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: "shirvf.mit-edu.top",cType: 'managed',cRay: '90f7c06dd860054a',cH: 'MAqhgMH.HCnVUuV1Uht64XIxVSqo9QbaO5HfhIxB8.c-1739144921-1.2.1.1-e6QTSHVIazxKvLchaz6ZbS26CYYGSpTOJwAV.vHGDj_AgTuDrnwnhOWchsWad4RK',cUPMDTk: "\/post\/8627590431?__cf_chl_tk=nB5wOE6WLbYWhwQh_B4nq2af7yYnfDaEjy9TmIVtZ7A-1739144921-1.0.1.1-l2GUsnQqj.RPItnbvboUW92O60NaLqU5chpzaCJwj2Y",cFPWv: 'g',cITimeS: '1739144921',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8627590431?__cf_chl_f_tk=nB5wOE6WLbYWhwQh_B4nq2af7yYnfDaEjy9TmIVtZ7A-1739144921-1.0.1.1-l2GUsnQqj.RPItnbvboUW92O60NaLqU5chpzaCJwj2Y",md: "QN2WST.1BB9sXWXpgogoNdHw0Jj6E0lKb6pcXcweFV4-1739144921-1.2.1.1-THxNokfQH4Tzz86rtynDv0KLB_RsUHnVpnsI2ynrliaj8umx3RMYKupA16LnDI4k1WrrUcV552e5SHCCNoqCEGfavvdWZTKeqllNE6H_hAnb8u4LfDWvY79bREYbtJcUAW36B_MfL4ZaX5kMXsgGvALFZXpgLNmYMq3I36WzN85EaipFKwZ4B7JdjtY9g3tKkVPZj50QX5jhbxdmksMe.gL1vcPF11BEInJ9DNVfef25gOmS67jTCWuXrXgihi6y0YhNqDJJyKJfGYSmasm752Klq_WDoBiSOQa7v_s4KbWBwDLZd3375FZv65x_ub0JScQHDu1k...KPVH0RjWM5BP.ZUJjAsEhYAUG24.356L13CYj.yHF2fhjqMST67eD3LBG79EPS1b_JRZMS3lGNLLHQZ__170OeN1_Rc5EHUInefVdRBnUOwusv00Z__ATUz555oIONgyVBDbiAEJYb.zaYfKhSf65o_mw8F4zRhQBKr3zn9uscKN7Y1WJ58nws7osqaM8Fo_Uv70qCK4zMzO18Uqf5PW7kVuC4IzEOVCklCmEoGLuTbFZD7RziQ_Io6twU08Gn1mAxLEhMEXd7Hpgr3oJtYEgx4k0a5uCUujrsF8D1QKm8XgQguNXfrlAk8NXJYKrDwWIq_.w3JUfYoBixb8A9UxjC6A2tUokGW.9ZHyFaIPSN_ew1HYd2sOtAHZxfa8YsoEyNt4NU_M8382TOKDzTJhezjcJAXb7iU3kZri1Rp1nymPdQ8zsV2lzWn0WnX52YIIW2yyoMzRRtuWdsbVW5c77JjwiST4aW7eBBbSS_baAdLBy51mWgtHG_wwjHxI2yeIFi47iYhSutaKlyUBkAozlSZ87TneSDQurc1Zm2Qd8lYlzRghzuUrQTr10VENDyI9JCfz70Q.tRkBgvdooUuzFCbf7Q2wgcLKhbHir4vCrVrKzjH8YbqmD0Y5LcMdnvytviR6XNhvDkk7gMzp6UeYHOIIQjS0ddQ0jId1zQY6LxF7aL.W_vepp.y7UnrQ2Y56zE5usn1nzbdQWP7aTt3XtB3Xgfb4CTWJ8y10tHAGOoiCbYHLXyVLjBDx6vYvIXGWxCCmEs.Aw9oBqgTAz_K1YQHc8NriB14hjbs3CwGdAgus0qfOms9g2Wo9AZ5H26a4I.G6xWdMnZppiSyfyIBqRFIvJ2WnAjZsbFL5kM9vApXLi1A7NE2xrO3FxoN6M5jhM7pyxmKUYCuSJrFeHmJuCBrsgqsrpXHFflo2UTYUlBWn6V1E6jXm0Q_6GyOQjSHlaITJfaizTvAsgrq01GCyCYR2vY7TObpPMnpHQQy0qtGJVZa_Y8GrytV6.87GwoHgbs6GnzjU7Km2r0xkj3FQHgEtX0NtK3H6SX85pCuGBiYouU91Qov3XgP7ZyH6kPuOhFA8l5_tST8zHYkrbot2hD6ICr5Srr49IuV.QCvzun8pnxLF7eVEx3N0TlpfOFCdpeUSyVcMmKm8qZ_qdg140OQleSAHxeWCjk4fLJ4oWY0T7NeNIm2sU8By4gt5KEf5xRJeHF9Ix5PQe9kCXoab5Ew8spI.mgoNu3Mrqd6TO1RjM9Js5N3EvzD.WFl2dMP3S5eZn1mk6aORA0mnPA.6Mg60YKd6CEgKZO8dSihQilGY2eePgju4jvt13AlNLEseJNfFbWTP8YStmkypztTi7IstK4f1nxphsKTgl92KYxU5TAL6B2f93dlrjXU1PkUqWlNQ5ki2SDyiQHcQ6M9s7lZ4UjbrdPZ88MmGuzFRSprJUCbu9O4cr6SVzDGSGqOhlA42uQPIMaGsmsK9ZivZUuZbj8XDROsyRmSQY9BoRJpcayjp8DOO3q1bLzCf7aKdPX.vFIygncAnxvWj8S7gRWFtoUcfj_diZ1FovbsKU9ZpXiourc8U116rLt8w7n0SSQZjaYKdhp62HE5sMfBaTOPYIFp.2XOQQoKbE6TAY2sSG76bj8gI7wLZZ3ff_KW0c9zvrbWmAkjG9.IsXH0S0KICHBbGfJVczdf6Bnio8ExTEb71mjemSeP7asnIfpm_RdoEEdLx2pYjmxEKGFY4cM1Luf4kvtDEnyowg5VLqeDTMzVkj81obEWabG86Xzb6ssBbicnnUo_VqzsggwaZPCuI_rqEcpW2mWFqhlT2dYLWbH1kR6A3pvBVoRxATUSGCsyqZ5LwgjJ8RK3YshMrtbp4tprXYB1Y",mdrd: "GzNPQswaItGMOqmYYPTU0X.HOLuNzu.9_7aDakf0qQs-1739144921-1.2.1.1-1yul0aRSrDxjA7z9c4_xw2SgI4hgmRDWAQXPMHDnsN.6sKv3E95DcJL2_L8tNdtWUbfVTI82G5Vy2jlkd3VPnB4XszKMMYu_6c2KSK8A29iby1D1lFolHCuRCVVnpscwhN59sgcnFgYehAbyPsSCG4q_KTfxACO5XGwXYKBU_ozxwr2OtoPvxgpfFkrKUaBtg9QiEWgUF1oBH657uxppOZRO_Btv1Btn6BfSxwG0Uy9TE0RodvVyZi4kAEp5E8UacJ8NY0VaStvPWFHNXiKyeilnCOvuJLYBGeUnj40JZPhAUjX8M9OszWaQ8m0QR1e16RR1QOxqmyMHb4o79ipHMMP971fCqR9NglT0.l1KeJuDAXd5g.DsKR0UZ09gRoZITYnlIjtdCMkDX5TerRFvpKngFri5gNz.g78WA4jP.TLVTQDyaW3ScrD_W4PW03uh1909VUHkmXKr9E2OgzbL7cdgWPLUGQekvHERdh6gIM8myfOp.FMEFHcVnanqkaYKttonei_w5zF8f8fBCWo5dLcc.M2t8YMDHQaFpwdUMN0.wSuQujQiLQK59UY0IoKSoo4l_GjTaLYFeZA57Z3kw69zqaroCZ_5WTKB1pP40eD_apV.duIRijiWbAlxA8TtlmbksmIjnEq3R05Qr2i8eEeGG1mLzrlRKGxOIKkqGILSYZbnPXRTg2_oypyz6YtOowSSSpLag_scjKv2R9Dw2vcybpYME9hHX9dYp4rhfCmMFXnXROHBm5645fWmrUzigbnRF_HZ2XOLPBpWK5Jlcs_nqdwuBOeYHexLk_2NrsdYt74TjBe8_6grRPCoCrV2Lem3UMXplfuS9ctOz7bpumViXV.XFpTCGVan33Vp91KTnsepq_bvKjINpGvKe.7aBHOHlLz6vsS0A57bOHFtpquXFosveV8xjGx7FwCQB0YJzD9re0JutkuKEjq83oM3G4xDeTDmf2Wrgav841IpGvrG_3a3FbXStWqsidraqeZOB5qJ4iu3OGlf5n2hn983QMN.8KABgVse0y1b7ybjfC2lgvzJt1YV1Hl6C_uJ.1VQDmQX92wd5a1upqWeCFcIQWEQy4IX6lHcx8osVfTZskazMyH8uXh4gT7rF33VOK9r6i7csyyMPnCON932Kh8BlOSvxaZ2Yqt.6yIq7zZ_jv55tpm87Zr55pWkVjYosuweyo3gj2g9cJJVnr2IYePO3Xd4pLg1VgEbix9qtS3uin._ULk0YKfDModx3eFFaltbIHhEEywRu1MYVpc4.eDNPn5HDKeqSdXCACl2Ije56yrG.3iAQ16lIliAENK1YLwA7r4Ge1UuyyohgVp_hSzIb.bRDurV4lUQCXfrsvoGKkzQX79VSNRYKMAlKqFF0SWysR2SGpKOfoGPQA.aeG7ou.stp_m.KPFwXGhJRx.hpSq5OkwNvDxD6ZGjA13v7yK2t59bDoItfONshzD8oFsY8w3hF_HvL3pva_UWUqmGXNVR6z5TAllCC6KQU_kojZsdhBqRP0QSYF1YPRQTWmLgEtyKRvCJEPtfjknwMW35Lf0TpUcR2Q294YcGVYNjY1mSsD6WQWE4fEeCAhuCalmOmjAWCArcJLKna.AShN6H7cYJZln7lvNneNwbA9Euw.KiSx0Jc0MKa_mTBu29UMeSXu9Bgn9jNa4rU0zcjt7BRQkueXqYPaZ.eNXw.iktRMhGHherzgUb659_c61K7O.oLp0COtUTRSJFzjYFrO1fvSZmq6Wvco30e1ZTKeMcJmTMvDjwhHKeivlN7R2QYHuQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7c06dd860054a';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\/8627590431?__cf_chl_rt_tk=nB5wOE6WLbYWhwQh_B4nq2af7yYnfDaEjy9TmIVtZ7A-1739144921-1.0.1.1-l2GUsnQqj.RPItnbvboUW92O60NaLqU5chpzaCJwj2Y" + 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