGFDXun.jjJ8jbp8vaIkg8ONIpnCId5x7t_WbxwsgIpHR75cCLnLID6MYs6_GjmPlsbqhuHmUy_I66i2h1AXNeixy5DvfrundaMmZCrmMRfDuVfKfdOA4KaforY.QZpc36a84WeqcQ_ohU0TL0qOCcNg16PXskbjPgjDzdhbP8V.nRpx_6UwUUlhFahHW0udnZc_4uKG6qxPrHILglg6KEyeLVjuBgpql4925pa9cLq.wHnDtD6TreErHPVJ6jG2NpStdsdZ.ia1hOv4rCAyHzyWexL8magEvdk5ZG25NmvC1V46CzmYy3EK8dHyIwknOPtz5NoPgIf6qjabT9gXpT4H234h7tKnIMjY7Nj1.eLPTnUSu5eOAurvZyHHIB1G9v6XG4z12PapAp_3BY0TIJnN9zK0GL8aUR_ucq4QE6QHcoqybklwuAde8PXjIWeyQRZtj6._x.wVWB.t6vpUK7xrVMX.hj2Ga7_OU3cxXaa8EvmdHIBGWsVItjf8tfCdgdT9mv1mOekdJY5hhvke9HUV_SOGx.IyCQVO9a7AKO4BEPqDYjmWFG3aHxcdUC9HEv_7AVIkpzAIem2mxWVFhHRfgewHs9hXuGQMnVCC9VmyBnxVP.a4ILC3ZpIb9rrHIoxtNvrVJUOOthgwH9iLDy0NQotFlJ1reE9CzfNEkWcGXf8XIUCKzkcZjkR1gz4p2WdndKdPa8WZZL1pR33W_gZsqFt0Uvyxcf7t053GToNgFNV59Q1A8zF8iKoXx9uS6fVBtxUnJTp0oLgrXFCZFsiLa5LT4N5bsCsDylnClbZ.Y9XcnKinOZdxOKO3F2efNMCHkjjSopabsuYruaaM54IcyJx8iAiTPWGHYZZPyAYWQ.2wG7Qm7R4O0RSX0sZbRa9bSHrSFQo2Wc.RfXUyhvBN.oEhow4ycjdCOpFzBvfOGA125ubJ8.YIGbYgOvPM2sHqOdpfL03ecfLKHvf2zcR_XoCCeLpsbf3T5OWViEz26D9D98xasLML12we_Ew2MfpVIIo9gDtx65_zDiqmuQAHI6RTkCH2LlVQTAMzzq5ntSQRD.W64rPZ_Hb39eSJc1xDuyUso1FPB6rYnds6l_HsZodX5h8HY05EsLloggIwrNQr3cJp8XzP3LDww9hB39pZpYh04CCetl4RcEfKm4jOIH0CPt4v9VNeGuh_2O.IiMTMTvot1xu1hC_0uWmHzZmiLe7evexvpTNFOpvglSnSQ_Axgx7AadW5LLY4XWfdlUnskEWvM.lBMXpiCXJrFAj_BcntR6.ZrBWtRFVbnuEwFRjhG2BnuS28O_eOlv731iFl48n1CEr4jq7qzd.fbFYkF4yQ1FU9oEHEShw.SiWZD7RX74eLeWhCsPC1E7EFCzZO3VwrTIp9WYgU_0BHbikShFj1dfggDnkSqeVPgTX1LcgfgsgA8L.DFdyU2zbd1IeyU_QJ3fOQI3ti7MOAcPqUqhs3wQc7MGkC8vrUACvwiaA.BRCxjmQRZUFBHL3twf0lrPOr3TkTkT_X0B4c3RKf3DWWs3vUf8SZD2GOCkGwxcm2F8MSVZfJCgSZDMY.aJLn9M1gKssr_bdVWQKzdp4Q5qcuXngkDrTdifCa7bjn.If4Pl6bfJDsEwEhWaeu6h86INKzXNU4ayATbvirFvqEDgByyYmheaA5Qs.lyAvgiYc0A8ySkqELTlCn8DmjdWpvLjq7UsC4gfIz7tVGR3nRgpFnrFl3zJgu0.xqWLBcW4W7a.iAMOtStVql7DCpCo2k9Wlzr7uZw1RcGi3mt5D8YMLDZVU._oNoSqcMZPxoKqYzSZSvtcVXWfy9vTt9R0eD9oM8PRXvSoZz9UzSpGitFasJLoLAWC2xhpTRmKwi8HXaEPQRbcqztuIPxZaF5FhZbVAejfrFAUQPm2zZEJRHl6nn9MNoKC9X7aBf3zmzCeo",mdrd: "KgymLD59JLYnyOF5zpduS4A_17cqifoH_Y5K4vvuC6M-1739398040-1.2.1.1-1cQuUJIKQrC3GeMHCKX4zPv18qq994dTq.EOmqPI2FfVXdPAZUG_YHnO4npBieJtSizKvLBOnjpm.NrozMWNwGu0AMgX5ijPq.VGylIJtCideyCPZ5znwXPYHOyU4rezI5Pz_ibd9HNjzwhDvFI5eMiSC79cMhcjqaSHs7gVsmxr3Q11M8_x8mXWYRm2jWyWPXY5fuzJXCStn6cp80IwWO7S_ztUfGjOi.ix4bUeZFYhvF5MZZxmHH58o5JOE3X2wQqTlDEpuJQDXKUgNNAw.wnVaEnCR8YMfsv.2B3cdKrW089B_PojGA5SlTPfX6AIsy34kRMJo3OYjeJ24nFsMtreHSycpR8GWPie7dW2PcYlJ7UWejCYz0gmp1kef_i.W9F7b9nAd3jEHpKOMnRwoKE7tYrREGsQ0imoACSOEwVgUH9H.NAa_wNL5uE1NKouidG7FoZ9uMzUfeDpXxC7kTliWrIDDwz0w08dJPBkoLUiXKr7STm3EzTApK9jRIGC_uErqlptRE6jddKnt9npdqS3PjbhMML3oOXY0VXoV6_V9KZvFs06Uf1lqyY3VpkVCJKYFVtMd7VsIHZv_us7EGQ9mGR67DogkZjslGS12AAjHU3oVstUWE2E500TPDxCmboMErFGue_xfjv0GgFhZuYdJeSrihPXzRY3fR.Sq_7V1VgzJgN4cgG0vJm8eTTpz8wx7JQ44qBjVci67hqiC4iGutOFGpRGFbk_E4unsAncw.Pg1L6YVG1DJ8RdoYtHXTrVOhMb4weNWBtdOGTxugCw7hujft5P75SphmbJ0tpIH8vl_yE4ijrYJ2og4KBa0VWCFsuXFHQEnhAqrcFTtavvkSuvKCYSztD2KF7YT4GZlCDPOO_emxMiFVpF5yYy84.el8S0ITEo3eZb61hIsMK.lGAkrhrKGAjmn4NP95Ti1udWqFlgw0aAxgtbhccKJM40PWfk_.cSAR1PjhWsqS6lA395.Yg5skkhxHphTLN_KNt28_t.ceQsrzwXAEkPlLNCVPUh5Bj7JyJJoU4iTQ0J2hASDa_zbkpU3bF18T2PITXqE_f0h9aVYUV79.9q39qmF1rB2yVRzLhxcgMzQ_34fqpipI6BEEq2x4MmMZEYAV8KrKwMwrGAB45POLq7MTMc9nh7RDLKSVTlEOq2oaUrmx9FaRAmcBT_OEIpP1w7QU4iuHqjtrNLKP1MJogRL6xuI3lVsc8GGj3wNYq1Tlk9kqh0XnuN2DY2hDOiy4dUFiIJkGV4E2h8rKcuyu21c3t__Gzqd77ZLoUZXuaWG4VhemTd1nyomi1cR0b.ChRnttysaES.DHTveLnnWf_84NuCBIBQaJevjf5p_YZUvxTW1kRnmLdXZ81vipFeDOorJrBzmNYzYReBD6osUHOnJ.5A3V8MWe.2iHtDHB51Y5Zwe2ii0LtEhy0SuNbkeeHa4j3fYB.0vaMhx5fIe16T7XvCn88xt7x._4ETZgjAOnyhGOHBWb8XPFnlAsXNX6b9Vnzh2X3p9pMm.BuHDJ9mwbJmTSiLz9xKzqMxgq_b1jZ1twZRdCHRXSbFM2rrCZEvj6wbi4ng2I7bH5J.Z4gmhsntJMaV3x11HNlDrZgIXkKZehSFqH6y3uf78JW3N9xHR7hfv1dz1Z1GWQBSjZRg1Ydf_tVEjKfSqIkBNGaarB2Fc78AmkBokybAhlQxfr9bN7hbIK_Our.8he2ce_ETWNmDCUQU.vRwrr6pZ4jiFGDQaj92HNO.Twlm9Z0Q7jmdcS4kRz9GIQZ3MjYeEd.cu5isr8FoYwBYxmFyzKWiTPcn.7XkrZVk.WVG.IjBseA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fe418abb657eb';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\/5321974068?__cf_chl_rt_tk=J9tKmbUxbNoC_etqepWc37B.Ppjp2P0IFI3zNq4Xk1U-1739398040-1.0.1.1-CABi3.Lwg1tiLKyM_B8XPieQuBgAFC0pNaAyLeSyMzI" + 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